[INFO] fetching crate nb-executor 0.4.2...
[INFO] testing nb-executor-0.4.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate nb-executor 0.4.2 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate nb-executor 0.4.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nb-executor 0.4.2
[INFO] finished tweaking crates.io crate nb-executor 0.4.2
[INFO] tweaked toml for crates.io crate nb-executor 0.4.2 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7676a4add38bac280c61077ed29a294e645c870adc002253c9a74e1c19d091f
[INFO] running `Command { std: "docker" "start" "-a" "f7676a4add38bac280c61077ed29a294e645c870adc002253c9a74e1c19d091f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7676a4add38bac280c61077ed29a294e645c870adc002253c9a74e1c19d091f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7676a4add38bac280c61077ed29a294e645c870adc002253c9a74e1c19d091f", kill_on_drop: false }`
[INFO] [stdout] f7676a4add38bac280c61077ed29a294e645c870adc002253c9a74e1c19d091f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d86ca685054f139708e249f8da161f5df90b6c821d4aad8894298dddf2196c94
[INFO] running `Command { std: "docker" "start" "-a" "d86ca685054f139708e249f8da161f5df90b6c821d4aad8894298dddf2196c94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling nb-executor v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "d86ca685054f139708e249f8da161f5df90b6c821d4aad8894298dddf2196c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86ca685054f139708e249f8da161f5df90b6c821d4aad8894298dddf2196c94", kill_on_drop: false }`
[INFO] [stdout] d86ca685054f139708e249f8da161f5df90b6c821d4aad8894298dddf2196c94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dbe211f2e3f403a086e24debe4a4ce7d731663ba3680bdfad6ae7123ed1816e
[INFO] running `Command { std: "docker" "start" "-a" "0dbe211f2e3f403a086e24debe4a4ce7d731663ba3680bdfad6ae7123ed1816e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling nb-executor v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.06s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/nb_executor-99160d9e5ebfa6c4)
[INFO] running `Command { std: "docker" "inspect" "0dbe211f2e3f403a086e24debe4a4ce7d731663ba3680bdfad6ae7123ed1816e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbe211f2e3f403a086e24debe4a4ce7d731663ba3680bdfad6ae7123ed1816e", kill_on_drop: false }`
[INFO] [stdout] 0dbe211f2e3f403a086e24debe4a4ce7d731663ba3680bdfad6ae7123ed1816e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 137ad0149001681f93a94669a487992c5a89a2b2a7bdb8997590e172ad896753
[INFO] running `Command { std: "docker" "start" "-a" "137ad0149001681f93a94669a487992c5a89a2b2a7bdb8997590e172ad896753", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nb_executor-99160d9e5ebfa6c4)
[INFO] [stderr]    Doc-tests nb-executor
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::waker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - EventMask (line 41) ... ok
[INFO] [stdout] test src/lib.rs - Executor (line 132) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "137ad0149001681f93a94669a487992c5a89a2b2a7bdb8997590e172ad896753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "137ad0149001681f93a94669a487992c5a89a2b2a7bdb8997590e172ad896753", kill_on_drop: false }`
[INFO] [stdout] 137ad0149001681f93a94669a487992c5a89a2b2a7bdb8997590e172ad896753