[INFO] fetching crate simple-mutex 1.1.5...
[INFO] documenting simple-mutex-1.1.5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate simple-mutex 1.1.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate simple-mutex 1.1.5 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 simple-mutex 1.1.5
[INFO] finished tweaking crates.io crate simple-mutex 1.1.5
[INFO] tweaked toml for crates.io crate simple-mutex 1.1.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate simple-mutex 1.1.5 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 event-listener v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 72ad96485b30528a14ab54bd4b0e83132894cce05406923bfce5d7522e59a133
[INFO] running `Command { std: "docker" "start" "-a" "72ad96485b30528a14ab54bd4b0e83132894cce05406923bfce5d7522e59a133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72ad96485b30528a14ab54bd4b0e83132894cce05406923bfce5d7522e59a133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ad96485b30528a14ab54bd4b0e83132894cce05406923bfce5d7522e59a133", kill_on_drop: false }`
[INFO] [stdout] 72ad96485b30528a14ab54bd4b0e83132894cce05406923bfce5d7522e59a133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dde8a22ad40ce3e433f8d72c255b4ed80c72727b9cf4a71c5b6ace76c6e6ed4d
[INFO] running `Command { std: "docker" "start" "-a" "dde8a22ad40ce3e433f8d72c255b4ed80c72727b9cf4a71c5b6ace76c6e6ed4d", kill_on_drop: false }`
[INFO] [stderr]     Checking event-listener v2.0.0
[INFO] [stderr]  Documenting simple-mutex v1.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "dde8a22ad40ce3e433f8d72c255b4ed80c72727b9cf4a71c5b6ace76c6e6ed4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde8a22ad40ce3e433f8d72c255b4ed80c72727b9cf4a71c5b6ace76c6e6ed4d", kill_on_drop: false }`
[INFO] [stdout] dde8a22ad40ce3e433f8d72c255b4ed80c72727b9cf4a71c5b6ace76c6e6ed4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] e88a6f3c583622a5c98524b4f38ecb64a34cd021d85dfeb9b093b0dec9f28c3e
[INFO] running `Command { std: "docker" "start" "-a" "e88a6f3c583622a5c98524b4f38ecb64a34cd021d85dfeb9b093b0dec9f28c3e", kill_on_drop: false }`
[INFO] [stderr]     Checking event-listener v2.0.0
[INFO] [stderr]  Documenting simple-mutex v1.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "e88a6f3c583622a5c98524b4f38ecb64a34cd021d85dfeb9b093b0dec9f28c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88a6f3c583622a5c98524b4f38ecb64a34cd021d85dfeb9b093b0dec9f28c3e", kill_on_drop: false }`
[INFO] [stdout] e88a6f3c583622a5c98524b4f38ecb64a34cd021d85dfeb9b093b0dec9f28c3e