[INFO] fetching crate ghola 0.1.0...
[INFO] testing ghola-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ghola 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ghola 0.1.0 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 ghola 0.1.0
[INFO] finished tweaking crates.io crate ghola 0.1.0
[INFO] tweaked toml for crates.io crate ghola 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ghola 0.1.0 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 863a16b8b70d39c97612e2ada981c8228eb9a0882f621d159cb72975974a1fe0
[INFO] running `Command { std: "docker" "start" "-a" "863a16b8b70d39c97612e2ada981c8228eb9a0882f621d159cb72975974a1fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "863a16b8b70d39c97612e2ada981c8228eb9a0882f621d159cb72975974a1fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863a16b8b70d39c97612e2ada981c8228eb9a0882f621d159cb72975974a1fe0", kill_on_drop: false }`
[INFO] [stdout] 863a16b8b70d39c97612e2ada981c8228eb9a0882f621d159cb72975974a1fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3a3b2ccd0e854d2defaf2abd7c0e4ec3def02d3a1906eaf728e3181277cc0be3
[INFO] running `Command { std: "docker" "start" "-a" "3a3b2ccd0e854d2defaf2abd7c0e4ec3def02d3a1906eaf728e3181277cc0be3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ghola v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `temp`
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn temp() -> String {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "3a3b2ccd0e854d2defaf2abd7c0e4ec3def02d3a1906eaf728e3181277cc0be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3b2ccd0e854d2defaf2abd7c0e4ec3def02d3a1906eaf728e3181277cc0be3", kill_on_drop: false }`
[INFO] [stdout] 3a3b2ccd0e854d2defaf2abd7c0e4ec3def02d3a1906eaf728e3181277cc0be3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e827a7c0a2973cadaf8204821c71dbd62767e8ec3e5e1b852b1b7aca86ccff2f
[INFO] running `Command { std: "docker" "start" "-a" "e827a7c0a2973cadaf8204821c71dbd62767e8ec3e5e1b852b1b7aca86ccff2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ghola v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "e827a7c0a2973cadaf8204821c71dbd62767e8ec3e5e1b852b1b7aca86ccff2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e827a7c0a2973cadaf8204821c71dbd62767e8ec3e5e1b852b1b7aca86ccff2f", kill_on_drop: false }`
[INFO] [stdout] e827a7c0a2973cadaf8204821c71dbd62767e8ec3e5e1b852b1b7aca86ccff2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 71e7e39212c93e2420ac856995bbf60b4f02affb6e4589ac44a24096a694bf83
[INFO] running `Command { std: "docker" "start" "-a" "71e7e39212c93e2420ac856995bbf60b4f02affb6e4589ac44a24096a694bf83", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ghola-4c991e40301f9389)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] running `Command { std: "docker" "inspect" "71e7e39212c93e2420ac856995bbf60b4f02affb6e4589ac44a24096a694bf83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e7e39212c93e2420ac856995bbf60b4f02affb6e4589ac44a24096a694bf83", kill_on_drop: false }`
[INFO] [stdout] 71e7e39212c93e2420ac856995bbf60b4f02affb6e4589ac44a24096a694bf83