gistfile1.txt

fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x278 pc=0x408d09]

runtime stack:
runtime.throw(0x4ae15e, 0x2a)
	/home/jrick/src/go/src/runtime/panic.go:1116 +0x72
runtime.sigpanic()
	/home/jrick/src/go/src/runtime/signal_unix.go:679 +0x46a
runtime.unlock(0x5361d8)
	/home/jrick/src/go/src/runtime/lock_sema.go:107 +0x89
runtime.goschedImpl(0xc000335c80)
	/home/jrick/src/go/src/runtime/proc.go:2703 +0xd1
runtime.gopreempt_m(0xc000335c80)
	/home/jrick/src/go/src/runtime/proc.go:2733 +0x34
runtime.newstack()
	/home/jrick/src/go/src/runtime/stack.go:1025 +0x1ae
runtime.morestack()
	/home/jrick/src/go/src/runtime/asm_amd64.s:449 +0x8f

goroutine 1 [chan send]:
main.main()
	/home/jrick/src/spawn/spawn.go:10 +0x53

goroutine 38549 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38423 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e0900, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000386b80, 0x1, 0x1, 0xc000326d80, 0x15, 0xa0d9383100010200, 0xc0003b1880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000386b80, 0x1, 0x1, 0xc000326f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000386b80, 0x1, 0x1, 0xc000326f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0005c69a0, 0xc0005c69a0, 0xc000386b80)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0005c69a0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38561 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e1200, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319860, 0x1, 0x1, 0xc0000bbd80, 0x15, 0xe345ee8100000200, 0xc00041a380)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319860, 0x1, 0x1, 0xc0000bbf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319860, 0x1, 0x1, 0xc0000bbf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000156000, 0xc000156000, 0xc000319860)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000156000, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38344 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001b7d00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318820, 0x1, 0x1, 0xc000282d80, 0x15, 0xc32e67d600010200, 0xc0003ab880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318820, 0x1, 0x1, 0xc000282f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318820, 0x1, 0x1, 0xc000282f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00017ac60, 0xc00017ac60, 0xc000318820)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00017ac60, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38411 [runnable]:
sync.runtime_Semrelease(0x55f454, 0x1, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:66 +0x3e
sync.(*Mutex).unlockSlow(0x55f450, 0xc0000000bc)
	/home/jrick/src/go/src/sync/mutex.go:224 +0xb3
sync.(*Mutex).Unlock(...)
	/home/jrick/src/go/src/sync/mutex.go:190
sync.(*RWMutex).Unlock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:136 +0xa4
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8cf0, 0x1, 0x1, 0xc0005b3d80, 0x15, 0x28fe374100000200, 0xc00040aa80)
	/home/jrick/src/go/src/syscall/exec_unix.go:206 +0x397
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8cf0, 0x1, 0x1, 0xc0005b3f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8cf0, 0x1, 0x1, 0xc0005b3f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000013600, 0xc000013600, 0xc0001d8cf0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000013600, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38322 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0000d8b01, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d88a0, 0x1, 0x1, 0xc0003f2d80, 0x15, 0x223a457000000200, 0xc00013f880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d88a0, 0x1, 0x1, 0xc0003f2f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d88a0, 0x1, 0x1, 0xc0003f2f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0002cf080, 0xc0002cf080, 0xc0001d88a0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0002cf080, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38457 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00017c600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319060, 0x1, 0x1, 0xc000553d80, 0x15, 0xc0fe7cec00010200, 0xc000278700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319060, 0x1, 0x1, 0xc000553f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319060, 0x1, 0x1, 0xc000553f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0000f4c60, 0xc0000f4c60, 0xc000319060)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0000f4c60, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38511 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001cd600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d94d0, 0x1, 0x1, 0xc000290d80, 0x15, 0xd522761d00000200, 0xc000065500)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d94d0, 0x1, 0x1, 0xc000290f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d94d0, 0x1, 0x1, 0xc000290f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001afa20, 0xc0001afa20, 0xc0001d94d0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001afa20, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38564 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e1d00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319930, 0x1, 0x1, 0xc00032ad80, 0x15, 0xca290e8b00000200, 0xc00041b500)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319930, 0x1, 0x1, 0xc00032af18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319930, 0x1, 0x1, 0xc00032af18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000157760, 0xc000157760, 0xc000319930)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000157760, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38529 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc000218000, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0003194e0, 0x1, 0x1, 0xc00032bd80, 0x15, 0x83fbc08100000200, 0xc0003abc00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0003194e0, 0x1, 0x1, 0xc00032bf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0003194e0, 0x1, 0x1, 0xc00032bf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00017b080, 0xc00017b080, 0xc0003194e0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00017b080, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38452 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0005e8f00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318dd0, 0x1, 0x1, 0xc00044fd80, 0x15, 0x51da89f400000200, 0xc00034e380)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318dd0, 0x1, 0x1, 0xc00044ff18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318dd0, 0x1, 0x1, 0xc00044ff18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00015e580, 0xc00015e580, 0xc000318dd0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00015e580, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38311 [runnable]:
sync.runtime_Semrelease(0x55f454, 0x1, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:66 +0x3e
sync.(*Mutex).unlockSlow(0x55f450, 0xc00000008c)
	/home/jrick/src/go/src/sync/mutex.go:224 +0xb3
sync.(*Mutex).Unlock(...)
	/home/jrick/src/go/src/sync/mutex.go:190
sync.(*RWMutex).Unlock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:136 +0xa4
syscall.forkExec(0x4a9a3d, 0xd, 0xc0000108a0, 0x1, 0x1, 0xc0004eed80, 0x15, 0x6112165100000200, 0xc000080700)
	/home/jrick/src/go/src/syscall/exec_unix.go:206 +0x397
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0000108a0, 0x1, 0x1, 0xc0004eef18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0000108a0, 0x1, 0x1, 0xc0004eef18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0003389a0, 0xc0003389a0, 0xc0000108a0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0003389a0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38559 [runnable]:
os.(*File).Close(0xc0002088b0, 0x0, 0x0)
	/home/jrick/src/go/src/os/file_unix.go:233 +0x78
os/exec.(*Cmd).closeDescriptors(0xc000232840, 0xc0003fb640, 0x3, 0x4)
	/home/jrick/src/go/src/os/exec/exec.go:320 +0x5a
os/exec.(*Cmd).Start(0xc000232840, 0xc000232840, 0xc000011280)
	/home/jrick/src/go/src/os/exec/exec.go:434 +0x597
os/exec.(*Cmd).Run(0xc000232840, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38168 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0002e8601, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8090, 0x1, 0x1, 0xc000327d80, 0x15, 0xe3903cf500000200, 0xc00058ae00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8090, 0x1, 0x1, 0xc000327f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8090, 0x1, 0x1, 0xc000327f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0002faf20, 0xc0002faf20, 0xc0001d8090)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0002faf20, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38496 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001b7b00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319490, 0x1, 0x1, 0xc00028ed80, 0x15, 0x709c36de00000200, 0xc0003ab500)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319490, 0x1, 0x1, 0xc00028ef18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319490, 0x1, 0x1, 0xc00028ef18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00017a840, 0xc00017a840, 0xc000319490)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00017a840, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38593 [runnable]:
syscall.Syscall6(0xb, 0x40ea, 0xc00044ee74, 0x0, 0xc0002fc630, 0x0, 0x0, 0x40ea, 0x0, 0x0)
	/home/jrick/src/go/src/syscall/asm_unix_amd64.s:39 +0x5
syscall.wait4(0x40ea, 0xc00044ee74, 0x0, 0xc0002fc630, 0x90, 0x4a3e40, 0x1)
	/home/jrick/src/go/src/syscall/zsyscall_openbsd_amd64.go:34 +0x7b
syscall.Wait4(0x40ea, 0xc00044eec4, 0x0, 0xc0002fc630, 0x3, 0x3, 0x234d96e98)
	/home/jrick/src/go/src/syscall/syscall_bsd.go:129 +0x51
os.(*Process).wait(0xc0003c9a10, 0x4af130, 0x4af138, 0x4af128)
	/home/jrick/src/go/src/os/exec_unix.go:38 +0x7b
os.(*Process).Wait(...)
	/home/jrick/src/go/src/os/exec.go:125
os/exec.(*Cmd).Wait(0xc000048160, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:507 +0x60
os/exec.(*Cmd).Run(0xc000048160, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:341 +0x5c
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38456 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00017c400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319030, 0x1, 0x1, 0xc000570d80, 0x15, 0xea30fb2900000200, 0xc000278380)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319030, 0x1, 0x1, 0xc000570f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319030, 0x1, 0x1, 0xc000570f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0000f4840, 0xc0000f4840, 0xc000319030)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0000f4840, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38485 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001b6200, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319280, 0x1, 0x1, 0xc0004f1d80, 0x15, 0x66a470a000000200, 0xc000358e00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319280, 0x1, 0x1, 0xc0004f1f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319280, 0x1, 0x1, 0xc0004f1f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0005eba20, 0xc0005eba20, 0xc000319280)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0005eba20, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38391 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0005e9600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318ef0, 0x1, 0x1, 0xc000571d80, 0x15, 0xf163b78600000200, 0xc00034ee00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318ef0, 0x1, 0x1, 0xc000571f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318ef0, 0x1, 0x1, 0xc000571f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00015f080, 0xc00015f080, 0xc000318ef0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00015f080, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38567 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022c400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0003199c0, 0x1, 0x1, 0xc0003f3d80, 0x15, 0x9507813d00010200, 0xc000094000)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0003199c0, 0x1, 0x1, 0xc0003f3f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0003199c0, 0x1, 0x1, 0xc0003f3f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001ce420, 0xc0001ce420, 0xc0003199c0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001ce420, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38123 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022db00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d92c0, 0x1, 0x1, 0xc000280d80, 0x15, 0x124aa3500000200, 0xc00006a000)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d92c0, 0x1, 0x1, 0xc000280f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d92c0, 0x1, 0x1, 0xc000280f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0002ede40, 0xc0002ede40, 0xc0001d92c0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0002ede40, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38566 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022c200, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319990, 0x1, 0x1, 0xc000552d80, 0x15, 0x492949100000200, 0xc00041bc00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319990, 0x1, 0x1, 0xc000552f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319990, 0x1, 0x1, 0xc000552f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001ce000, 0xc0001ce000, 0xc000319990)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001ce000, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38346 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0005cb201, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318860, 0x1, 0x1, 0xc000060d80, 0x15, 0x4ef5907200000200, 0xc00039e700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318860, 0x1, 0x1, 0xc000060f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318860, 0x1, 0x1, 0xc000060f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000312dc0, 0xc000312dc0, 0xc000318860)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000312dc0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38440 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001a2400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d9040, 0x1, 0x1, 0xc0005b7d80, 0x15, 0x6b57aa9600010200, 0xc000412700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d9040, 0x1, 0x1, 0xc0005b7f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d9040, 0x1, 0x1, 0xc0005b7f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00018fce0, 0xc00018fce0, 0xc0001d9040)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00018fce0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38125 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0005e9200, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d92e0, 0x1, 0x1, 0xc00035bd80, 0x15, 0xd7542eb700000200, 0xc00034e700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d92e0, 0x1, 0x1, 0xc00035bf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d92e0, 0x1, 0x1, 0xc00035bf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0002fa160, 0xc0002fa160, 0xc0001d92e0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0002fa160, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38554 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38454 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0005e9d00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318f80, 0x1, 0x1, 0xc0004ecd80, 0x15, 0x46a1630f00000200, 0xc00034f880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318f80, 0x1, 0x1, 0xc0004ecf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318f80, 0x1, 0x1, 0xc0004ecf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00015fce0, 0xc00015fce0, 0xc000318f80)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00015fce0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38568 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022c600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0003199f0, 0x1, 0x1, 0xc00035fd80, 0x15, 0xea5536e700000200, 0xc000094380)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0003199f0, 0x1, 0x1, 0xc00035ff18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0003199f0, 0x1, 0x1, 0xc00035ff18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001ce840, 0xc0001ce840, 0xc0003199f0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001ce840, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38543 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e0600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0003197d0, 0x1, 0x1, 0xc0001c7d80, 0x15, 0xc6a3210800010200, 0xc0003b1500)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0003197d0, 0x1, 0x1, 0xc0001c7f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0003197d0, 0x1, 0x1, 0xc0001c7f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00021f1e0, 0xc00021f1e0, 0xc0003197d0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00021f1e0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38509 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022c900, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d9490, 0x1, 0x1, 0xc000450d80, 0x15, 0x35961d2c00000200, 0xc000094700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d9490, 0x1, 0x1, 0xc000450f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d9490, 0x1, 0x1, 0xc000450f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001cef20, 0xc0001cef20, 0xc0001d9490)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001cef20, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38419 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38502 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001cc400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d9340, 0x1, 0x1, 0xc0001c8d80, 0x15, 0xb941414a00000200, 0xc0003a5880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d9340, 0x1, 0x1, 0xc0001c8f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d9340, 0x1, 0x1, 0xc0001c8f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0000fb8c0, 0xc0000fb8c0, 0xc0001d9340)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0000fb8c0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38565 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022c000, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319960, 0x1, 0x1, 0xc000284d80, 0x15, 0x4d40560c00000200, 0xc00041b880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319960, 0x1, 0x1, 0xc000284f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319960, 0x1, 0x1, 0xc000284f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000157b80, 0xc000157b80, 0xc000319960)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000157b80, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38404 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc000195800, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8f30, 0x1, 0x1, 0xc0005b0d80, 0x15, 0x829a5f2a00000200, 0xc0003a3500)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8f30, 0x1, 0x1, 0xc0005b0f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8f30, 0x1, 0x1, 0xc0005b0f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00018e840, 0xc00018e840, 0xc0001d8f30)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00018e840, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38374 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc000218200, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000010b70, 0x1, 0x1, 0xc00005ed80, 0x15, 0xcbe8c65400000200, 0xc00025d880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000010b70, 0x1, 0x1, 0xc00005ef18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000010b70, 0x1, 0x1, 0xc00005ef18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0003bc420, 0xc0003bc420, 0xc000010b70)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0003bc420, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38455 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00017c000, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318fe0, 0x1, 0x1, 0xc0001c3d80, 0x15, 0x42834e1400000200, 0xc00034fc00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318fe0, 0x1, 0x1, 0xc0001c3f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318fe0, 0x1, 0x1, 0xc0001c3f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0000f4160, 0xc0000f4160, 0xc000318fe0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0000f4160, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38149 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022d600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319b30, 0x1, 0x1, 0xc00028dd80, 0x15, 0xa5dde16600000200, 0xc000095c00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319b30, 0x1, 0x1, 0xc00028df18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319b30, 0x1, 0x1, 0xc00028df18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00030ef20, 0xc00030ef20, 0xc000319b30)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00030ef20, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38486 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001b6400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0003192b0, 0x1, 0x1, 0xc00005dd80, 0x15, 0xc0fedd4800000200, 0xc000359180)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0003192b0, 0x1, 0x1, 0xc00005df18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0003192b0, 0x1, 0x1, 0xc00005df18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0005ebe40, 0xc0005ebe40, 0xc0003192b0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0005ebe40, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38260 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00017c200, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0003183f0, 0x1, 0x1, 0xc00032cd80, 0x15, 0x64eb2f0100010200, 0xc000278000)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0003183f0, 0x1, 0x1, 0xc00032cf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0003183f0, 0x1, 0x1, 0xc00032cf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00025a9a0, 0xc00025a9a0, 0xc0003183f0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00025a9a0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38111 [runnable]:
sync.runtime_Semrelease(0x55f454, 0x1, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:66 +0x3e
sync.(*Mutex).unlockSlow(0x55f450, 0xc0000000ac)
	/home/jrick/src/go/src/sync/mutex.go:224 +0xb3
sync.(*Mutex).Unlock(...)
	/home/jrick/src/go/src/sync/mutex.go:190
sync.(*RWMutex).Unlock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:136 +0xa4
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318e50, 0x1, 0x1, 0xc0001c9d80, 0x15, 0xe9435b9e00000200, 0xc00037c700)
	/home/jrick/src/go/src/syscall/exec_unix.go:206 +0x397
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318e50, 0x1, 0x1, 0xc0001c9f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318e50, 0x1, 0x1, 0xc0001c9f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0003766e0, 0xc0003766e0, 0xc000318e50)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0003766e0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38286 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0000d8200, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d87d0, 0x1, 0x1, 0xc000291d80, 0x15, 0x7f567a8e00010200, 0xc00013e700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d87d0, 0x1, 0x1, 0xc000291f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d87d0, 0x1, 0x1, 0xc000291f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0002ce000, 0xc0002ce000, 0xc0001d87d0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0002ce000, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38573 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022d400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319b00, 0x1, 0x1, 0xc000283d80, 0x15, 0xb4af36e900000200, 0xc000095880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319b00, 0x1, 0x1, 0xc000283f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319b00, 0x1, 0x1, 0xc000283f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00030eb00, 0xc00030eb00, 0xc000319b00)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00030eb00, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38278 [runnable]:
sync.runtime_Semrelease(0x55f454, 0x1, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:66 +0x3e
sync.(*Mutex).unlockSlow(0x55f450, 0xc000000084)
	/home/jrick/src/go/src/sync/mutex.go:224 +0xb3
sync.(*Mutex).Unlock(...)
	/home/jrick/src/go/src/sync/mutex.go:190
sync.(*RWMutex).Unlock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:136 +0xa4
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8d20, 0x1, 0x1, 0xc00056ed80, 0x15, 0xe3bcd46100000200, 0xc00040ae00)
	/home/jrick/src/go/src/syscall/exec_unix.go:206 +0x397
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8d20, 0x1, 0x1, 0xc00056ef18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8d20, 0x1, 0x1, 0xc00056ef18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000013a20, 0xc000013a20, 0xc0001d8d20)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000013a20, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38579 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc000496000, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d9590, 0x1, 0x1, 0xc0003f7d80, 0x15, 0x8d24192800000200, 0xc000494380)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d9590, 0x1, 0x1, 0xc0003f7f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d9590, 0x1, 0x1, 0xc0003f7f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001f8b00, 0xc0001f8b00, 0xc0001d9590)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001f8b00, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38476 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e1600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000011060, 0x1, 0x1, 0xc00056dd80, 0x15, 0xfcf6201700000200, 0xc00041aa80)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000011060, 0x1, 0x1, 0xc00056df18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000011060, 0x1, 0x1, 0xc00056df18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001778c0, 0xc0001778c0, 0xc000011060)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001778c0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38427 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00016f201, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000386c30, 0x1, 0x1, 0xc000287d80, 0x15, 0x2b4c96bc00000200, 0xc000350000)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000386c30, 0x1, 0x1, 0xc000287f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000386c30, 0x1, 0x1, 0xc000287f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0005c7760, 0xc0005c7760, 0xc000386c30)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0005c7760, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38562 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e1400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319890, 0x1, 0x1, 0xc0000bdd80, 0x15, 0x1587192500000200, 0xc00041a700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319890, 0x1, 0x1, 0xc0000bdf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319890, 0x1, 0x1, 0xc0000bdf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001569a0, 0xc0001569a0, 0xc000319890)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001569a0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38493 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001b7401, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319400, 0x1, 0x1, 0xc000430d80, 0x15, 0xa1c61d1d00000200, 0xc0003aaa80)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319400, 0x1, 0x1, 0xc000430f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319400, 0x1, 0x1, 0xc000430f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00019db80, 0xc00019db80, 0xc000319400)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00019db80, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38428 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00016f400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000386c60, 0x1, 0x1, 0xc00044dd80, 0x15, 0xcca71de200000200, 0xc000350380)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000386c60, 0x1, 0x1, 0xc00044df18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000386c60, 0x1, 0x1, 0xc00044df18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0005c7b80, 0xc0005c7b80, 0xc000386c60)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0005c7b80, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38399 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0005e9800, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318f20, 0x1, 0x1, 0xc0000b6d80, 0x15, 0x6f46637800010200, 0xc00034f180)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318f20, 0x1, 0x1, 0xc0000b6f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318f20, 0x1, 0x1, 0xc0000b6f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00015f4a0, 0xc00015f4a0, 0xc000318f20)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00015f4a0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38465 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e0f00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000010e90, 0x1, 0x1, 0xc00042dd80, 0x15, 0x45d2ea2800010200, 0xc00041a000)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000010e90, 0x1, 0x1, 0xc00042df18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000010e90, 0x1, 0x1, 0xc00042df18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001811e0, 0xc0001811e0, 0xc000010e90)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001811e0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38484 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001b7600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319430, 0x1, 0x1, 0xc000432d80, 0x15, 0x4bc33f9a00010200, 0xc0003aae00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319430, 0x1, 0x1, 0xc000432f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319430, 0x1, 0x1, 0xc000432f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00017a000, 0xc00017a000, 0xc000319430)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00017a000, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38410 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc000185d01, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8cc0, 0x1, 0x1, 0xc00042ed80, 0x15, 0xd3a221cc00000200, 0xc00040a700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8cc0, 0x1, 0x1, 0xc00042ef18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8cc0, 0x1, 0x1, 0xc00042ef18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0000131e0, 0xc0000131e0, 0xc0001d8cc0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0000131e0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38112 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00036f800, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318e80, 0x1, 0x1, 0xc0005b6d80, 0x15, 0x6b450f1d00000200, 0xc00037ca80)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318e80, 0x1, 0x1, 0xc0005b6f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318e80, 0x1, 0x1, 0xc0005b6f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000376b00, 0xc000376b00, 0xc000318e80)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000376b00, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38517 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e1800, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000386eb0, 0x1, 0x1, 0xc000451d80, 0x15, 0xfcad6b6900010200, 0xc00041ae00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000386eb0, 0x1, 0x1, 0xc000451f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000386eb0, 0x1, 0x1, 0xc000451f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000296160, 0xc000296160, 0xc000386eb0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000296160, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38422 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38544 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e0d00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319820, 0x1, 0x1, 0xc00054ed80, 0x15, 0xee6c797600000200, 0xc0003b1c00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319820, 0x1, 0x1, 0xc00054ef18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319820, 0x1, 0x1, 0xc00054ef18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00021f8c0, 0xc00021f8c0, 0xc000319820)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00021f8c0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38293 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38482 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00017dd00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319220, 0x1, 0x1, 0xc0000bcd80, 0x15, 0xc39bc90800010200, 0xc000358700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319220, 0x1, 0x1, 0xc0000bcf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319220, 0x1, 0x1, 0xc0000bcf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0005eb1e0, 0xc0005eb1e0, 0xc000319220)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0005eb1e0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38381 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e0200, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000010de0, 0x1, 0x1, 0xc000431d80, 0x15, 0x857c333b00000200, 0xc0003b0e00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000010de0, 0x1, 0x1, 0xc000431f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000010de0, 0x1, 0x1, 0xc000431f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000180420, 0xc000180420, 0xc000010de0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000180420, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38553 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38209 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc000479800, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000386180, 0x1, 0x1, 0xc000360d80, 0x15, 0xf963460900000200, 0xc000385c00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000386180, 0x1, 0x1, 0xc000360f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000386180, 0x1, 0x1, 0xc000360f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0002ecc60, 0xc0002ecc60, 0xc000386180)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0002ecc60, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38284 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc000583d01, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8770, 0x1, 0x1, 0xc0004edd80, 0x15, 0x1df1706d00000200, 0xc00013e000)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8770, 0x1, 0x1, 0xc0004edf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8770, 0x1, 0x1, 0xc0004edf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0003df600, 0xc0003df600, 0xc0001d8770)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0003df600, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38359 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38367 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0005d7d01, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000386a40, 0x1, 0x1, 0xc0005b2d80, 0x15, 0x5ccea92100000200, 0xc000348000)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000386a40, 0x1, 0x1, 0xc0005b2f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000386a40, 0x1, 0x1, 0xc0005b2f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000243080, 0xc000243080, 0xc000386a40)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000243080, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38091 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc000488400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000010bf0, 0x1, 0x1, 0xc00035ad80, 0x15, 0x75b00d0800000200, 0xc0003ff500)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000010bf0, 0x1, 0x1, 0xc00035af18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000010bf0, 0x1, 0x1, 0xc00035af18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0004851e0, 0xc0004851e0, 0xc000010bf0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0004851e0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38541 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e0000, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319760, 0x1, 0x1, 0xc0004efd80, 0x15, 0xe50d17c500000200, 0xc0003b0a80)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319760, 0x1, 0x1, 0xc0004eff18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319760, 0x1, 0x1, 0xc0004eff18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00021e6e0, 0xc00021e6e0, 0xc000319760)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00021e6e0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38510 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001cd400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d94a0, 0x1, 0x1, 0xc0001c4d80, 0x15, 0x7201c65300000200, 0xc000065180)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d94a0, 0x1, 0x1, 0xc0001c4f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d94a0, 0x1, 0x1, 0xc0001c4f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001af600, 0xc0001af600, 0xc0001d94a0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001af600, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38285 [runnable]:
sync.runtime_Semrelease(0x55f454, 0x1, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:66 +0x3e
sync.(*Mutex).unlockSlow(0x55f450, 0xc000000094)
	/home/jrick/src/go/src/sync/mutex.go:224 +0xb3
sync.(*Mutex).Unlock(...)
	/home/jrick/src/go/src/sync/mutex.go:190
sync.(*RWMutex).Unlock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:136 +0xa4
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d87a0, 0x1, 0x1, 0xc00005fd80, 0x15, 0x5ce1a8d400000200, 0xc00013e380)
	/home/jrick/src/go/src/syscall/exec_unix.go:206 +0x397
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d87a0, 0x1, 0x1, 0xc00005ff18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d87a0, 0x1, 0x1, 0xc00005ff18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0003dfb80, 0xc0003dfb80, 0xc0001d87a0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0003dfb80, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38141 [runnable]:
sync.runtime_Semrelease(0x55f454, 0x1, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:66 +0x3e
sync.(*Mutex).unlockSlow(0x55f450, 0xc0000000b4)
	/home/jrick/src/go/src/sync/mutex.go:224 +0xb3
sync.(*Mutex).Unlock(...)
	/home/jrick/src/go/src/sync/mutex.go:190
sync.(*RWMutex).Unlock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:136 +0xa4
syscall.forkExec(0x4a9a3d, 0xd, 0xc000386f20, 0x1, 0x1, 0xc00028ad80, 0x15, 0x5754902300000200, 0xc000504000)
	/home/jrick/src/go/src/syscall/exec_unix.go:206 +0x397
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000386f20, 0x1, 0x1, 0xc00028af18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000386f20, 0x1, 0x1, 0xc00028af18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0005026e0, 0xc0005026e0, 0xc000386f20)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0005026e0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38314 [runnable]:
sync.runtime_Semrelease(0x55f454, 0x1, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:66 +0x3e
sync.(*Mutex).unlockSlow(0x55f450, 0xc0000000a4)
	/home/jrick/src/go/src/sync/mutex.go:224 +0xb3
sync.(*Mutex).Unlock(...)
	/home/jrick/src/go/src/sync/mutex.go:190
sync.(*RWMutex).Unlock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:136 +0xa4
syscall.forkExec(0x4a9a3d, 0xd, 0xc000010db0, 0x1, 0x1, 0xc000281d80, 0x15, 0xc21ea2fc00000200, 0xc0003a1c00)
	/home/jrick/src/go/src/syscall/exec_unix.go:206 +0x397
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000010db0, 0x1, 0x1, 0xc000281f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000010db0, 0x1, 0x1, 0xc000281f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000180000, 0xc000180000, 0xc000010db0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000180000, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38433 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e0b00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8e70, 0x1, 0x1, 0xc0003f9d80, 0x15, 0x78b01ef600010200, 0xc0003a2700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8e70, 0x1, 0x1, 0xc0003f9f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8e70, 0x1, 0x1, 0xc0003f9f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0005db760, 0xc0005db760, 0xc0001d8e70)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0005db760, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38557 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0002a7201, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0000111f0, 0x1, 0x1, 0xc000063d80, 0x15, 0xd465ce4400000200, 0xc00050c700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0000111f0, 0x1, 0x1, 0xc000063f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0000111f0, 0x1, 0x1, 0xc000063f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001d1b80, 0xc0001d1b80, 0xc0000111f0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001d1b80, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38225 [runnable]:
sync.runtime_Semrelease(0x55f454, 0x1, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:66 +0x3e
sync.(*Mutex).unlockSlow(0x55f450, 0xc00000009c)
	/home/jrick/src/go/src/sync/mutex.go:224 +0xb3
sync.(*Mutex).Unlock(...)
	/home/jrick/src/go/src/sync/mutex.go:190
sync.(*RWMutex).Unlock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:136 +0xa4
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8240, 0x1, 0x1, 0xc0003f8d80, 0x15, 0xd1f0f41400000200, 0xc0004b8e00)
	/home/jrick/src/go/src/syscall/exec_unix.go:206 +0x397
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8240, 0x1, 0x1, 0xc0003f8f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8240, 0x1, 0x1, 0xc0003f8f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000472f20, 0xc000472f20, 0xc0001d8240)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000472f20, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38439 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001a2200, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d9000, 0x1, 0x1, 0xc00056cd80, 0x15, 0x9590f9d300000200, 0xc000412380)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d9000, 0x1, 0x1, 0xc00056cf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d9000, 0x1, 0x1, 0xc00056cf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00018f8c0, 0xc00018f8c0, 0xc0001d9000)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00018f8c0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38441 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001a2600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d9070, 0x1, 0x1, 0xc0005b1d80, 0x15, 0xaa12dd2500000200, 0xc000412a80)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d9070, 0x1, 0x1, 0xc0005b1f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d9070, 0x1, 0x1, 0xc0005b1f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000292160, 0xc000292160, 0xc0001d9070)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000292160, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38468 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0000f6b00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000010ee0, 0x1, 0x1, 0xc000062d80, 0x15, 0x4ce6244300000200, 0xc00034ce00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000010ee0, 0x1, 0x1, 0xc000062f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000010ee0, 0x1, 0x1, 0xc000062f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000181760, 0xc000181760, 0xc000010ee0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000181760, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38547 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38548 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38487 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001b6600, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0003192e0, 0x1, 0x1, 0xc00005cd80, 0x15, 0xcbc685f800010200, 0xc000359500)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0003192e0, 0x1, 0x1, 0xc00005cf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0003192e0, 0x1, 0x1, 0xc00005cf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00019c2c0, 0xc00019c2c0, 0xc0003192e0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00019c2c0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38406 [runnable]:
sync.runtime_Semrelease(0x55f454, 0x1, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:66 +0x3e
sync.(*Mutex).unlockSlow(0x55f450, 0xc0000000c4)
	/home/jrick/src/go/src/sync/mutex.go:224 +0xb3
sync.(*Mutex).Unlock(...)
	/home/jrick/src/go/src/sync/mutex.go:190
sync.(*RWMutex).Unlock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:136 +0xa4
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8c00, 0x1, 0x1, 0xc0004f2d80, 0x15, 0xee2467200000200, 0xc000407880)
	/home/jrick/src/go/src/syscall/exec_unix.go:206 +0x397
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8c00, 0x1, 0x1, 0xc0004f2f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8c00, 0x1, 0x1, 0xc0004f2f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000315e40, 0xc000315e40, 0xc0001d8c00)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000315e40, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38569 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022cb00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319a40, 0x1, 0x1, 0xc00035ed80, 0x15, 0xeace803b00000200, 0xc000094a80)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319a40, 0x1, 0x1, 0xc00035ef18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319a40, 0x1, 0x1, 0xc00035ef18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001cf340, 0xc0001cf340, 0xc000319a40)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001cf340, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38563 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e1b00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319900, 0x1, 0x1, 0xc0000b8d80, 0x15, 0xb2bec1100010200, 0xc00041b180)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319900, 0x1, 0x1, 0xc0000b8f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319900, 0x1, 0x1, 0xc0000b8f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000157340, 0xc000157340, 0xc000319900)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000157340, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38388 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0005e9400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000318eb0, 0x1, 0x1, 0xc000285d80, 0x15, 0xe1e5966000000200, 0xc00034ea80)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000318eb0, 0x1, 0x1, 0xc000285f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000318eb0, 0x1, 0x1, 0xc000285f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00015ec60, 0xc00015ec60, 0xc000318eb0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00015ec60, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38494 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001b7800, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319460, 0x1, 0x1, 0xc00035cd80, 0x15, 0x8887d64200000200, 0xc0003ab180)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319460, 0x1, 0x1, 0xc00035cf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319460, 0x1, 0x1, 0xc00035cf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00017a420, 0xc00017a420, 0xc000319460)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00017a420, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38438 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001a2001, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8fc0, 0x1, 0x1, 0xc0004f0d80, 0x15, 0xc68f2ee800000200, 0xc000412000)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8fc0, 0x1, 0x1, 0xc0004f0f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8fc0, 0x1, 0x1, 0xc0004f0f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00018f4a0, 0xc00018f4a0, 0xc0001d8fc0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00018f4a0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38551 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38542 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001e0400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0003197a0, 0x1, 0x1, 0xc000061d80, 0x15, 0x1e9c81f00000200, 0xc0003b1180)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0003197a0, 0x1, 0x1, 0xc000061f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0003197a0, 0x1, 0x1, 0xc000061f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00021edc0, 0xc00021edc0, 0xc0003197a0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00021edc0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38581 [runnable]:
runtime.SetFinalizer(0x4a0600, 0xc000442330, 0x4911e0, 0x4af100)
	/home/jrick/src/go/src/runtime/mfinal.go:309 +0x7b7
os.newProcess(...)
	/home/jrick/src/go/src/os/exec.go:26
os.startProcess(0x4a9a3d, 0xd, 0xc0001d95f0, 0x1, 0x1, 0xc00056ff18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:62 +0x40f
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d95f0, 0x1, 0x1, 0xc00056ff18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001f9340, 0xc0001f9340, 0xc0001d95f0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001f9340, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38436 [runnable]:
sync.runtime_SemacquireMutex(0x55f454, 0xc000195b01, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d8f60, 0x1, 0x1, 0xc00028cd80, 0x15, 0x8303d33b00010200, 0xc0003a3880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d8f60, 0x1, 0x1, 0xc00028cf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d8f60, 0x1, 0x1, 0xc00028cf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00018ec60, 0xc00018ec60, 0xc0001d8f60)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00018ec60, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38524 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022d800, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000387060, 0x1, 0x1, 0xc0005b4d80, 0x15, 0xf3562dec00000200, 0xc00036b880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000387060, 0x1, 0x1, 0xc0005b4f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000387060, 0x1, 0x1, 0xc0005b4f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000297b80, 0xc000297b80, 0xc000387060)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000297b80, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38546 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0002a6b00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000011160, 0x1, 0x1, 0xc0000bad80, 0x15, 0xadccf81500010200, 0xc00027bc00)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000011160, 0x1, 0x1, 0xc0000baf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000011160, 0x1, 0x1, 0xc0000baf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0001d0f20, 0xc0001d0f20, 0xc000011160)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0001d0f20, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38574 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00022dd01, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319b80, 0x1, 0x1, 0xc00044cd80, 0x15, 0x9ae1f62400000200, 0xc00006a380)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319b80, 0x1, 0x1, 0xc00044cf18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319b80, 0x1, 0x1, 0xc00044cf18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00030f4a0, 0xc00030f4a0, 0xc000319b80)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00030f4a0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38488 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001b6900, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000319310, 0x1, 0x1, 0xc0000b9d80, 0x15, 0x7a7b6fc200000200, 0xc000359880)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000319310, 0x1, 0x1, 0xc0000b9f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000319310, 0x1, 0x1, 0xc0000b9f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00019c6e0, 0xc00019c6e0, 0xc000319310)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00019c6e0, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38497 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0001a3800, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc0001d91f0, 0x1, 0x1, 0xc0001c2d80, 0x15, 0xe581c2ad00000200, 0xc0003a4700)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc0001d91f0, 0x1, 0x1, 0xc0001c2f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc0001d91f0, 0x1, 0x1, 0xc0001c2f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc0000fa420, 0xc0000fa420, 0xc0001d91f0)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc0000fa420, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38467 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc0002a7400, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000011220, 0x1, 0x1, 0xc00032dd80, 0x15, 0x6eb4262a00000200, 0xc00050ca80)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000011220, 0x1, 0x1, 0xc00032df18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000011220, 0x1, 0x1, 0xc00032df18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc000232000, 0xc000232000, 0xc000011220)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc000232000, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38552 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38255 [semacquire]:
sync.runtime_SemacquireMutex(0x55f454, 0xc00017db00, 0x1)
	/home/jrick/src/go/src/runtime/sema.go:71 +0x47
sync.(*Mutex).lockSlow(0x55f450)
	/home/jrick/src/go/src/sync/mutex.go:138 +0xfc
sync.(*Mutex).Lock(...)
	/home/jrick/src/go/src/sync/mutex.go:81
sync.(*RWMutex).Lock(0x55f450)
	/home/jrick/src/go/src/sync/rwmutex.go:98 +0x97
syscall.forkExec(0x4a9a3d, 0xd, 0xc000010790, 0x1, 0x1, 0xc0003f5d80, 0x15, 0x82787bda00000200, 0xc00002ea80)
	/home/jrick/src/go/src/syscall/exec_unix.go:193 +0x200
syscall.StartProcess(...)
	/home/jrick/src/go/src/syscall/exec_unix.go:248
os.startProcess(0x4a9a3d, 0xd, 0xc000010790, 0x1, 0x1, 0xc0003f5f18, 0x0, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec_posix.go:53 +0x2c0
os.StartProcess(0x4a9a3d, 0xd, 0xc000010790, 0x1, 0x1, 0xc0003f5f18, 0x15, 0x0, 0x4a4880)
	/home/jrick/src/go/src/os/exec.go:102 +0x7c
os/exec.(*Cmd).Start(0xc00033e580, 0xc00033e580, 0xc000010790)
	/home/jrick/src/go/src/os/exec/exec.go:422 +0x536
os/exec.(*Cmd).Run(0xc00033e580, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:338 +0x2b
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38550 [runnable]:
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:11
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75

goroutine 38525 [runnable]:
syscall.Syscall6(0xb, 0x5797, 0xc000328e74, 0x0, 0xc0001dd680, 0x0, 0x0, 0x5797, 0x0, 0x0)
	/home/jrick/src/go/src/syscall/asm_unix_amd64.s:39 +0x5
syscall.wait4(0x5797, 0xc000328e74, 0x0, 0xc0001dd680, 0x90, 0x4a3e40, 0x1)
	/home/jrick/src/go/src/syscall/zsyscall_openbsd_amd64.go:34 +0x7b
syscall.Wait4(0x5797, 0xc000328ec4, 0x0, 0xc0001dd680, 0x3, 0x3, 0x234d97560)
	/home/jrick/src/go/src/syscall/syscall_bsd.go:129 +0x51
os.(*Process).wait(0xc000509200, 0x4af130, 0x4af138, 0x4af128)
	/home/jrick/src/go/src/os/exec_unix.go:38 +0x7b
os.(*Process).Wait(...)
	/home/jrick/src/go/src/os/exec.go:125
os/exec.(*Cmd).Wait(0xc0003ac000, 0x0, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:507 +0x60
os/exec.(*Cmd).Run(0xc0003ac000, 0xd, 0x0)
	/home/jrick/src/go/src/os/exec/exec.go:341 +0x5c
main.main.func1(0xc0000560c0)
	/home/jrick/src/spawn/spawn.go:12 +0x59
created by main.main
	/home/jrick/src/spawn/spawn.go:11 +0x75
exit status 2