[INFO] crate run-down 0.1.1 is already in cache
[INFO] testing run-down-0.1.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate run-down 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate run-down 0.1.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate run-down 0.1.1
[INFO] finished tweaking crates.io crate run-down 0.1.1
[INFO] tweaked toml for crates.io crate run-down 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54d3ee18cda902e0b3f18296c291303a2e2f168e3cc8ccae51aa1dbad04314c6
[INFO] running `"docker" "start" "-a" "54d3ee18cda902e0b3f18296c291303a2e2f168e3cc8ccae51aa1dbad04314c6"`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling lazy-init v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rsevents v0.2.1
[INFO] [stderr]    Compiling run-down v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `"docker" "inspect" "54d3ee18cda902e0b3f18296c291303a2e2f168e3cc8ccae51aa1dbad04314c6"`
[INFO] running `"docker" "rm" "-f" "54d3ee18cda902e0b3f18296c291303a2e2f168e3cc8ccae51aa1dbad04314c6"`
[INFO] [stdout] 54d3ee18cda902e0b3f18296c291303a2e2f168e3cc8ccae51aa1dbad04314c6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46630b7cf9fa2174ba1eb0960f2e606836146032575bad8125ca415607d7b7bb
[INFO] running `"docker" "start" "-a" "46630b7cf9fa2174ba1eb0960f2e606836146032575bad8125ca415607d7b7bb"`
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling run-down v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `"docker" "inspect" "46630b7cf9fa2174ba1eb0960f2e606836146032575bad8125ca415607d7b7bb"`
[INFO] running `"docker" "rm" "-f" "46630b7cf9fa2174ba1eb0960f2e606836146032575bad8125ca415607d7b7bb"`
[INFO] [stdout] 46630b7cf9fa2174ba1eb0960f2e606836146032575bad8125ca415607d7b7bb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e34820b77b2c3d121037b39c30d0156958803c0811debae90ca5e0b8062f93de
[INFO] running `"docker" "start" "-a" "e34820b77b2c3d121037b39c30d0156958803c0811debae90ca5e0b8062f93de"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/run_down-86c1f09ad617a311
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test flags::test_to_flags ... ok
[INFO] [stdout] test flags::test_rundown_flags_refcount ... ok
[INFO] [stdout] test flags::test_rundown_flags_set_in_progress ... ok
[INFO] [stdout] test rundown_ref::test_wait_when_protected ... ok
[INFO] [stdout] test flags::test_rundown_flags_overflow_panic ... ok
[INFO] [stdout] test flags::test_rundown_flags_underflow_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unit_tests-6966cc187d8febfa
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_acquisition_when_not_rundown ... ok
[INFO] [stdout] test test_multiple_successive_waits ... ok
[INFO] [stdout] test test_re_init ... ok
[INFO] [stdout] test test_acquisition_when_rundown ... ok
[INFO] [stdout] test test_rundown_guard_implements_drop ... ok
[INFO] [stdout] test test_usage_with_concurrency ... ok
[INFO] [stdout] test test_re_init_panic_on_ref ... ok
[INFO] [stdout] test test_re_init_panic_without_rundown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests run-down
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/doc-comment-0.3.3/src/lib.rs - readme_examples (line 197) ... ok
[INFO] [stdout] test src/lib.rs -  (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e34820b77b2c3d121037b39c30d0156958803c0811debae90ca5e0b8062f93de"`
[INFO] running `"docker" "rm" "-f" "e34820b77b2c3d121037b39c30d0156958803c0811debae90ca5e0b8062f93de"`
[INFO] [stdout] e34820b77b2c3d121037b39c30d0156958803c0811debae90ca5e0b8062f93de