Tests

feat: --copy-vcs (alias --copy-git) option #1720

Job	Run time
quick-test	2m 33s
tests-from-tarball (ubuntu-latest)	2m 17s
pr-mutants (cargo)	3m 31s
cargo-mutants (0, cargo)	9m 12s
pr-mutants (nextest)	5m 51s
test (macOS-latest, stable)	5m 10s
cargo-mutants (1, cargo)	9m 24s
test (macOS-latest, nightly)	9m 17s
cargo-mutants (2, cargo)	7m 38s
test (macOS-latest, 1.78)	4m 59s
cargo-mutants (3, cargo)	8m 16s
test (ubuntu-latest, stable)	4m 50s
test (ubuntu-latest, nightly)	7m 58s
test (ubuntu-latest, 1.78)	4m 58s
cargo-mutants (4, cargo)	12m 50s
test (windows-latest, stable)	9m 2s
cargo-mutants (5, cargo)	13m 8s
test (windows-latest, nightly)	15m 12s
cargo-mutants (6, cargo)	9m 12s
test (windows-latest, 1.78)	7m 58s
cargo-mutants (7, cargo)	15m 51s
cargo-mutants (8, cargo)	12m 51s
cargo-mutants (9, cargo)	7m 30s
overall-result	1s
	3h 9m 29s

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