[INFO] fetching crate signal-hook 0.3.10...
[INFO] testing signal-hook-0.3.10 against 1.55.0 for beta-1.56-1
[INFO] extracting crate signal-hook 0.3.10 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate signal-hook 0.3.10 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signal-hook 0.3.10
[INFO] finished tweaking crates.io crate signal-hook 0.3.10
[INFO] tweaked toml for crates.io crate signal-hook 0.3.10 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate signal-hook 0.3.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 726fab93d023859ed109852bd4b1082757da8e895fcc9566c4c137e338a3624c
[INFO] running `Command { std: "docker" "start" "-a" "726fab93d023859ed109852bd4b1082757da8e895fcc9566c4c137e338a3624c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "726fab93d023859ed109852bd4b1082757da8e895fcc9566c4c137e338a3624c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726fab93d023859ed109852bd4b1082757da8e895fcc9566c4c137e338a3624c", kill_on_drop: false }`
[INFO] [stdout] 726fab93d023859ed109852bd4b1082757da8e895fcc9566c4c137e338a3624c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74163c1e7883552f0c400238889d48b7887b4f3051bb2283fbe2829d5c98ea7f
[INFO] running `Command { std: "docker" "start" "-a" "74163c1e7883552f0c400238889d48b7887b4f3051bb2283fbe2829d5c98ea7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "74163c1e7883552f0c400238889d48b7887b4f3051bb2283fbe2829d5c98ea7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74163c1e7883552f0c400238889d48b7887b4f3051bb2283fbe2829d5c98ea7f", kill_on_drop: false }`
[INFO] [stdout] 74163c1e7883552f0c400238889d48b7887b4f3051bb2283fbe2829d5c98ea7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec28b641405598d3b87803de57d888a8ccc7c9b0946fa8b3de81e69629392b7a
[INFO] running `Command { std: "docker" "start" "-a" "ec28b641405598d3b87803de57d888a8ccc7c9b0946fa8b3de81e69629392b7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling signal-hook v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.08s
[INFO] running `Command { std: "docker" "inspect" "ec28b641405598d3b87803de57d888a8ccc7c9b0946fa8b3de81e69629392b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec28b641405598d3b87803de57d888a8ccc7c9b0946fa8b3de81e69629392b7a", kill_on_drop: false }`
[INFO] [stdout] ec28b641405598d3b87803de57d888a8ccc7c9b0946fa8b3de81e69629392b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a1c204423bf656b9332dd8e1575741c54250cb3177ab8887512256bb6873d1a
[INFO] running `Command { std: "docker" "start" "-a" "1a1c204423bf656b9332dd8e1575741c54250cb3177ab8887512256bb6873d1a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signal_hook-ffc45b467e447d80)
[INFO] [stdout] test low_level::channel::tests::new_empty ... ok
[INFO] [stdout] test low_level::channel::tests::overflow ... ok
[INFO] [stdout] test low_level::pipe::tests::register_with_pipe ... ok
[INFO] [stdout] test low_level::channel::tests::pass_value ... ok
[INFO] [stdout] test low_level::channel::tests::multi_thread ... ok
[INFO] [stdout] test low_level::channel::tests::multiple ... ok
[INFO] [stdout] test low_level::signal_details::test::unknown ... ok
[INFO] [stdout] test low_level::pipe::tests::register_dgram_socket ... ok
[INFO] [stdout] test low_level::signal_details::test::existing ... ok
[INFO] [stdout] test low_level::pipe::tests::register_with_socket ... ok
[INFO] [stdout] test flag::tests::register_unregister ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/default.rs (/opt/rustwide/target/debug/deps/default-c630ed3f1fff971d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/iterator.rs (/opt/rustwide/target/debug/deps/iterator-016850e03a29d364)
[INFO] [stdout] test sig_dfl ... ok
[INFO] [stdout] test sig_dfl_static ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test forever_doesnt_block_when_closed ... ok
[INFO] [stdout] test delayed_signal_consumed ... ok
[INFO] [stdout] test signals_block_wait ... ok
[INFO] [stderr]      Running tests/shutdown.rs (/opt/rustwide/target/debug/deps/shutdown-0965af171ae145d9)
[INFO] [stdout] test forever_terminates_when_closed ... ok
[INFO] [stdout] test is_closed_returns_true_when_closed ... ok
[INFO] [stdout] test is_closed_initially_returns_false ... ok
[INFO] [stdout] test add_signal_after_creation ... ok
[INFO] [stdout] test pending_doesnt_block ... ok
[INFO] [stdout] test wait_doesnt_block_when_closed ... ok
[INFO] [stdout] test forever_returns_recieved_signals ... ok
[INFO] [stdout] test wait_unblocks_when_closed ... ok
[INFO] [stdout] test wait_returns_recieved_signals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cleanup_after_signal ... ok
[INFO] [stdout] test cleanup_inside_signal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signal-hook
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 208) ... ok
[INFO] [stdout] test src/lib.rs - (line 139) ... ok
[INFO] [stdout] test src/flag.rs - flag (line 107) ... ok
[INFO] [stdout] test src/low_level/pipe.rs - low_level::pipe (line 59) ... ok
[INFO] [stdout] test src/iterator/mod.rs - iterator (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 183) ... ok
[INFO] [stdout] test src/low_level/signal_details.rs - low_level::signal_details::signal_name (line 91) ... ok
[INFO] [stdout] test src/flag.rs - flag (line 26) ... ok
[INFO] [stdout] test src/iterator/exfiltrator/raw.rs - iterator::exfiltrator::raw::WithRawSiginfo (line 41) ... ok
[INFO] [stdout] test src/iterator/mod.rs - iterator::SignalsInfo (line 101) ... ok
[INFO] [stdout] test src/iterator/mod.rs - iterator::SignalsInfo<E>::forever (line 242) ... ok
[INFO] [stdout] test src/flag.rs - flag (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a1c204423bf656b9332dd8e1575741c54250cb3177ab8887512256bb6873d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1c204423bf656b9332dd8e1575741c54250cb3177ab8887512256bb6873d1a", kill_on_drop: false }`
[INFO] [stdout] 1a1c204423bf656b9332dd8e1575741c54250cb3177ab8887512256bb6873d1a