[INFO] fetching crate shared_child 0.3.5...
[INFO] testing shared_child-0.3.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shared_child 0.3.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate shared_child 0.3.5 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 shared_child 0.3.5
[INFO] finished tweaking crates.io crate shared_child 0.3.5
[INFO] tweaked toml for crates.io crate shared_child 0.3.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9935a44e1375739ac0410fbe671e63499579ded4d4a89ecc73a30ab8e4d0d920
[INFO] running `Command { std: "docker" "start" "-a" "9935a44e1375739ac0410fbe671e63499579ded4d4a89ecc73a30ab8e4d0d920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9935a44e1375739ac0410fbe671e63499579ded4d4a89ecc73a30ab8e4d0d920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9935a44e1375739ac0410fbe671e63499579ded4d4a89ecc73a30ab8e4d0d920", kill_on_drop: false }`
[INFO] [stdout] 9935a44e1375739ac0410fbe671e63499579ded4d4a89ecc73a30ab8e4d0d920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c09b879241113e00ad2fe26df56af9b84bce8f3d7124254909ef27e8be9a9189
[INFO] running `Command { std: "docker" "start" "-a" "c09b879241113e00ad2fe26df56af9b84bce8f3d7124254909ef27e8be9a9189", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_child v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "c09b879241113e00ad2fe26df56af9b84bce8f3d7124254909ef27e8be9a9189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09b879241113e00ad2fe26df56af9b84bce8f3d7124254909ef27e8be9a9189", kill_on_drop: false }`
[INFO] [stdout] c09b879241113e00ad2fe26df56af9b84bce8f3d7124254909ef27e8be9a9189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d6a74ec758f65fd59cc183d9ddf1c1428483f1c426763dfcb5532312a6c46496
[INFO] running `Command { std: "docker" "start" "-a" "d6a74ec758f65fd59cc183d9ddf1c1428483f1c426763dfcb5532312a6c46496", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_child v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "d6a74ec758f65fd59cc183d9ddf1c1428483f1c426763dfcb5532312a6c46496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a74ec758f65fd59cc183d9ddf1c1428483f1c426763dfcb5532312a6c46496", kill_on_drop: false }`
[INFO] [stdout] d6a74ec758f65fd59cc183d9ddf1c1428483f1c426763dfcb5532312a6c46496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9bf96d8348318908d098f3b461eca06c736196b2328385a5fc04f96916d3c7d5
[INFO] running `Command { std: "docker" "start" "-a" "9bf96d8348318908d098f3b461eca06c736196b2328385a5fc04f96916d3c7d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shared_child-67eaeafebf1b1fec)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_try_wait ... ok
[INFO] [stdout] test tests::test_into_inner_before_wait ... ok
[INFO] [stdout] test tests::test_into_inner_after_wait ... ok
[INFO] [stdout] test tests::test_wait ... ok
[INFO] [stdout] test tests::test_kill ... ok
[INFO] [stdout] test tests::test_waitid_after_exit_doesnt_hang ... ok
[INFO] [stdout] test tests::test_many_waiters ... ok
[INFO] [stderr]    Doc-tests shared_child
[INFO] [stdout] test unix::tests::test_send_signal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[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 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bf96d8348318908d098f3b461eca06c736196b2328385a5fc04f96916d3c7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf96d8348318908d098f3b461eca06c736196b2328385a5fc04f96916d3c7d5", kill_on_drop: false }`
[INFO] [stdout] 9bf96d8348318908d098f3b461eca06c736196b2328385a5fc04f96916d3c7d5