[INFO] fetching crate regalloc2 0.0.0...
[INFO] testing regalloc2-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate regalloc2 0.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate regalloc2 0.0.0 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 regalloc2 0.0.0
[INFO] finished tweaking crates.io crate regalloc2 0.0.0
[INFO] tweaked toml for crates.io crate regalloc2 0.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate regalloc2 0.0.0 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] d78317af259ec50406d1232669411707f984583c38dba0bf94572b67b5a356da
[INFO] running `Command { std: "docker" "start" "-a" "d78317af259ec50406d1232669411707f984583c38dba0bf94572b67b5a356da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d78317af259ec50406d1232669411707f984583c38dba0bf94572b67b5a356da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78317af259ec50406d1232669411707f984583c38dba0bf94572b67b5a356da", kill_on_drop: false }`
[INFO] [stdout] d78317af259ec50406d1232669411707f984583c38dba0bf94572b67b5a356da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 43605729b11fa2be1775c0712ac390cee099136d4fe65883d82bdd1d39a5b074
[INFO] running `Command { std: "docker" "start" "-a" "43605729b11fa2be1775c0712ac390cee099136d4fe65883d82bdd1d39a5b074", kill_on_drop: false }`
[INFO] [stderr]    Compiling regalloc2 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "43605729b11fa2be1775c0712ac390cee099136d4fe65883d82bdd1d39a5b074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43605729b11fa2be1775c0712ac390cee099136d4fe65883d82bdd1d39a5b074", kill_on_drop: false }`
[INFO] [stdout] 43605729b11fa2be1775c0712ac390cee099136d4fe65883d82bdd1d39a5b074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 008f1614e642626a097343b1841fdfd9acae41ec2b61b8f3be4a7ec867c007c7
[INFO] running `Command { std: "docker" "start" "-a" "008f1614e642626a097343b1841fdfd9acae41ec2b61b8f3be4a7ec867c007c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling regalloc2 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "008f1614e642626a097343b1841fdfd9acae41ec2b61b8f3be4a7ec867c007c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008f1614e642626a097343b1841fdfd9acae41ec2b61b8f3be4a7ec867c007c7", kill_on_drop: false }`
[INFO] [stdout] 008f1614e642626a097343b1841fdfd9acae41ec2b61b8f3be4a7ec867c007c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c4cc23894e72ccf9a2b741e48acb30a813ebf41b6ec1ed7837222e5f3bc9f54d
[INFO] running `Command { std: "docker" "start" "-a" "c4cc23894e72ccf9a2b741e48acb30a813ebf41b6ec1ed7837222e5f3bc9f54d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/regalloc2-9a4c4952e6bde4e4)
[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" "c4cc23894e72ccf9a2b741e48acb30a813ebf41b6ec1ed7837222e5f3bc9f54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cc23894e72ccf9a2b741e48acb30a813ebf41b6ec1ed7837222e5f3bc9f54d", kill_on_drop: false }`
[INFO] [stdout] c4cc23894e72ccf9a2b741e48acb30a813ebf41b6ec1ed7837222e5f3bc9f54d