[INFO] fetching crate balloon 0.0.14...
[INFO] testing balloon-0.0.14 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate balloon 0.0.14 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate balloon 0.0.14 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 balloon 0.0.14
[INFO] finished tweaking crates.io crate balloon 0.0.14
[INFO] tweaked toml for crates.io crate balloon 0.0.14 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7d40ed08f9ba38af99c5646eefe773e6dbdb00eb56e04db51421c40857aaa794
[INFO] running `Command { std: "docker" "start" "-a" "7d40ed08f9ba38af99c5646eefe773e6dbdb00eb56e04db51421c40857aaa794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d40ed08f9ba38af99c5646eefe773e6dbdb00eb56e04db51421c40857aaa794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d40ed08f9ba38af99c5646eefe773e6dbdb00eb56e04db51421c40857aaa794", kill_on_drop: false }`
[INFO] [stdout] 7d40ed08f9ba38af99c5646eefe773e6dbdb00eb56e04db51421c40857aaa794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4f83489af215bbe45f12e0db7c14d82afa48d944eb371c52be9c1fac05b0ec85
[INFO] running `Command { std: "docker" "start" "-a" "4f83489af215bbe45f12e0db7c14d82afa48d944eb371c52be9c1fac05b0ec85", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling balloon v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "4f83489af215bbe45f12e0db7c14d82afa48d944eb371c52be9c1fac05b0ec85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f83489af215bbe45f12e0db7c14d82afa48d944eb371c52be9c1fac05b0ec85", kill_on_drop: false }`
[INFO] [stdout] 4f83489af215bbe45f12e0db7c14d82afa48d944eb371c52be9c1fac05b0ec85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a3df89a6d4203c8ba661d8f7d068a66922fa48e8d6f8cdd97d60c02d51dc2969
[INFO] running `Command { std: "docker" "start" "-a" "a3df89a6d4203c8ba661d8f7d068a66922fa48e8d6f8cdd97d60c02d51dc2969", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling criterion-cycles-per-byte v0.1.2
[INFO] [stderr]    Compiling balloon v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.25s
[INFO] running `Command { std: "docker" "inspect" "a3df89a6d4203c8ba661d8f7d068a66922fa48e8d6f8cdd97d60c02d51dc2969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3df89a6d4203c8ba661d8f7d068a66922fa48e8d6f8cdd97d60c02d51dc2969", kill_on_drop: false }`
[INFO] [stdout] a3df89a6d4203c8ba661d8f7d068a66922fa48e8d6f8cdd97d60c02d51dc2969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 356ef4dc2d70077be05eac7ee48f6a66b555218d6ef06cba5e893c271aecff8d
[INFO] running `Command { std: "docker" "start" "-a" "356ef4dc2d70077be05eac7ee48f6a66b555218d6ef06cba5e893c271aecff8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/balloon-baa387ac221aea46)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests balloon
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "356ef4dc2d70077be05eac7ee48f6a66b555218d6ef06cba5e893c271aecff8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356ef4dc2d70077be05eac7ee48f6a66b555218d6ef06cba5e893c271aecff8d", kill_on_drop: false }`
[INFO] [stdout] 356ef4dc2d70077be05eac7ee48f6a66b555218d6ef06cba5e893c271aecff8d