[INFO] fetching crate ruc 8.1.4...
[INFO] checking ruc-8.1.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate ruc 8.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ruc 8.1.4
[INFO] finished tweaking crates.io crate ruc 8.1.4
[INFO] tweaked toml for crates.io crate ruc 8.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruc 8.1.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ruc 8.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d92d1edbc20168d21d7d23f166ab3b51de625126856c8d2a48fde085275acf5e
[INFO] running `Command { std: "docker" "start" "-a" "d92d1edbc20168d21d7d23f166ab3b51de625126856c8d2a48fde085275acf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d92d1edbc20168d21d7d23f166ab3b51de625126856c8d2a48fde085275acf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92d1edbc20168d21d7d23f166ab3b51de625126856c8d2a48fde085275acf5e", kill_on_drop: false }`
[INFO] [stdout] d92d1edbc20168d21d7d23f166ab3b51de625126856c8d2a48fde085275acf5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93d2c8881b5700d13e0003734837e32be1c6fb1ca08a9f2cc7bfd0a303f460bd
[INFO] running `Command { std: "docker" "start" "-a" "93d2c8881b5700d13e0003734837e32be1c6fb1ca08a9f2cc7bfd0a303f460bd", kill_on_drop: false }`
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking ruc v8.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "93d2c8881b5700d13e0003734837e32be1c6fb1ca08a9f2cc7bfd0a303f460bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d2c8881b5700d13e0003734837e32be1c6fb1ca08a9f2cc7bfd0a303f460bd", kill_on_drop: false }`
[INFO] [stdout] 93d2c8881b5700d13e0003734837e32be1c6fb1ca08a9f2cc7bfd0a303f460bd