refactor: use the try_lock result in TryEnter #2842

Job	Run time
Lint	44s
ARM [GOAL install] [buster]	11m 47s
Win32	13m 17s
macOS 12 native [GOAL install] [GUI] [no depends]	28m 10s
Win64	30m 23s
i386 Linux [GOAL install] [focal]	11m 45s
x86_64 Linux [GOAL install] [GUI] [focal] [no depends]	15m 49s
x86_64 Linux [GOAL install] [GUI] [bionic] [no depends]	14m 20s
macOS 10.14 [GOAL deploy] [GUI] [no tests] [focal]	28m 15s
	2h 34m 30s

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