Tests

Refactor package walk code #1752

Job	Run time
quick-test	2m 36s
tests-from-tarball (ubuntu-latest)	2m 10s
test (macOS-latest, stable)	4m 37s
test (macOS-latest, nightly)	6m 51s
cargo-mutants (0, cargo)	6m 42s
test (macOS-latest, 1.78)	4m 41s
pr-mutants	0s
cargo-mutants (1, cargo)	7m 22s
test (ubuntu-latest, stable)	4m 5s
cargo-mutants (2, cargo)	6m 39s
test (ubuntu-latest, nightly)	4m 58s
cargo-mutants (3, cargo)	10m 6s
test (ubuntu-latest, 1.78)	4m 6s
cargo-mutants (4, cargo)	8m 58s
cargo-mutants (5, cargo)	10m 30s
test (windows-latest, stable)	7m 43s
cargo-mutants (6, cargo)	7m 57s
test (windows-latest, nightly)	10m 47s
cargo-mutants (7, cargo)	11m 10s
test (windows-latest, 1.78)	7m 3s
cargo-mutants (8, cargo)	9m 25s
cargo-mutants (9, cargo)	7m 33s
overall-result	1s
	2h 26m 0s

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