[INFO] fetching crate rsexp 0.2.3...
[INFO] documenting rsexp-0.2.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rsexp 0.2.3 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate rsexp 0.2.3 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 rsexp 0.2.3
[INFO] finished tweaking crates.io crate rsexp 0.2.3
[INFO] tweaked toml for crates.io crate rsexp 0.2.3 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate rsexp 0.2.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded tracing-log v0.1.2
[INFO] [stderr]   Downloaded sharded-slab v0.1.3
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded clap_derive v3.0.0
[INFO] [stderr]   Downloaded rsexp-derive v0.2.3
[INFO] [stderr]   Downloaded clap v3.0.0
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] b99f92f91ecb414deea16b7c8807f8e0b0bfa861b8510fcdfca46f0d424957d5
[INFO] running `Command { std: "docker" "start" "-a" "b99f92f91ecb414deea16b7c8807f8e0b0bfa861b8510fcdfca46f0d424957d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b99f92f91ecb414deea16b7c8807f8e0b0bfa861b8510fcdfca46f0d424957d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99f92f91ecb414deea16b7c8807f8e0b0bfa861b8510fcdfca46f0d424957d5", kill_on_drop: false }`
[INFO] [stdout] b99f92f91ecb414deea16b7c8807f8e0b0bfa861b8510fcdfca46f0d424957d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 9297e8596cb502515d8213f0702b5286dd31e2dda67f6d308e998733de1eb147
[INFO] running `Command { std: "docker" "start" "-a" "9297e8596cb502515d8213f0702b5286dd31e2dda67f6d308e998733de1eb147", kill_on_drop: false }`
[INFO] [stderr]  Documenting rsexp v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "9297e8596cb502515d8213f0702b5286dd31e2dda67f6d308e998733de1eb147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9297e8596cb502515d8213f0702b5286dd31e2dda67f6d308e998733de1eb147", kill_on_drop: false }`
[INFO] [stdout] 9297e8596cb502515d8213f0702b5286dd31e2dda67f6d308e998733de1eb147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 10e561ff6bb6b7c789e03daab6f769e550b875189632a4c2c8adbf87194417e3
[INFO] running `Command { std: "docker" "start" "-a" "10e561ff6bb6b7c789e03daab6f769e550b875189632a4c2c8adbf87194417e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting rsexp v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "10e561ff6bb6b7c789e03daab6f769e550b875189632a4c2c8adbf87194417e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e561ff6bb6b7c789e03daab6f769e550b875189632a4c2c8adbf87194417e3", kill_on_drop: false }`
[INFO] [stdout] 10e561ff6bb6b7c789e03daab6f769e550b875189632a4c2c8adbf87194417e3