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cmd/go: "unknown directive" in TestScript/mod_concurrent #35425

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bcmills opened this issue Nov 7, 2019 · 4 comments
Closed

cmd/go: "unknown directive" in TestScript/mod_concurrent #35425

bcmills opened this issue Nov 7, 2019 · 4 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. release-blocker
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Go1.14

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@bcmills
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bcmills commented Nov 7, 2019

linux-amd64-nocgo (https://build.golang.org/log/4668306396e340463394550d95aee1d8b4867350):

--- FAIL: TestScript (0.00s)
    --- FAIL: TestScript/mod_concurrent (0.05s)
        script_test.go:192: 
            # Concurrent builds should succeed, even if they need to download modules. (0.043s)
            > go build ./x &
            > go build ./y
            [stderr]
            go: downloading rsc.io/sampler v1.0.0
            > wait
            [background] go build ./x: exit status 1
            [stderr]
            go: errors parsing go.mod:
            $WORK/gopath/src/go.mod:7: unknown directive: v1.0.0
            $WORK/gopath/src/go.mod:8: unknown directive: )
            FAIL: testdata/script/mod_concurrent.txt:6: unexpected command failure
            
FAIL
FAIL	cmd/go	77.618s

I've only seen one of these failures, but this failure mode suggests a possible bug in CL 205637.

CC @jayconrod
@bcmills bcmills added NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. release-blocker labels Nov 7, 2019
@bcmills bcmills added this to the Go1.14 milestone Nov 7, 2019
@bcmills bcmills self-assigned this Nov 7, 2019
@bcmills
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bcmills commented Nov 8, 2019

openbsd-amd64-64: https://storage.googleapis.com/go-build-log/9034f739/openbsd-amd64-64_f534ce96.log

@bcmills
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bcmills commented Nov 8, 2019

freebsd-386-12_0: https://build.golang.org/log/32b22820193997af284f1912917faa5912d45844

@gopherbot
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Change https://golang.org/cl/206142 mentions this issue: cmd/go/internal/modload: use lockedfile.Read for the initial read of the go.mod file

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Change https://golang.org/cl/206143 mentions this issue: cmd/go/internal/lockedfile: add a unit-test for Transform

gopherbot pushed a commit that referenced this issue Nov 8, 2019
cmd/go/internal/lockedfile: add a unit-test for Transform
a84ac18 
Updates #35425

Change-Id: I9ca2251246ee2fa9bb7a335d5eff94d3c9f1f004
Reviewed-on: https://go-review.googlesource.com/c/go/+/206143
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
@golang golang locked and limited conversation to collaborators Nov 7, 2020
@rsc rsc unassigned bcmills Jun 23, 2022
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