[INFO] fetching crate rcom 0.2.0...
[INFO] testing rcom-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rcom 0.2.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate rcom 0.2.0 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 rcom 0.2.0
[INFO] finished tweaking crates.io crate rcom 0.2.0
[INFO] tweaked toml for crates.io crate rcom 0.2.0 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate crates.io crate rcom 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 388ce0fc8d9ddf16da5ba6f9fa8fa6e94e68ed8e268a3b6b5419f6dab3721710
[INFO] running `Command { std: "docker" "start" "-a" "388ce0fc8d9ddf16da5ba6f9fa8fa6e94e68ed8e268a3b6b5419f6dab3721710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388ce0fc8d9ddf16da5ba6f9fa8fa6e94e68ed8e268a3b6b5419f6dab3721710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388ce0fc8d9ddf16da5ba6f9fa8fa6e94e68ed8e268a3b6b5419f6dab3721710", kill_on_drop: false }`
[INFO] [stdout] 388ce0fc8d9ddf16da5ba6f9fa8fa6e94e68ed8e268a3b6b5419f6dab3721710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] b789ea2d9f7339e6ef0831fe230c578f77bb2e0c766817528fbb0a4b92febe49
[INFO] running `Command { std: "docker" "start" "-a" "b789ea2d9f7339e6ef0831fe230c578f77bb2e0c766817528fbb0a4b92febe49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling rcom v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.60s
[INFO] running `Command { std: "docker" "inspect" "b789ea2d9f7339e6ef0831fe230c578f77bb2e0c766817528fbb0a4b92febe49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b789ea2d9f7339e6ef0831fe230c578f77bb2e0c766817528fbb0a4b92febe49", kill_on_drop: false }`
[INFO] [stdout] b789ea2d9f7339e6ef0831fe230c578f77bb2e0c766817528fbb0a4b92febe49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 38f95e1fff0b2d5f7886b14239355f14fd5c45ab181ae47aa55c0104166da3bf
[INFO] running `Command { std: "docker" "start" "-a" "38f95e1fff0b2d5f7886b14239355f14fd5c45ab181ae47aa55c0104166da3bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rcom v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "38f95e1fff0b2d5f7886b14239355f14fd5c45ab181ae47aa55c0104166da3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f95e1fff0b2d5f7886b14239355f14fd5c45ab181ae47aa55c0104166da3bf", kill_on_drop: false }`
[INFO] [stdout] 38f95e1fff0b2d5f7886b14239355f14fd5c45ab181ae47aa55c0104166da3bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 13121749fb89e499401790d8c61fee7bc4d7ae20142fa697272dfabd367fb6ae
[INFO] running `Command { std: "docker" "start" "-a" "13121749fb89e499401790d8c61fee7bc4d7ae20142fa697272dfabd367fb6ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcom-e3c56516bec6c48e)
[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" "13121749fb89e499401790d8c61fee7bc4d7ae20142fa697272dfabd367fb6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13121749fb89e499401790d8c61fee7bc4d7ae20142fa697272dfabd367fb6ae", kill_on_drop: false }`
[INFO] [stdout] 13121749fb89e499401790d8c61fee7bc4d7ae20142fa697272dfabd367fb6ae