[INFO] fetching crate broom 0.3.0...
[INFO] testing broom-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate broom 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate broom 0.3.0 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 broom 0.3.0
[INFO] finished tweaking crates.io crate broom 0.3.0
[INFO] tweaked toml for crates.io crate broom 0.3.0 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 42db2f265c53e65ace32fe917dee0446b4a9f7897a98524ffeeb40109aa45762
[INFO] running `Command { std: "docker" "start" "-a" "42db2f265c53e65ace32fe917dee0446b4a9f7897a98524ffeeb40109aa45762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42db2f265c53e65ace32fe917dee0446b4a9f7897a98524ffeeb40109aa45762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42db2f265c53e65ace32fe917dee0446b4a9f7897a98524ffeeb40109aa45762", kill_on_drop: false }`
[INFO] [stdout] 42db2f265c53e65ace32fe917dee0446b4a9f7897a98524ffeeb40109aa45762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7cb864ea7de2df5a35a90a8cd4293db6a080eee24818eea1537d48e40c6a4999
[INFO] running `Command { std: "docker" "start" "-a" "7cb864ea7de2df5a35a90a8cd4293db6a080eee24818eea1537d48e40c6a4999", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling broom v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "7cb864ea7de2df5a35a90a8cd4293db6a080eee24818eea1537d48e40c6a4999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb864ea7de2df5a35a90a8cd4293db6a080eee24818eea1537d48e40c6a4999", kill_on_drop: false }`
[INFO] [stdout] 7cb864ea7de2df5a35a90a8cd4293db6a080eee24818eea1537d48e40c6a4999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6a90acbd80af3dfcea90c7ca882922a69c7a670b3d8c368cd1de6e289411a979
[INFO] running `Command { std: "docker" "start" "-a" "6a90acbd80af3dfcea90c7ca882922a69c7a670b3d8c368cd1de6e289411a979", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling broom v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "6a90acbd80af3dfcea90c7ca882922a69c7a670b3d8c368cd1de6e289411a979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a90acbd80af3dfcea90c7ca882922a69c7a670b3d8c368cd1de6e289411a979", kill_on_drop: false }`
[INFO] [stdout] 6a90acbd80af3dfcea90c7ca882922a69c7a670b3d8c368cd1de6e289411a979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3594ac0d1702a233f6b9acefcad3c9e5940c5ae277298b87e8393df899ce0a93
[INFO] running `Command { std: "docker" "start" "-a" "3594ac0d1702a233f6b9acefcad3c9e5940c5ae277298b87e8393df899ce0a93", 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/broom-230a711e3f59a078)
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests broom
[INFO] [stdout] test tests::ownership ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::temporary ... ok
[INFO] [stdout] test tests::recursive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/trace.rs - trace::Trace (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3594ac0d1702a233f6b9acefcad3c9e5940c5ae277298b87e8393df899ce0a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3594ac0d1702a233f6b9acefcad3c9e5940c5ae277298b87e8393df899ce0a93", kill_on_drop: false }`
[INFO] [stdout] 3594ac0d1702a233f6b9acefcad3c9e5940c5ae277298b87e8393df899ce0a93