Rust

Unwrap Mutex from broken_link_callback #1091

Job	Run time
build_bin_spec (nightly)	1m 12s
build_wasm (nightly)	53s
build_bin_spec (beta)	1m 6s
build_lib_test (nightly)	1m 2s
build_wasm (beta)	54s
clippy_format	2m 2s
build_bin_spec (stable)	1m 6s
build_lib_test (beta)	1m 5s
build_wasm (stable)	42s
build_bin_spec ($MSRV)	2m 48s
build_lib_test (stable)	1m 1s
build_wasm ($MSRV)	2m 30s
build_lib_test ($MSRV)	2m 55s
lockfile	57s
no_features_build_test (nightly)	29s
no_features_build_test (beta)	29s
no_features_build_test (stable)	28s
no_features_build_test ($MSRV)	2m 7s
	23m 46s

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