[INFO] fetching crate mdbook-bibfile-referencing 0.1.0...
[INFO] documenting mdbook-bibfile-referencing-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mdbook-bibfile-referencing 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mdbook-bibfile-referencing 0.1.0 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 mdbook-bibfile-referencing 0.1.0
[INFO] finished tweaking crates.io crate mdbook-bibfile-referencing 0.1.0
[INFO] tweaked toml for crates.io crate mdbook-bibfile-referencing 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mdbook-bibfile-referencing 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] bf5a741c04a45d94735af6cc236b01314e8c138ed9440856eec1ffd22608b4f4
[INFO] running `Command { std: "docker" "start" "-a" "bf5a741c04a45d94735af6cc236b01314e8c138ed9440856eec1ffd22608b4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf5a741c04a45d94735af6cc236b01314e8c138ed9440856eec1ffd22608b4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5a741c04a45d94735af6cc236b01314e8c138ed9440856eec1ffd22608b4f4", kill_on_drop: false }`
[INFO] [stdout] bf5a741c04a45d94735af6cc236b01314e8c138ed9440856eec1ffd22608b4f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e10391a98e481d599aec2660e49f8b63bdee8bd0e6e4aae56e0d09c3cb722a33
[INFO] running `Command { std: "docker" "start" "-a" "e10391a98e481d599aec2660e49f8b63bdee8bd0e6e4aae56e0d09c3cb722a33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
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[INFO] [stderr]    Compiling memchr v2.4.0
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[INFO] [stderr]    Compiling pest v2.1.3
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[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
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[INFO] [stderr]     Checking handlebars v4.1.0
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking mdbook v0.4.10
[INFO] [stderr]  Documenting mdbook-bibfile-referencing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.11s
[INFO] running `Command { std: "docker" "inspect" "e10391a98e481d599aec2660e49f8b63bdee8bd0e6e4aae56e0d09c3cb722a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10391a98e481d599aec2660e49f8b63bdee8bd0e6e4aae56e0d09c3cb722a33", kill_on_drop: false }`
[INFO] [stdout] e10391a98e481d599aec2660e49f8b63bdee8bd0e6e4aae56e0d09c3cb722a33