Merge pull request #91 from Ddystopia/impl_for_mut_ref #445

Job	Run time
readme	1m 24s
clippy	1m 2s
fmt	13s
docs	17s
ui-tests	1m 48s
nightly/--features default test --doc	2m 23s
nightly-msrv	6m 49s
sanitizers (--all-targets)	1m 8s
msrv/test	4m 56s
sanitizers (--doc)	1m 7s
update	1m 43s
link-heartbeat	29s
beta/--features default test --doc	2m 13s
msrv/check	3m 37s
apply	33s
beta/check --all-targets	2m 3s
os-check (macos-latest)	2m 24s
miri (-Zmiri-tree-borrows)	2m 28s
nightly/test --all-targets	2m 44s
miri ()	2m 20s
nightly/check --all-targets	2m 8s
miri (-Zmiri-strict-provenance)	2m 21s
os-check (windows-latest)	3m 28s
beta/test --all-targets	2m 44s
miri (-Zmiri-tree-borrows -Zmiri-strict-provenance)	2m 30s
signed-off-by	0s
	54m 52s

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