linux-amd64-regabi at 823bb967e3d27eda01742ba569ba3ab2bd04457d :: Running /workdir/go/src/make.bash with args ["/workdir/go/src/make.bash"] and env ["PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" "HOSTNAME=buildlet-linux-buster-rn9fbad49" "DEBIAN_FRONTEND=noninteractive" "HOME=/root" "USER=root" "GO_STAGE0_NET_DELAY=0s" "GO_STAGE0_DL_DELAY=300ms" "WORKDIR=/workdir" "GOROOT_BOOTSTRAP=/workdir/go1.4" "GO_BUILDER_NAME=linux-amd64-regabi" "GOROOT_BOOTSTRAP=/go1.4" "GO_DISABLE_OUTBOUND_NETWORK=1" "GOEXPERIMENT=regabi" "GOBIN=" "TMPDIR=/workdir/tmp" "GOCACHE=/workdir/gocache"] in dir /workdir/go/src Building Go cmd/dist using /go1.4. (go1.4 linux/amd64) Building Go toolchain1 using /go1.4. Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1. Building Go toolchain2 using go_bootstrap and Go toolchain1. Building Go toolchain3 using go_bootstrap and Go toolchain2. go tool compile: exit status 2 unexpected fault address 0x21c9838 fatal error: fault [signal SIGSEGV: segmentation violation code=0x1 addr=0x21c9838 pc=0x4f0d99] goroutine 1 [running, locked to thread]: runtime.throw(0xe39a48, 0x5) /workdir/go/src/runtime/panic.go:1193 +0x74 fp=0xc0001b1798 sp=0xc0001b1768 pc=0x438a14 runtime.sigpanic() /workdir/go/src/runtime/signal_unix.go:742 +0x3a8 fp=0xc0001b17f8 sp=0xc0001b1798 pc=0x44ff08 strings.(*Builder).WriteByte(...) /workdir/go/src/strings/builder.go:98 strings.ToLower(0xd6b533, 0xa, 0xd6b533, 0xa) /workdir/go/src/strings/strings.go:602 +0x1b9 fp=0xc0001b1890 sp=0xc0001b17f8 pc=0x4f0d99 cmd/compile/internal/base.init.0() /workdir/go/src/cmd/compile/internal/base/debug.go:74 +0x1f4 fp=0xc0001b1a40 sp=0xc0001b1890 pc=0x553874 runtime.doInit(0x13acd80) /workdir/go/src/runtime/proc.go:6216 +0x12a fp=0xc0001b1b90 sp=0xc0001b1a40 pc=0x44902a runtime.doInit(0x13aeac0) /workdir/go/src/runtime/proc.go:6193 +0x74 fp=0xc0001b1ce0 sp=0xc0001b1b90 pc=0x448f74 runtime.doInit(0x13ab5c0) /workdir/go/src/runtime/proc.go:6193 +0x74 fp=0xc0001b1e30 sp=0xc0001b1ce0 pc=0x448f74 runtime.doInit(0x13ac9c0) /workdir/go/src/runtime/proc.go:6193 +0x74 fp=0xc0001b1f80 sp=0xc0001b1e30 pc=0x448f74 runtime.main() /workdir/go/src/runtime/proc.go:206 +0x208 fp=0xc0001b1fe0 sp=0xc0001b1f80 pc=0x43b448 runtime.goexit() /workdir/go/src/runtime/asm_amd64.s:1582 +0x1 fp=0xc0001b1fe8 sp=0xc0001b1fe0 pc=0x46d881 go tool dist: FAILED: /workdir/go/pkg/tool/linux_amd64/go_bootstrap install -gcflags=all= -ldflags=all= -a -i cmd/asm cmd/cgo cmd/compile cmd/link: exit status 1 Error: build failed: make script failed: exit status 2