[INFO] fetching crate shared_child 1.0.0...
[INFO] testing shared_child-1.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate shared_child 1.0.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate shared_child 1.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shared_child 1.0.0
[INFO] finished tweaking crates.io crate shared_child 1.0.0
[INFO] tweaked toml for crates.io crate shared_child 1.0.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 630d34977de48c2e5692bd8637299299ebdad443a0824a37e8d267869aa1b4a6
[INFO] running `Command { std: "docker" "start" "-a" "630d34977de48c2e5692bd8637299299ebdad443a0824a37e8d267869aa1b4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "630d34977de48c2e5692bd8637299299ebdad443a0824a37e8d267869aa1b4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630d34977de48c2e5692bd8637299299ebdad443a0824a37e8d267869aa1b4a6", kill_on_drop: false }`
[INFO] [stdout] 630d34977de48c2e5692bd8637299299ebdad443a0824a37e8d267869aa1b4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b6327ec055493aeda9fad254a721d73ef0f24275f7ccde19b1e06903eb1286
[INFO] running `Command { std: "docker" "start" "-a" "63b6327ec055493aeda9fad254a721d73ef0f24275f7ccde19b1e06903eb1286", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_child v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "63b6327ec055493aeda9fad254a721d73ef0f24275f7ccde19b1e06903eb1286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b6327ec055493aeda9fad254a721d73ef0f24275f7ccde19b1e06903eb1286", kill_on_drop: false }`
[INFO] [stdout] 63b6327ec055493aeda9fad254a721d73ef0f24275f7ccde19b1e06903eb1286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da734ec79acb795d8a877b024f184bb3e6169f11f1df3f5c8856c5b5df5a98fb
[INFO] running `Command { std: "docker" "start" "-a" "da734ec79acb795d8a877b024f184bb3e6169f11f1df3f5c8856c5b5df5a98fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_child v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "da734ec79acb795d8a877b024f184bb3e6169f11f1df3f5c8856c5b5df5a98fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da734ec79acb795d8a877b024f184bb3e6169f11f1df3f5c8856c5b5df5a98fb", kill_on_drop: false }`
[INFO] [stdout] da734ec79acb795d8a877b024f184bb3e6169f11f1df3f5c8856c5b5df5a98fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e18c2d91f88bee8bcfc8a0c858a43dca20156a34804f82f98d39a1ba9bb9fecc
[INFO] running `Command { std: "docker" "start" "-a" "e18c2d91f88bee8bcfc8a0c858a43dca20156a34804f82f98d39a1ba9bb9fecc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shared_child-f9f4c0a46f3f3c54)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_waitid_after_exit_doesnt_hang ... ok
[INFO] [stdout] test tests::test_into_inner_after_wait ... ok
[INFO] [stdout] test tests::test_into_inner_before_wait ... ok
[INFO] [stdout] test tests::test_takes ... ok
[INFO] [stdout] test tests::test_try_wait ... ok
[INFO] [stdout] test tests::test_wait ... ok
[INFO] [stdout] test tests::test_kill ... ok
[INFO] [stdout] test tests::test_many_waiters ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] test unix::tests::test_send_signal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_child
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e18c2d91f88bee8bcfc8a0c858a43dca20156a34804f82f98d39a1ba9bb9fecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18c2d91f88bee8bcfc8a0c858a43dca20156a34804f82f98d39a1ba9bb9fecc", kill_on_drop: false }`
[INFO] [stdout] e18c2d91f88bee8bcfc8a0c858a43dca20156a34804f82f98d39a1ba9bb9fecc