[INFO] fetching crate ratchet_ext 0.1.4...
[INFO] documenting ratchet_ext-0.1.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ratchet_ext 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ratchet_ext 0.1.4 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 ratchet_ext 0.1.4
[INFO] finished tweaking crates.io crate ratchet_ext 0.1.4
[INFO] tweaked toml for crates.io crate ratchet_ext 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b6e78362d31c5dfca22c1da9cf09d0d6f73d5c3596e142ebcce342187f221b3d
[INFO] running `Command { std: "docker" "start" "-a" "b6e78362d31c5dfca22c1da9cf09d0d6f73d5c3596e142ebcce342187f221b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6e78362d31c5dfca22c1da9cf09d0d6f73d5c3596e142ebcce342187f221b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e78362d31c5dfca22c1da9cf09d0d6f73d5c3596e142ebcce342187f221b3d", kill_on_drop: false }`
[INFO] [stdout] b6e78362d31c5dfca22c1da9cf09d0d6f73d5c3596e142ebcce342187f221b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b1b3503bdda4ab8a7b0bacd4ca9e7924cb1c7a060e70c81adfe11dba2b54d299
[INFO] running `Command { std: "docker" "start" "-a" "b1b3503bdda4ab8a7b0bacd4ca9e7924cb1c7a060e70c81adfe11dba2b54d299", kill_on_drop: false }`
[INFO] [stderr]  Documenting ratchet_ext v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "b1b3503bdda4ab8a7b0bacd4ca9e7924cb1c7a060e70c81adfe11dba2b54d299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b3503bdda4ab8a7b0bacd4ca9e7924cb1c7a060e70c81adfe11dba2b54d299", kill_on_drop: false }`
[INFO] [stdout] b1b3503bdda4ab8a7b0bacd4ca9e7924cb1c7a060e70c81adfe11dba2b54d299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8a608a46e710308de3a7af139bfa2e7504f1a68de907597c839a97a524a4486e
[INFO] running `Command { std: "docker" "start" "-a" "8a608a46e710308de3a7af139bfa2e7504f1a68de907597c839a97a524a4486e", kill_on_drop: false }`
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]  Documenting ratchet_ext v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "8a608a46e710308de3a7af139bfa2e7504f1a68de907597c839a97a524a4486e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a608a46e710308de3a7af139bfa2e7504f1a68de907597c839a97a524a4486e", kill_on_drop: false }`
[INFO] [stdout] 8a608a46e710308de3a7af139bfa2e7504f1a68de907597c839a97a524a4486e