[INFO] fetching crate machine-uid 0.2.0...
[INFO] documenting machine-uid-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate machine-uid 0.2.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate machine-uid 0.2.0 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 machine-uid 0.2.0
[INFO] finished tweaking crates.io crate machine-uid 0.2.0
[INFO] tweaked toml for crates.io crate machine-uid 0.2.0 written to /workspace/builds/worker-27/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] [stderr]     Blocking waiting for file lock on package cache
[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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 8f3c67d13ce86b7da701d82e7cc2e375edbc4bc84eb34841e6f3efcf8ed31ef2
[INFO] running `Command { std: "docker" "start" "-a" "8f3c67d13ce86b7da701d82e7cc2e375edbc4bc84eb34841e6f3efcf8ed31ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f3c67d13ce86b7da701d82e7cc2e375edbc4bc84eb34841e6f3efcf8ed31ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3c67d13ce86b7da701d82e7cc2e375edbc4bc84eb34841e6f3efcf8ed31ef2", kill_on_drop: false }`
[INFO] [stdout] 8f3c67d13ce86b7da701d82e7cc2e375edbc4bc84eb34841e6f3efcf8ed31ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 0affc441cfd23f25ca92c5ce3add9085694ae3d8ce20e2e7bddf2786c37a8f04
[INFO] running `Command { std: "docker" "start" "-a" "0affc441cfd23f25ca92c5ce3add9085694ae3d8ce20e2e7bddf2786c37a8f04", kill_on_drop: false }`
[INFO] [stderr]  Documenting machine-uid v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "0affc441cfd23f25ca92c5ce3add9085694ae3d8ce20e2e7bddf2786c37a8f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0affc441cfd23f25ca92c5ce3add9085694ae3d8ce20e2e7bddf2786c37a8f04", kill_on_drop: false }`
[INFO] [stdout] 0affc441cfd23f25ca92c5ce3add9085694ae3d8ce20e2e7bddf2786c37a8f04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] b420dac693648f5ae17d41b7f2ce41729e58c3fb650395325bccd402fe7734c3
[INFO] running `Command { std: "docker" "start" "-a" "b420dac693648f5ae17d41b7f2ce41729e58c3fb650395325bccd402fe7734c3", kill_on_drop: false }`
[INFO] [stderr]  Documenting machine-uid v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "b420dac693648f5ae17d41b7f2ce41729e58c3fb650395325bccd402fe7734c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b420dac693648f5ae17d41b7f2ce41729e58c3fb650395325bccd402fe7734c3", kill_on_drop: false }`
[INFO] [stdout] b420dac693648f5ae17d41b7f2ce41729e58c3fb650395325bccd402fe7734c3