[INFO] fetching crate muto 0.1.0...
[INFO] documenting muto-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate muto 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate muto 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 muto 0.1.0
[INFO] finished tweaking crates.io crate muto 0.1.0
[INFO] tweaked toml for crates.io crate muto 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate muto 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] 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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58d379e81dd2cb1800cebd0c5668978ce7ab0a8a37b8d109fcd33fb70f82bcd0
[INFO] running `Command { std: "docker" "start" "-a" "58d379e81dd2cb1800cebd0c5668978ce7ab0a8a37b8d109fcd33fb70f82bcd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d379e81dd2cb1800cebd0c5668978ce7ab0a8a37b8d109fcd33fb70f82bcd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d379e81dd2cb1800cebd0c5668978ce7ab0a8a37b8d109fcd33fb70f82bcd0", kill_on_drop: false }`
[INFO] [stdout] 58d379e81dd2cb1800cebd0c5668978ce7ab0a8a37b8d109fcd33fb70f82bcd0
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 364d1bbdca6cef72709b2ade5f870ee6a40747b37dfba277c4b61259e962639a
[INFO] running `Command { std: "docker" "start" "-a" "364d1bbdca6cef72709b2ade5f870ee6a40747b37dfba277c4b61259e962639a", kill_on_drop: false }`
[INFO] [stderr]  Documenting muto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "364d1bbdca6cef72709b2ade5f870ee6a40747b37dfba277c4b61259e962639a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364d1bbdca6cef72709b2ade5f870ee6a40747b37dfba277c4b61259e962639a", kill_on_drop: false }`
[INFO] [stdout] 364d1bbdca6cef72709b2ade5f870ee6a40747b37dfba277c4b61259e962639a
[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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] a73841b73080225227ead1194de3d2c5cfd5034f070a355dc8ad2283f528c2f3
[INFO] running `Command { std: "docker" "start" "-a" "a73841b73080225227ead1194de3d2c5cfd5034f070a355dc8ad2283f528c2f3", kill_on_drop: false }`
[INFO] [stderr]  Documenting muto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "a73841b73080225227ead1194de3d2c5cfd5034f070a355dc8ad2283f528c2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73841b73080225227ead1194de3d2c5cfd5034f070a355dc8ad2283f528c2f3", kill_on_drop: false }`
[INFO] [stdout] a73841b73080225227ead1194de3d2c5cfd5034f070a355dc8ad2283f528c2f3