[INFO] fetching crate unsafety 0.1.0...
[INFO] documenting unsafety-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate unsafety 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate unsafety 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 unsafety 0.1.0
[INFO] finished tweaking crates.io crate unsafety 0.1.0
[INFO] tweaked toml for crates.io crate unsafety 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ac0ef9f3e18ca8f8ee15bbf6979064dcad5d79ca0ae5f5811c5e4757db9f2442
[INFO] running `Command { std: "docker" "start" "-a" "ac0ef9f3e18ca8f8ee15bbf6979064dcad5d79ca0ae5f5811c5e4757db9f2442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0ef9f3e18ca8f8ee15bbf6979064dcad5d79ca0ae5f5811c5e4757db9f2442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0ef9f3e18ca8f8ee15bbf6979064dcad5d79ca0ae5f5811c5e4757db9f2442", kill_on_drop: false }`
[INFO] [stdout] ac0ef9f3e18ca8f8ee15bbf6979064dcad5d79ca0ae5f5811c5e4757db9f2442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ffe02e497911e41e24fe38315fd2316fe70d5c9aab55aa405885ef1e296b7c8a
[INFO] running `Command { std: "docker" "start" "-a" "ffe02e497911e41e24fe38315fd2316fe70d5c9aab55aa405885ef1e296b7c8a", kill_on_drop: false }`
[INFO] [stderr]  Documenting unsafety v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "ffe02e497911e41e24fe38315fd2316fe70d5c9aab55aa405885ef1e296b7c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe02e497911e41e24fe38315fd2316fe70d5c9aab55aa405885ef1e296b7c8a", kill_on_drop: false }`
[INFO] [stdout] ffe02e497911e41e24fe38315fd2316fe70d5c9aab55aa405885ef1e296b7c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 77d3805dafc83fbd21dfe5425a72e4cd6450ba1702dff1220724b582c12cd5f4
[INFO] running `Command { std: "docker" "start" "-a" "77d3805dafc83fbd21dfe5425a72e4cd6450ba1702dff1220724b582c12cd5f4", kill_on_drop: false }`
[INFO] [stderr]  Documenting unsafety v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "77d3805dafc83fbd21dfe5425a72e4cd6450ba1702dff1220724b582c12cd5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d3805dafc83fbd21dfe5425a72e4cd6450ba1702dff1220724b582c12cd5f4", kill_on_drop: false }`
[INFO] [stdout] 77d3805dafc83fbd21dfe5425a72e4cd6450ba1702dff1220724b582c12cd5f4