Go build runs out of memory

gistfile1.txt

lib9
libbio
libmach
misc/pprof
cmd/addr2line
cmd/cov
cmd/nm
cmd/objdump
cmd/pack
cmd/prof
cmd/cc
cmd/gc
cmd/6l
cmd/6a
cmd/6c
cmd/6g
pkg/runtime
pkg/errors
pkg/sync/atomic
pkg/sync
pkg/io
pkg/unicode
pkg/unicode/utf8
pkg/unicode/utf16
pkg/bytes
pkg/math
pkg/strings
pkg/strconv
pkg/bufio
pkg/sort
pkg/container/heap
pkg/encoding/base64
pkg/syscall
pkg/time
pkg/os
pkg/reflect
pkg/fmt
pkg/encoding/json
pkg/flag
pkg/path/filepath
pkg/path
pkg/io/ioutil
pkg/log
pkg/regexp/syntax
pkg/regexp
pkg/go/token
pkg/go/scanner
pkg/go/ast
pkg/go/parser
pkg/os/exec
pkg/os/signal
pkg/net/url
pkg/text/template/parse
pkg/text/template
pkg/go/doc
pkg/go/build
cmd/go
warning: GOPATH set to GOROOT (/home/ryan/sources/go) has no effect
warning: GOPATH set to GOROOT (/home/ryan/sources/go) has no effect
runtime
errors
sync/atomic
unicode
unicode/utf8
math
unicode/utf16
sync
crypto/subtle
container/list
io
syscall
hash
crypto
crypto/md5
hash/crc32
crypto/cipher
bytes
strings
bufio
time
path
text/tabwriter
crypto/hmac
crypto/sha1
crypto/sha256
html
hash/adler32
container/ring
strconv
sort
container/heap
math/rand
os
compress/bzip2
reflect
regexp/syntax
net/url
path/filepath
os/exec
io/ioutil
encoding/base64
crypto/aes
crypto/rc4
encoding/pem
regexp
os/signal
fmt
encoding/binary
crypto/sha512
encoding/ascii85
encoding/base32
debug/dwarf
crypto/des
index/suffixarray
exp/html/atom
hash/fnv
exp/utf8string
hash/crc64
image/color
math/cmplx
flag
go/token
text/template/parse
log
go/scanner
debug/elf
debug/macho
go/ast
debug/pe
text/template
encoding/json
encoding/xml
compress/flate
go/doc
go/parser
go/printer
compress/gzip
math/big
encoding/hex
mime
go/build
archive/zip
cmd/cgo
go/format
crypto/elliptic
cmd/fix
cmd/api
crypto/ecdsa
crypto/rand
crypto/rsa
crypto/dsa
encoding/asn1
crypto/x509/pkix
crypto/x509
encoding/gob
html/template
runtime/pprof
text/scanner
cmd/gofmt
cmd/vet
runtime/cgo
cmd/yacc
archive/tar
compress/lzw
net
compress/zlib
database/sql/driver
debug/gosym
database/sql
encoding/csv
exp/ebnf
go/types
exp/html
exp/ebnflint
exp/inotify
exp/norm
image
image/draw
exp/gotype
image/gif
image/jpeg
image/png
exp/locale/collate
crypto/tls
net/textproto
mime/multipart
log/syslog
net/mail
old/netchan
net/http
net/smtp
os/user
runtime/debug
testing
testing/iotest
go build testing/iotest: fork/exec /home/ryan/sources/go/pkg/tool/linux_amd64/6g: cannot allocate memory
testing/quick
go build testing/quick: fork/exec /home/ryan/sources/go/pkg/tool/linux_amd64/6g: cannot allocate memory
go build net/http: fork/exec /home/ryan/sources/go/pkg/tool/linux_amd64/pack: cannot allocate memory
go build os/user: fork/exec /home/ryan/sources/go/pkg/tool/linux_amd64/6c: cannot allocate memory
exp/locale/collate/build
exp/locale/collate/tools/colcmp