[INFO] fetching crate chess-engine 0.1.2...
[INFO] documenting chess-engine-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate chess-engine 0.1.2 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate chess-engine 0.1.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chess-engine 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate chess-engine 0.1.2
[INFO] tweaked toml for crates.io crate chess-engine 0.1.2 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate chess-engine 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a83e7c65655d2c7191861ce0d7396117ec82b625b82a2a9e050dcc500b0cf6b
[INFO] running `Command { std: "docker" "start" "-a" "1a83e7c65655d2c7191861ce0d7396117ec82b625b82a2a9e050dcc500b0cf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a83e7c65655d2c7191861ce0d7396117ec82b625b82a2a9e050dcc500b0cf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a83e7c65655d2c7191861ce0d7396117ec82b625b82a2a9e050dcc500b0cf6b", kill_on_drop: false }`
[INFO] [stdout] 1a83e7c65655d2c7191861ce0d7396117ec82b625b82a2a9e050dcc500b0cf6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55346b5e15d84f65afd9db37ec9db3099090875a8863c42007a3672f8fafc6fe
[INFO] running `Command { std: "docker" "start" "-a" "55346b5e15d84f65afd9db37ec9db3099090875a8863c42007a3672f8fafc6fe", kill_on_drop: false }`
[INFO] [stderr]     Checking chess-engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting chess-engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "55346b5e15d84f65afd9db37ec9db3099090875a8863c42007a3672f8fafc6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55346b5e15d84f65afd9db37ec9db3099090875a8863c42007a3672f8fafc6fe", kill_on_drop: false }`
[INFO] [stdout] 55346b5e15d84f65afd9db37ec9db3099090875a8863c42007a3672f8fafc6fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 3d15850ad1215f6df21170da0a217f9508adf45a782470e1f82e7864e68eb732
[INFO] running `Command { std: "docker" "start" "-a" "3d15850ad1215f6df21170da0a217f9508adf45a782470e1f82e7864e68eb732", kill_on_drop: false }`
[INFO] [stderr]  Documenting chess-engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "3d15850ad1215f6df21170da0a217f9508adf45a782470e1f82e7864e68eb732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d15850ad1215f6df21170da0a217f9508adf45a782470e1f82e7864e68eb732", kill_on_drop: false }`
[INFO] [stdout] 3d15850ad1215f6df21170da0a217f9508adf45a782470e1f82e7864e68eb732