[INFO] fetching crate mdbook-classy 0.1.0...
[INFO] checking mdbook-classy-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate mdbook-classy 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mdbook-classy 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-classy 0.1.0
[INFO] finished tweaking crates.io crate mdbook-classy 0.1.0
[INFO] tweaked toml for crates.io crate mdbook-classy 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate mdbook-classy 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac86f31f109d021195bc5595e5b7373414cbd8aa6f267d4be2c72538efc89a07
[INFO] running `Command { std: "docker" "start" "-a" "ac86f31f109d021195bc5595e5b7373414cbd8aa6f267d4be2c72538efc89a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac86f31f109d021195bc5595e5b7373414cbd8aa6f267d4be2c72538efc89a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac86f31f109d021195bc5595e5b7373414cbd8aa6f267d4be2c72538efc89a07", kill_on_drop: false }`
[INFO] [stdout] ac86f31f109d021195bc5595e5b7373414cbd8aa6f267d4be2c72538efc89a07
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5b0b5042e18c197be76f18c3fc653bbe5e6b23d68110c241fa67b467a90a84
[INFO] running `Command { std: "docker" "start" "-a" "9b5b0b5042e18c197be76f18c3fc653bbe5e6b23d68110c241fa67b467a90a84", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
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[INFO] [stderr]    Compiling phf_generator v0.8.0
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[INFO] [stderr]     Checking warp v0.2.3
[INFO] [stderr]     Checking mdbook v0.4.0
[INFO] [stderr]     Checking mdbook-classy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.42s
[INFO] running `Command { std: "docker" "inspect" "9b5b0b5042e18c197be76f18c3fc653bbe5e6b23d68110c241fa67b467a90a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5b0b5042e18c197be76f18c3fc653bbe5e6b23d68110c241fa67b467a90a84", kill_on_drop: false }`
[INFO] [stdout] 9b5b0b5042e18c197be76f18c3fc653bbe5e6b23d68110c241fa67b467a90a84
