##### Building Go bootstrap tool.
cmd/dist

##### Building Go toolchain using /home/rillig/pkg/go.
bootstrap/internal/obj
bootstrap/asm/internal/flags
bootstrap/compile/internal/big
bootstrap/internal/gcprog
bootstrap/internal/obj/arm
bootstrap/internal/obj/arm64
bootstrap/internal/obj/mips
bootstrap/internal/obj/ppc64
bootstrap/internal/obj/x86
bootstrap/asm/internal/lex
bootstrap/link/internal/ld
bootstrap/compile/internal/gc
bootstrap/asm/internal/arch
bootstrap/asm/internal/asm
bootstrap/asm
bootstrap/link/internal/amd64
bootstrap/link/internal/arm
bootstrap/link/internal/arm64
bootstrap/link/internal/mips64
bootstrap/link/internal/ppc64
bootstrap/link/internal/x86
bootstrap/link
bootstrap/compile/internal/amd64
bootstrap/compile/internal/arm
bootstrap/compile/internal/arm64
bootstrap/compile/internal/mips64
bootstrap/compile/internal/ppc64
bootstrap/compile/internal/x86
bootstrap/compile

##### Building go_bootstrap for host, netbsd/amd64.
runtime/internal/sys
runtime/internal/atomic
runtime
unicode/utf8
encoding
math
sort
errors
internal/race
unicode
unicode/utf16
sync/atomic
sync
container/heap
syscall
internal/singleflight
io
hash
hash/adler32
bytes
strings
bufio
internal/syscall/windows/registry
internal/syscall/windows
time
path
strconv
regexp/syntax
reflect
encoding/base64
crypto
crypto/sha1
os
os/signal
path/filepath
regexp
fmt
encoding/binary
io/ioutil
os/exec
debug/dwarf
flag
text/template/parse
compress/flate
net/url
go/token
encoding/json
log
go/scanner
go/ast
text/template
debug/macho
go/parser
compress/zlib
go/doc
debug/elf
go/build
cmd/go

##### Building packages and commands for netbsd/amd64.
runtime/internal/sys
runtime/internal/atomic
runtime
errors
sync/atomic
internal/race
unicode
unicode/utf8
sync
math
io
syscall
bytes
strconv
bufio
time
sort
strings
reflect
os
hash
hash/adler32
path
regexp/syntax
path/filepath
encoding/binary
fmt
text/tabwriter
io/ioutil
hash/crc32
compress/bzip2
flag
log
compress/flate
debug/dwarf
cmd/internal/obj
compress/zlib
debug/gosym
debug/plan9obj
cmd/internal/goobj
cmd/vendor/golang.org/x/arch/arm/armasm
debug/elf
debug/macho
debug/pe
cmd/vendor/golang.org/x/arch/x86/x86asm
regexp
archive/tar
archive/zip
cmd/internal/objfile
compress/gzip
compress/lzw
container/heap
container/list
container/ring
crypto
crypto/subtle
crypto/cipher
math/rand
cmd/addr2line
math/big
crypto/aes
crypto/des
crypto/sha512
crypto/hmac
crypto/md5
crypto/rc4
crypto/sha1
crypto/sha256
encoding/hex
encoding/base64
encoding/pem
crypto/dsa
crypto/elliptic
encoding/asn1
crypto/rand
crypto/rsa
internal/singleflight
go/token
os/exec
crypto/ecdsa
crypto/x509/pkix
go/scanner
database/sql/driver
encoding
encoding/ascii85
encoding/base32
go/ast
encoding/csv
encoding/gob
database/sql
go/parser
go/printer
unicode/utf16
encoding/json
encoding/xml
vendor/golang.org/x/net/http2/hpack
mime
cmd/cgo
mime/quotedprintable
net/http/internal
net/url
text/template/parse
go/constant
go/format
go/types
text/template
go/doc
go/build
text/scanner
hash/crc64
hash/fnv
html
go/internal/gccgoimporter
go/internal/gcimporter
html/template
go/importer
image/color
image
runtime/cgo
image/color/palette
image/internal/imageutil
image/draw
image/jpeg
image/gif
net
image/png
index/suffixarray
runtime/debug
runtime/pprof
runtime/trace
internal/trace
testing
fatal error: exitsyscall: syscall frame is no longer valid
fatal error: runtime·lock: lock count
panic during panic
[signal 0xb code=0x2 addr=0x4b1804 pc=0x49788e]

runtime stack:
os.(*file).close(0xc8203c6ee0, 0x0, 0x0)
	/home/rillig/gossa/src/os/file_unix.go:137 +0x21f
os.(*File).Close(0xc8200d6268, 0x0, 0x0)
	/home/rillig/gossa/src/os/file_unix.go:132 +0x54
os/exec.(*Cmd).closeDescriptors(0xc820435180, 0xc8204e3d60, 0x1, 0x1)
	/home/rillig/gossa/src/os/exec/exec.go:245 +0x84
os/exec.(*Cmd).Wait(0xc820435180, 0x0, 0x0)
	/home/rillig/gossa/src/os/exec/exec.go:406 +0x365
os/exec.(*Cmd).Run(0xc820435180, 0x0, 0x0)
	/home/rillig/gossa/src/os/exec/exec.go:262 +0x64
main.(*builder).runOut(0xc8201309a0, 0xc8200efa10, 0x26, 0xc820451668, 0xe, 0x0, 0x0, 0x0, 0xc82024c840, 0xe, ...)
	/home/rillig/gossa/src/cmd/go/build.go:2027 +0x364
main.gcToolchain.gc(0xc8201309a0, 0xc8202f8800, 0xc82033ad20, 0x27, 0xc82033ac90, 0x2b, 0xc8203b1000, 0xc8203c6d40, 0x2, 0x2, ...)
	/home/rillig/gossa/src/cmd/go/build.go:2288 +0x1261
main.(*gcToolchain).gc(0x93cc58, 0xc8201309a0, 0xc8202f8800, 0xc82033ad20, 0x27, 0xc82033ac90, 0x2b, 0x0, 0xc8203c6d40, 0x2, ...)
	<autogenerated>:3 +0x18e
main.(*builder).build(0xc8201309a0, 0xc8202e7790, 0x0, 0x0)
	/home/rillig/gossa/src/cmd/go/build.go:1479 +0x224c
main.(*builder).do.func1(0xc8202e7790)
	/home/rillig/gossa/src/cmd/go/build.go:1252 +0x3b2
main.(*builder).do.func2(0xc82029a910, 0xc8201309a0, 0xc82036e800)
	/home/rillig/gossa/src/cmd/go/build.go:1309 +0x156

goroutine 21 [running]:
runtime.systemstack_switch()
	/home/rillig/gossa/src/runtime/asm_amd64.s:245 fp=0xc8205e2ce0 sp=0xc8205e2cd8
runtime.startpanic()
	/home/rillig/gossa/src/runtime/panic.go:508 +0x14 fp=0xc8205e2cf0 sp=0xc8205e2ce0
runtime.throw(0x7d94a0, 0x2d)
	/home/rillig/gossa/src/runtime/panic.go:529 +0x83 fp=0xc8205e2d08 sp=0xc8205e2cf0
runtime.exitsyscall(0x5d8f82)
	/home/rillig/gossa/src/runtime/proc.go:2400 +0x62 fp=0xc8205e2d30 sp=0xc8205e2d08
syscall.Syscall6(0x7f7ff7fc0960, 0x497f52, 0x10, 0x72ab00, 0xc800000001, 0x0, 0x494ff0, 0xffffffffffffffff, 0x0, 0xa)
	/home/rillig/gossa/src/syscall/asm_netbsd_amd64.s:57 +0x48 fp=0xc8205e2d38 sp=0xc8205e2d30
syscall.wait4(0x7f7ff7f70050, 0x53532f, 0x72ab00, 0x6f0ce0, 0x93cab0, 0xc8205e2dd8, 0x0)
	/home/rillig/gossa/src/syscall/zsyscall_netbsd_amd64.go:34 +0x72 fp=0xc8205e2d90 sp=0xc8205e2d38
syscall.Wait4(0x16, 0xc8203a09a0, 0xc820443e00, 0x48ca7e, 0xc8203d89b8, 0x10, 0xc8204e3ef0)
	/home/rillig/gossa/src/syscall/syscall_bsd.go:129 +0x55 fp=0xc8205e2dd8 sp=0xc8205e2d90
created by main.(*builder).do
	/home/rillig/gossa/src/cmd/go/build.go:1315 +0x39e
fatal error: runtime·lock: lock count
stack trace unavailable