Code shared from the Rust Playground

playground.rs

C:\test_mem>cargo build --release 2> out.txt


   Compiling jemalloc-sys v0.1.8
error: failed to run custom build command for `jemalloc-sys v0.1.8`
process didn't exit successfully: `C:\test_mem\target\release\build\jemalloc-sys-0dcb97542439a53c\build-script-build` (exit code: 101)
--- stdout
TARGET=x86_64-pc-windows-gnu
HOST=x86_64-pc-windows-gnu
NUM_JOBS=8
OUT_DIR="C:\\test_mem\\target\\release\\build\\jemalloc-sys-8b9d59317da96c99\\out"
BUILD_DIR="C:\\test_mem\\target\\release\\build\\jemalloc-sys-8b9d59317da96c99\\out\\build"
SRC_DIR="C:\\Users\\Utente\\.cargo\\registry\\src\\github.com-1ecc6299db9ec823\\jemalloc-sys-0.1.8"
OPT_LEVEL = Some("3")
TARGET = Some("x86_64-pc-windows-gnu")
HOST = Some("x86_64-pc-windows-gnu")
CC_x86_64-pc-windows-gnu = None
CC_x86_64_pc_windows_gnu = None
HOST_CC = None
CC = None
CFLAGS_x86_64-pc-windows-gnu = None
CFLAGS_x86_64_pc_windows_gnu = None
HOST_CFLAGS = None
CFLAGS = None
DEBUG = Some("false")
CC="gcc.exe"
CFLAGS="-O3 -ffunction-sections -fdata-sections -m64 -Wall"
JEMALLOC_SRC_DIR="C:\\test_mem\\target\\release\\build\\jemalloc-sys-8b9d59317da96c99\\out\\jemalloc"
cargo:rustc-cfg=prefixed
JEMALLOC PREFIX SET TO: _rjem_
running: "sh" "/c/test_mem/target/release/build/jemalloc-sys-8b9d59317da96c99/out/jemalloc/configure" "--disable-cxx" "--with-jemalloc-prefix=_rjem_" "--with-private-namespace=_rjem_" "--host=x86_64-w64-mingw32" "--build=x86_64-w64-mingw32" "--prefix=C:\\test_mem\\target\\release\\build\\jemalloc-sys-8b9d59317da96c99\\out"

--- stderr
thread 'main' panicked at 'failed to execute command: Impossibile trovare il file specificato. (os error 2)', C:\Users\Utente\.cargo\registry\src\github.com-1ecc6299db9ec823\jemalloc-sys-0.1.8\build.rs:286:19
stack backtrace:
   0: std::sys_common::backtrace::_print
             at libstd\sys\windows\backtrace/mod.rs:104
             at libstd\sys\windows\backtrace/mod.rs:91
             at libstd\sys_common/backtrace.rs:71
   1: std::panicking::default_hook::{{closure}}
             at libstd\sys_common/backtrace.rs:59
             at libstd/panicking.rs:211
   2: std::panicking::default_hook
             at libstd/panicking.rs:227
   3: std::panicking::rust_panic_with_hook
             at libstd/panicking.rs:476
   4: std::panicking::continue_panic_fmt
             at libstd/panicking.rs:390
   5: std::panicking::begin_panic_fmt
             at libstd/panicking.rs:345
   6: build_script_build::run
   7: build_script_build::main
   8: std::rt::lang_start::{{closure}}
   9: std::panicking::try::do_call
             at libstd/rt.rs:59
             at libstd/panicking.rs:310
  10: _rust_maybe_catch_panic
             at libpanic_unwind/lib.rs:102
  11: std::rt::lang_start_internal
             at libstd/panicking.rs:289
             at libstd/panic.rs:392
             at libstd/rt.rs:58
  12: main
  13: _tmainCRTStartup
  14: mainCRTStartup
  15: unit_addrs_search
  16: unit_addrs_search