Step #1 - "builder": 2020/01/11 06:27:11 Failed to build app: [go build -o /tmp/staging/usr/local/bin/start .] with env [PATH=/go/bin:/usr/local/go/bin:/builder/google-cloud-sdk/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin HOSTNAME=c77b1898fb9a HOME=/builder/home BUILDER_OUTPUT=/builder/outputs DEBIAN_FRONTEND=noninteractive GOROOT=/usr/local/go/ GOPATH=/go GO111MODULE=on GOCACHE=/tmp/cache GOPATH=/go] failed: err=exit status 2
...
...
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fatal error: runtime: out of memory
runtime stack:
runtime.throw(0xe44a39, 0x16)
\t/usr/local/go/src/runtime/panic.go:774 +0x72
runtime.sysMap(0xc0c0000000, 0x4000000, 0x15c6958)
\t/usr/local/go/src/runtime/mem_linux.go:169 +0xc5
runtime.(*mheap).sysAlloc(0x159e940, 0x2000, 0x2000, 0xc00003ded8)
\t/usr/local/go/src/runtime/malloc.go:701 +0x1cd
runtime.(*mheap).grow(0x159e940, 0x1, 0xffffffff)
\t/usr/local/go/src/runtime/mheap.go:1255 +0xa3
runtime.(*mheap).allocSpanLocked(0x159e940, 0x1, 0x15c6968, 0xc00001d320)
\t/usr/local/go/src/runtime/mheap.go:1170 +0x266
runtime.(*mheap).alloc_m(0x159e940, 0x1, 0xc000030012, 0x458b8a)
\t/usr/local/go/src/runtime/mheap.go:1022 +0xc2
runtime.(*mheap).alloc.func1()
\t/usr/local/go/src/runtime/mheap.go:1093 +0x4c
runtime.systemstack(0x0)
\t/usr/local/go/src/runtime/asm_amd64.s:370 +0x66
runtime.mstart()
\t/usr/local/go/src/runtime/proc.go:1146
goroutine 1