[INFO] fetching crate chesshound 0.1.0...
[INFO] documenting chesshound-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate chesshound 0.1.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate chesshound 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chesshound 0.1.0
[INFO] finished tweaking crates.io crate chesshound 0.1.0
[INFO] tweaked toml for crates.io crate chesshound 0.1.0 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate crates.io crate chesshound 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded btoi v0.4.2
[INFO] [stderr]   Downloaded arrayvec v0.7.1
[INFO] [stderr]   Downloaded pgn-reader v0.18.0
[INFO] [stderr]   Downloaded shakmaty v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6efd0847d7f18368d6bbdb3d2fa4c9bdb24f578b6d80a4b566057417b4e30657
[INFO] running `Command { std: "docker" "start" "-a" "6efd0847d7f18368d6bbdb3d2fa4c9bdb24f578b6d80a4b566057417b4e30657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6efd0847d7f18368d6bbdb3d2fa4c9bdb24f578b6d80a4b566057417b4e30657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efd0847d7f18368d6bbdb3d2fa4c9bdb24f578b6d80a4b566057417b4e30657", kill_on_drop: false }`
[INFO] [stdout] 6efd0847d7f18368d6bbdb3d2fa4c9bdb24f578b6d80a4b566057417b4e30657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f411dff44ca1a3d514ab8bd92837460975ae45dd3814769b0612172ed0c4b4e0
[INFO] running `Command { std: "docker" "start" "-a" "f411dff44ca1a3d514ab8bd92837460975ae45dd3814769b0612172ed0c4b4e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling shakmaty v0.19.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking btoi v0.4.2
[INFO] [stderr]     Checking pgn-reader v0.18.0
[INFO] [stderr]  Documenting chesshound v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.98s
[INFO] running `Command { std: "docker" "inspect" "f411dff44ca1a3d514ab8bd92837460975ae45dd3814769b0612172ed0c4b4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f411dff44ca1a3d514ab8bd92837460975ae45dd3814769b0612172ed0c4b4e0", kill_on_drop: false }`
[INFO] [stdout] f411dff44ca1a3d514ab8bd92837460975ae45dd3814769b0612172ed0c4b4e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 466e59aa0b6b8b4ce18f7fc77aae371d85b6d52ba3fc6482beda27110fc38c1a
[INFO] running `Command { std: "docker" "start" "-a" "466e59aa0b6b8b4ce18f7fc77aae371d85b6d52ba3fc6482beda27110fc38c1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling shakmaty v0.19.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking btoi v0.4.2
[INFO] [stderr]     Checking pgn-reader v0.18.0
[INFO] [stderr]  Documenting chesshound v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "466e59aa0b6b8b4ce18f7fc77aae371d85b6d52ba3fc6482beda27110fc38c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466e59aa0b6b8b4ce18f7fc77aae371d85b6d52ba3fc6482beda27110fc38c1a", kill_on_drop: false }`
[INFO] [stdout] 466e59aa0b6b8b4ce18f7fc77aae371d85b6d52ba3fc6482beda27110fc38c1a