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(merge: 90c6cde 90dc0b0)
Rollup merge of #99627 - saethlin:lock-once, r=eddyb
authorGuillaume Gomez <guillaume1.gomez@gmail.com>
Sat, 23 Jul 2022 21:34:31 +0000 (23:34 +0200)
committerGitHub <noreply@github.com>
Sat, 23 Jul 2022 21:34:31 +0000 (23:34 +0200)
commit74c3da39f0b32eb6744caff1353ba35be2a25768
tree594bdfb842eb3450bfc2632c8fe0708e75a688d5tree | snapshot
parent90c6cde43a9b45017375231bfd8f0eb38f9b4a04commit | diff
parent90dc0b02ae38185eee3e6490f7ff47b50297f22bcommit | diff
Rollup merge of #99627 - saethlin:lock-once, r=eddyb

Lock stdout once when listing tests

This is a marginal optimization for normal operation, but for `cargo miri nextest list` (which is invoked by `cargo miri nextest run`) this knocks the startup time on `regex` down from 87 seconds to 17 seconds. Still slow, but a nice 5x improvement.
Empowering everyone to build reliable and efficient software.