[*] cc '-###' -x c -c -
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 '-###' -x c -c - -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -E -dM -m64 -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -I . /tmp/cgo-gcc-input-2794825788.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -E -dM -m64 -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -I. /tmp/cgo-gcc-input-2794825788.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -fno-caret-diagnostics -O2 -g -c -x c - -o /dev/null
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -fno-caret-diagnostics -O2 -g -c -x c - -o /dev/null -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -Qunused-arguments -O2 -g -c -x c - -o /dev/null
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -Qunused-arguments -O2 -g -c -x c - -o /dev/null -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -Wl,--no-gc-sections -O2 -g -x c - -o /dev/null
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -Wl,--no-gc-sections -O2 -g -x c - -o /dev/null -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -fdebug-prefix-map=a=b -O2 -g -c -x c - -o /dev/null
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -fdebug-prefix-map=a=b -O2 -g -c -x c - -o /dev/null -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -ffile-prefix-map=a=b -O2 -g -c -x c - -o /dev/null
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -ffile-prefix-map=a=b -O2 -g -c -x c - -o /dev/null -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -gno-record-gcc-switches -O2 -g -c -x c - -o /dev/null
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -gno-record-gcc-switches -O2 -g -c -x c - -o /dev/null -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -frandom-seed=1 -O2 -g -c -x c - -o /dev/null
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -frandom-seed=1 -O2 -g -c -x c - -o /dev/null -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=VxQq-Jo3QBC5hFnhP_X2 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x001.o -c _cgo_export.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=VxQq-Jo3QBC5hFnhP_X2 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x001.o -c _cgo_export.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=taFxvWSWxFqi80AN1iR8 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x002.o -c cgo.cgo2.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=taFxvWSWxFqi80AN1iR8 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x002.o -c cgo.cgo2.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=1g0OevzC8Rrj5ZRERscQ -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x003.o -c gcc_amd64.S
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=1g0OevzC8Rrj5ZRERscQ -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x003.o -c gcc_amd64.S -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=hwdCbniccXprbPlApDF0 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x004.o -c gcc_context.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=hwdCbniccXprbPlApDF0 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x004.o -c gcc_context.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=KvHz0HBc-NUGu_b6L3uT -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x005.o -c gcc_fatalf.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=KvHz0HBc-NUGu_b6L3uT -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x005.o -c gcc_fatalf.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=HJIsVOjeugz7nurMFwCW -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x006.o -c gcc_libinit.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=HJIsVOjeugz7nurMFwCW -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x006.o -c gcc_libinit.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=IUaUrZV03XfTAFgKEUnF -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x007.o -c gcc_setenv.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=IUaUrZV03XfTAFgKEUnF -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x007.o -c gcc_setenv.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=QiUodjapGSVzRxYAP676 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x008.o -c gcc_solaris_amd64.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=QiUodjapGSVzRxYAP676 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x008.o -c gcc_solaris_amd64.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=eAdlm9ULBysVn6S5fVjA -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x009.o -c gcc_stack_unix.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=eAdlm9ULBysVn6S5fVjA -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x009.o -c gcc_stack_unix.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=RBJg6toMIX8uh-pdR4xN -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x010.o -c gcc_util.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=RBJg6toMIX8uh-pdR4xN -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_x010.o -c gcc_util.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=FWaPJ3nOQ4XDeFNovLLw -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b162/_cgo_main.o -c _cgo_main.c
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[*] cc -I /opt/pkg/go126/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230=/tmp/go-build -gno-record-gcc-switches -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=R9xkey2x--iImMbJzMOp -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x002.o -c cgo_lookup_cgo.cgo2.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230=/tmp/go-build -gno-record-gcc-switches -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=R9xkey2x--iImMbJzMOp -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x002.o -c cgo_lookup_cgo.cgo2.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230=/tmp/go-build -gno-record-gcc-switches -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=TUrgPomSYPiMVyLn1vFa -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x003.o -c getgrouplist_unix.cgo2.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230=/tmp/go-build -gno-record-gcc-switches -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=TUrgPomSYPiMVyLn1vFa -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x003.o -c getgrouplist_unix.cgo2.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230=/tmp/go-build -gno-record-gcc-switches -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=lUeytm15m-6IVo_6_J18 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_cgo_main.o -c _cgo_main.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230=/tmp/go-build -gno-record-gcc-switches -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go126=/_/GOROOT -frandom-seed=lUeytm15m-6IVo_6_J18 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_cgo_main.o -c _cgo_main.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go126/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230=/tmp/go-build -gno-record-gcc-switches -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_cgo_.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_cgo_main.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x001.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x002.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x003.o -O2 -g
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go126/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230=/tmp/go-build -gno-record-gcc-switches -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_cgo_.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_cgo_main.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x001.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x002.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1570490460/b230/_x003.o -O2 -g -I/tmp/work/net/tailscale/work/.buildlink/include