tree dea186b742d65da25567a26266693b2b360037e8
parent e89747abcb464123ff466755445acf280fba8781
author Greg Spencer <gspencergoog@users.noreply.github.com> 1627510323 -0700
committer GitHub <noreply@github.com> 1627510323 -0700
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Make the startup lock message print to stderr. (#86520)

This changes the "Waiting for another flutter command to release the startup lock..." message output so that it appears on stderr instead of stdout. When it appears on stdout, it can mess up collection of the output. For instance, if you run flutter --version --machine and you're expecting JSON output, then you'll get non-JSON output even though the lock is released and you eventually would get what you're asking for.