[INFO] fetching crate lv2rs-options 0.0.1...
[INFO] documenting lv2rs-options-0.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate lv2rs-options 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lv2rs-options 0.0.1 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 lv2rs-options 0.0.1
[INFO] finished tweaking crates.io crate lv2rs-options 0.0.1
[INFO] tweaked toml for crates.io crate lv2rs-options 0.0.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ff2b7d76a35d1f83f47e51c9f6e94842d1bbd6bb309862b91a24e7f16625ebc5
[INFO] running `Command { std: "docker" "start" "-a" "ff2b7d76a35d1f83f47e51c9f6e94842d1bbd6bb309862b91a24e7f16625ebc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff2b7d76a35d1f83f47e51c9f6e94842d1bbd6bb309862b91a24e7f16625ebc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2b7d76a35d1f83f47e51c9f6e94842d1bbd6bb309862b91a24e7f16625ebc5", kill_on_drop: false }`
[INFO] [stdout] ff2b7d76a35d1f83f47e51c9f6e94842d1bbd6bb309862b91a24e7f16625ebc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 472e2d60d4a3b570e7715d42494b1c33dc4a9fa770c5c23ea692f656816d6a34
[INFO] running `Command { std: "docker" "start" "-a" "472e2d60d4a3b570e7715d42494b1c33dc4a9fa770c5c23ea692f656816d6a34", kill_on_drop: false }`
[INFO] [stderr]  Documenting lv2rs-options v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "472e2d60d4a3b570e7715d42494b1c33dc4a9fa770c5c23ea692f656816d6a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472e2d60d4a3b570e7715d42494b1c33dc4a9fa770c5c23ea692f656816d6a34", kill_on_drop: false }`
[INFO] [stdout] 472e2d60d4a3b570e7715d42494b1c33dc4a9fa770c5c23ea692f656816d6a34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 345a75c03ee164d31f6316da894f472d596a4745dfe21caf3f9911ba72baaf5d
[INFO] running `Command { std: "docker" "start" "-a" "345a75c03ee164d31f6316da894f472d596a4745dfe21caf3f9911ba72baaf5d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting lv2rs-options v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "345a75c03ee164d31f6316da894f472d596a4745dfe21caf3f9911ba72baaf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345a75c03ee164d31f6316da894f472d596a4745dfe21caf3f9911ba72baaf5d", kill_on_drop: false }`
[INFO] [stdout] 345a75c03ee164d31f6316da894f472d596a4745dfe21caf3f9911ba72baaf5d