linux-amd64-buster at a9d9b5570964c2c2ef07992150174bd3d1b2d891 building sync at 506c70f97318aa991ec5a898685660c880c166ca

:: Running /workdir/go/bin/go with args ["/workdir/go/bin/go" "test" "-short" "./..."] and env ["HOSTNAME=buildlet-linux-amd64-buster-rnba72c0f" "HOME=/root" "SHLVL=0" "DEBIAN_FRONTEND=noninteractive" "USER=root" "GO_STAGE0_NET_DELAY=1s" "GO_STAGE0_DL_DELAY=100ms" "WORKDIR=/workdir" "GOROOT_BOOTSTRAP=/workdir/go1.4" "GO_BUILDER_NAME=linux-amd64-buster" "GOROOT=/workdir/go" "GOPATH=/workdir/gopath" "GOPROXY=https://proxy.golang.org" "GO_DISABLE_OUTBOUND_NETWORK=0" "TMPDIR=/workdir/tmp" "GOCACHE=/workdir/gocache" "GOPLSCACHE=/workdir/goplscache" "PATH=/workdir/go/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" "PWD=/workdir/gopath/src/golang.org/x/sync"] in dir /workdir/gopath/src/golang.org/x/sync

ok  	golang.org/x/sync/errgroup	0.008s
ok  	golang.org/x/sync/semaphore	6.194s
ok  	golang.org/x/sync/singleflight	0.024s
ok  	golang.org/x/sync/syncmap	0.017s