[*] 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-build1567114902/b167/ -O2 -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -I . /tmp/cgo-gcc-input-3488628800.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-build1567114902/b167/ -O2 -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -I. /tmp/cgo-gcc-input-3488628800.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
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[*] 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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=fHz2oNjuqtQLGcb8P8Y9 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=fHz2oNjuqtQLGcb8P8Y9 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x002.o -c cgo.cgo2.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=bmBy03_72yaYRQifhcaX -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=bmBy03_72yaYRQifhcaX -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x001.o -c _cgo_export.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=D-GSBjARQzi2l6uKmch6 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=D-GSBjARQzi2l6uKmch6 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x003.o -c gcc_amd64.S -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=Z3-AF9zv7Srxhmf45XH5 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=Z3-AF9zv7Srxhmf45XH5 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x004.o -c gcc_context.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=9StRMIvGN2Cw6IQC5oBL -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=9StRMIvGN2Cw6IQC5oBL -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x005.o -c gcc_fatalf.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=kO7LprAn0M0oHb-edwWv -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x006.o -c gcc_libinit_unix.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=kO7LprAn0M0oHb-edwWv -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x006.o -c gcc_libinit_unix.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=hvBlq2BsidEn7lBJmlUq -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=hvBlq2BsidEn7lBJmlUq -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x007.o -c gcc_setenv.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=K_W2JLEt7FMYd26swO0a -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x008.o -c gcc_unix.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=K_W2JLEt7FMYd26swO0a -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x008.o -c gcc_unix.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=zGqEVhBJSzB1rG_SLLjy -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x009.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/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=zGqEVhBJSzB1rG_SLLjy -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x009.o -c gcc_util.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=jfvFFFCVzu-f6mVa5h4f -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x010.o -c pthread_unix.c
<.> /tmp/work/net/tailscale/work/.gcc/bin/gcc -fcommon -m64 -D_FORTIFY_SOURCE=2 -I/tmp/work/net/tailscale/work/.buildlink/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=jfvFFFCVzu-f6mVa5h4f -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_x010.o -c pthread_unix.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/runtime/cgo -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167=/tmp/go-build -gno-record-gcc-switches -D_POSIX_PTHREAD_SEMANTICS -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/ -O2 -g -Wall -Werror -fno-stack-protector -Wdeclaration-after-statement -std=gnu90 -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=x-sBWNZSD-ShFjwHTFao -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b167/_cgo_main.o -c _cgo_main.c
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[*] cc -I /opt/pkg/go127/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348=/tmp/go-build -gno-record-gcc-switches -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=CiRzm4MnM-zSiikiquUT -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_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/go127/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348=/tmp/go-build -gno-record-gcc-switches -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=CiRzm4MnM-zSiikiquUT -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_x002.o -c cgo_lookup_cgo.cgo2.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348=/tmp/go-build -gno-record-gcc-switches -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=tpra-OvcfZBeJ2zBAp1K -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_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/go127/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348=/tmp/go-build -gno-record-gcc-switches -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=tpra-OvcfZBeJ2zBAp1K -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_x003.o -c getgrouplist_unix.cgo2.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348=/tmp/go-build -gno-record-gcc-switches -I /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=mZqKLE_e9_2aNiTDpW97 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_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/go127/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348=/tmp/go-build -gno-record-gcc-switches -I/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/ -O2 -g -D_POSIX_PTHREAD_SEMANTICS -fno-stack-protector -ffile-prefix-map=/opt/pkg/go127=/_/GOROOT -frandom-seed=mZqKLE_e9_2aNiTDpW97 -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_cgo_main.o -c _cgo_main.c -I/tmp/work/net/tailscale/work/.buildlink/include
[*] cc -I /opt/pkg/go127/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348=/tmp/go-build -gno-record-gcc-switches -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_cgo_.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_cgo_main.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_x001.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_x002.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_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/go127/src/os/user -fPIC -m64 -pthread -fmessage-length=0 -ffile-prefix-map=/tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348=/tmp/go-build -gno-record-gcc-switches -o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_cgo_.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_cgo_main.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_x001.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_x002.o /tmp/work/net/tailscale/work/.cache/go-build/go-build1567114902/b348/_x003.o -O2 -g -I/tmp/work/net/tailscale/work/.buildlink/include