[INFO] fetching crate signal-child 1.0.3...
[INFO] testing signal-child-1.0.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate signal-child 1.0.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate signal-child 1.0.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signal-child 1.0.3
[INFO] finished tweaking crates.io crate signal-child 1.0.3
[INFO] tweaked toml for crates.io crate signal-child 1.0.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97e09fe88e997f8775d5d56155f1e39193e545579851e00fafde064c0c9bed55
[INFO] running `Command { std: "docker" "start" "-a" "97e09fe88e997f8775d5d56155f1e39193e545579851e00fafde064c0c9bed55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e09fe88e997f8775d5d56155f1e39193e545579851e00fafde064c0c9bed55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e09fe88e997f8775d5d56155f1e39193e545579851e00fafde064c0c9bed55", kill_on_drop: false }`
[INFO] [stdout] 97e09fe88e997f8775d5d56155f1e39193e545579851e00fafde064c0c9bed55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e25f1c3ef4af0e8419be03ff12c7a4872c8123f7a281c54aa28baf4b5fe495f0
[INFO] running `Command { std: "docker" "start" "-a" "e25f1c3ef4af0e8419be03ff12c7a4872c8123f7a281c54aa28baf4b5fe495f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-child v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "e25f1c3ef4af0e8419be03ff12c7a4872c8123f7a281c54aa28baf4b5fe495f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25f1c3ef4af0e8419be03ff12c7a4872c8123f7a281c54aa28baf4b5fe495f0", kill_on_drop: false }`
[INFO] [stdout] e25f1c3ef4af0e8419be03ff12c7a4872c8123f7a281c54aa28baf4b5fe495f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58bf306c728e40b61308fa4a5729bc3174003aedc1a911e9604d0e5d6b0ff4f9
[INFO] running `Command { std: "docker" "start" "-a" "58bf306c728e40b61308fa4a5729bc3174003aedc1a911e9604d0e5d6b0ff4f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-child v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "58bf306c728e40b61308fa4a5729bc3174003aedc1a911e9604d0e5d6b0ff4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58bf306c728e40b61308fa4a5729bc3174003aedc1a911e9604d0e5d6b0ff4f9", kill_on_drop: false }`
[INFO] [stdout] 58bf306c728e40b61308fa4a5729bc3174003aedc1a911e9604d0e5d6b0ff4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac339d5c34bd69c0858ec3e5355e1861944d4508bd27cf1049c765ed663d8672
[INFO] running `Command { std: "docker" "start" "-a" "ac339d5c34bd69c0858ec3e5355e1861944d4508bd27cf1049c765ed663d8672", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signal_child-e655f3fbfb2db843)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_from_str_round_trips ... ok
[INFO] [stdout] test tests::test_from_str_invalid_value ... ok
[INFO] [stdout] test tests::test_termite_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signal-child
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Signalable (line 49) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac339d5c34bd69c0858ec3e5355e1861944d4508bd27cf1049c765ed663d8672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac339d5c34bd69c0858ec3e5355e1861944d4508bd27cf1049c765ed663d8672", kill_on_drop: false }`
[INFO] [stdout] ac339d5c34bd69c0858ec3e5355e1861944d4508bd27cf1049c765ed663d8672