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Features
cargo-difftests
binary, including adding theRUSTC_WORKSPACE_WRAPPER
environment to processes that invokerustc
.cargo difftests collect-profiling-data
andcargo difftests rerun-dirty-from-indexes
; with the right combinations of options, they work sufficiently well.Removed features
testclient
for most tests, however it is still possible to use it to write test-specific extra metadata to identify the test in custom test rerunners; for the most part, tests do not need thetestclient
at all.