cmd/vet,cmd/compile: failures with `not a Go object file`

[gopherbot]

#!watchflakes
post <- log ~ `could not import .* \(not a [Gg]o object file`

Issue created automatically to collect these failures.

Example (log):

../../../../pkg/mod/github.com/go-pdf/fpdf@v0.6.0/svgbasic.go:20:2: could not import encoding/xml (not a go object file: )<arch>
)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "github.com/go-pdf/fpdf" && test == ""

2023-10-06 13:45 linux-ppc64le-buildlet perf@cd219cff go@e73e25b6 github.com/go-pdf/fpdf [build] (log)

../../../../pkg/mod/github.com/go-pdf/fpdf@v0.6.0/svgbasic.go:20:2: could not import encoding/xml (not a go object file: )<arch>
)

— watchflakes

[mknyszek]

In triage, we think this looks a bit like file corruption? We think the builder was maybe out of space or an incomplete file was written or something.

CC @golang/ppc64

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- log ~ `could not import .* \(not a [Gg]o object file`

2023-11-16 22:18 linux-ppc64-sid-buildlet pkgsite@ee1eba0d go@82fc03f9 x/pkgsite/internal/log/stackdriverlogger [build] (log)

internal/log/stackdriverlogger/log.go:20:2: could not import golang.org/x/pkgsite/internal/experiment (not a go object file: )<arch>
)

2023-11-16 22:18 linux-ppc64-sid-buildlet pkgsite@ee1eba0d go@82fc03f9 x/pkgsite/internal/frontend/page [build] (log)

internal/frontend/page/page.go:11:2: could not import golang.org/x/pkgsite/internal/experiment (not a go object file: )<arch>
)

2023-11-16 22:18 linux-ppc64-sid-buildlet pkgsite@ee1eba0d go@82fc03f9 x/pkgsite/internal/queue [build] (log)

internal/queue/queue.go:15:2: could not import golang.org/x/pkgsite/internal/experiment (not a go object file: )<arch>
)

— watchflakes

[david-caro]

I'm seeing this on my fedora 39 machine, when trying to install gopls:

dcaro@urcuchillay$ go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/dcaro/.cache/go-build"
GOENV="/home/dcaro/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/dcaro/Work/gows/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/dcaro/Work/gows"
GOPRIVATE=""
GOPROXY="direct"
GOROOT="/usr/lib/golang"
GOSUMDB="off"
GOTMPDIR=""
GOTOOLDIR="/usr/lib/golang/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.20.11"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/dev/null"
GOWORK=""
CGO_CFLAGS="-O2 -g"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-O2 -g"
CGO_FFLAGS="-O2 -g"
CGO_LDFLAGS="-O2 -g"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build2071659687=/tmp/go-build -gno-record-gcc-switches"

dcaro@urcuchillay$ go install golang.org/x/tools/gopls@latest 2> out

# the file is quite big, attached
dcaro@urcuchillay$ head -c 1000 out
# internal/reflectlite
/usr/lib/golang/src/internal/reflectlite/value.go:10:2: could not import runtime (not a go object file: 

out.zip

[david-caro]

Manually clearing the caches ($GOPATH/pkg/mod/cache/vcs/* and $GOPATH/pkg/mod/cache/download/* ) and retrying worked for me \e/