Build problem: "metrics/cpu_syscall.go:34:47: invalid operation:" int32 mixed with int64

[juampe]

To summup I tried to buid an arm geth docker container

FROM golang:buster
RUN apt-get update &&  apt-get -y upgrade && apt-get -y install --no-install-recommends bash git build-essential autoconf automake && git clone --depth 1 --recurse-submodules --shallow-submodules https://github.com/ethereum/go-ethereum.git /go-ethereum && cd /go-ethereum && make geth

And I got this error

env GO111MODULE=on go run build/ci.go install ./cmd/geth
>>> /usr/local/go/bin/go build -ldflags -X main.gitCommit=e74bd587f730fcdb5a9b625390da8aa85a2cbbc8 -X main.gitDate=20210205 -trimpath -v -o /go-ethereum/build/bin/geth ./cmd/geth
github.com/ethereum/go-ethereum/metrics
# github.com/ethereum/go-ethereum/metrics
metrics/cpu_syscall.go:34:47: invalid operation: (usage.Utime.Sec + usage.Stime.Sec) * 100 + int64(usage.Utime.Usec + usage.Stime.Usec) / 10000 (mismatched types int32 and int64)
util.go:47: exit status 2
exit status 1
make: *** [Makefile:16: geth] Error 1

The code involved
return (usage.Utime.Sec+usage.Stime.Sec)*100 + int64(usage.Utime.Usec+usage.Stime.Usec)/10000 //nolint:unconvert

The code corrected
return int64(usage.Utime.Sec+usage.Stime.Sec)*100 + int64(usage.Utime.Usec+usage.Stime.Usec)/10000 //nolint:unconvert

[MariusVanDerWijden]

Yep, that's a regression, we already have a fix for it here: #22262