[INFO] fetching crate abackus 0.2.6...
[INFO] documenting abackus-0.2.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate abackus 0.2.6 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate abackus 0.2.6 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 abackus 0.2.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate abackus 0.2.6
[INFO] tweaked toml for crates.io crate abackus 0.2.6 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate abackus 0.2.6 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] bc89417307d972cc306bc7fc8c45cd4ffbf11fbfe4d90e42325219a4d3f74b3a
[INFO] running `Command { std: "docker" "start" "-a" "bc89417307d972cc306bc7fc8c45cd4ffbf11fbfe4d90e42325219a4d3f74b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc89417307d972cc306bc7fc8c45cd4ffbf11fbfe4d90e42325219a4d3f74b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc89417307d972cc306bc7fc8c45cd4ffbf11fbfe4d90e42325219a4d3f74b3a", kill_on_drop: false }`
[INFO] [stdout] bc89417307d972cc306bc7fc8c45cd4ffbf11fbfe4d90e42325219a4d3f74b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ecaa197a5e2640e52ba0e932c5e0844641b28219a49464172d7266cb6e87d2fd
[INFO] running `Command { std: "docker" "start" "-a" "ecaa197a5e2640e52ba0e932c5e0844641b28219a49464172d7266cb6e87d2fd", kill_on_drop: false }`
[INFO] [stderr]     Checking lexers v0.1.4
[INFO] [stderr]     Checking earlgrey v0.3.1
[INFO] [stderr]  Documenting abackus v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "ecaa197a5e2640e52ba0e932c5e0844641b28219a49464172d7266cb6e87d2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaa197a5e2640e52ba0e932c5e0844641b28219a49464172d7266cb6e87d2fd", kill_on_drop: false }`
[INFO] [stdout] ecaa197a5e2640e52ba0e932c5e0844641b28219a49464172d7266cb6e87d2fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 17c72458714042fd2816189d4c3611393fed90ff1d4efaefe5e66a2c6eb5a7be
[INFO] running `Command { std: "docker" "start" "-a" "17c72458714042fd2816189d4c3611393fed90ff1d4efaefe5e66a2c6eb5a7be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking earlgrey v0.3.1
[INFO] [stderr]     Checking lexers v0.1.4
[INFO] [stderr]  Documenting abackus v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "17c72458714042fd2816189d4c3611393fed90ff1d4efaefe5e66a2c6eb5a7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c72458714042fd2816189d4c3611393fed90ff1d4efaefe5e66a2c6eb5a7be", kill_on_drop: false }`
[INFO] [stdout] 17c72458714042fd2816189d4c3611393fed90ff1d4efaefe5e66a2c6eb5a7be