Investigate Linux docs_publish and docs_test failures #114906
Description
The tree is currently red on Linux docs_test and Linux docs_publish.
Failed: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20docs_test/7600/overview
Re-run: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20docs_test/7601/overview
Re-run:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20docs_test/7602/overview
I'm seeing
Infra Failure: Step('Install dashing') (retcode: 1)
and
package github.com/urfave/cli/v2: cannot find package "github.com/urfave/cli/v2" in any of:
/b/s/w/ir/cache/go/src/github.com/urfave/cli/v2 (from $GOROOT)
/b/s/w/ir/x/w/recipe_cleanup/go_path/src/github.com/urfave/cli/v2 (from $GOPATH)
For Linux docs_publish
Failed: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20docs_publish/7495/overview
Re-run: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20docs_publish/7496/overview
Re-run: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20docs_publish/7497/overview
Re-run: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20docs_publish/7498/overview