[INFO] fetching crate rcut 0.0.52...
[INFO] testing rcut-0.0.52 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rcut 0.0.52 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rcut 0.0.52 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 rcut 0.0.52
[INFO] finished tweaking crates.io crate rcut 0.0.52
[INFO] tweaked toml for crates.io crate rcut 0.0.52 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate rcut 0.0.52 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rcut-lib v0.0.52
[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] 96ae070e7da2000dff75a6401af01935d4297eae8be83165785a91ff7210f7f7
[INFO] running `Command { std: "docker" "start" "-a" "96ae070e7da2000dff75a6401af01935d4297eae8be83165785a91ff7210f7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ae070e7da2000dff75a6401af01935d4297eae8be83165785a91ff7210f7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ae070e7da2000dff75a6401af01935d4297eae8be83165785a91ff7210f7f7", kill_on_drop: false }`
[INFO] [stdout] 96ae070e7da2000dff75a6401af01935d4297eae8be83165785a91ff7210f7f7
[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] ce4df19c61bea2071961c9d847d895c621e745ecf02b7bdfe57a3be69c371d7c
[INFO] running `Command { std: "docker" "start" "-a" "ce4df19c61bea2071961c9d847d895c621e745ecf02b7bdfe57a3be69c371d7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtools-traits v0.0.52
[INFO] [stderr]    Compiling rcut-lib v0.0.52
[INFO] [stderr]    Compiling rcut v0.0.52 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "ce4df19c61bea2071961c9d847d895c621e745ecf02b7bdfe57a3be69c371d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4df19c61bea2071961c9d847d895c621e745ecf02b7bdfe57a3be69c371d7c", kill_on_drop: false }`
[INFO] [stdout] ce4df19c61bea2071961c9d847d895c621e745ecf02b7bdfe57a3be69c371d7c
[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] c63cd2eeb38638a2ed183f5f6f4d9076ef7e8be9c8956a86c4f3511171206b07
[INFO] running `Command { std: "docker" "start" "-a" "c63cd2eeb38638a2ed183f5f6f4d9076ef7e8be9c8956a86c4f3511171206b07", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcut v0.0.52 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "c63cd2eeb38638a2ed183f5f6f4d9076ef7e8be9c8956a86c4f3511171206b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63cd2eeb38638a2ed183f5f6f4d9076ef7e8be9c8956a86c4f3511171206b07", kill_on_drop: false }`
[INFO] [stdout] c63cd2eeb38638a2ed183f5f6f4d9076ef7e8be9c8956a86c4f3511171206b07
[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] d54029756bcc5ec9f4f199575e70e633ae353c279a8b7bafd66d7c0ee7575dc8
[INFO] running `Command { std: "docker" "start" "-a" "d54029756bcc5ec9f4f199575e70e633ae353c279a8b7bafd66d7c0ee7575dc8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcut-9a3d0a1d212f805c)
[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" "d54029756bcc5ec9f4f199575e70e633ae353c279a8b7bafd66d7c0ee7575dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54029756bcc5ec9f4f199575e70e633ae353c279a8b7bafd66d7c0ee7575dc8", kill_on_drop: false }`
[INFO] [stdout] d54029756bcc5ec9f4f199575e70e633ae353c279a8b7bafd66d7c0ee7575dc8