[INFO] fetching crate rcap 0.1.4...
[INFO] documenting rcap-0.1.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rcap 0.1.4 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate rcap 0.1.4 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 rcap 0.1.4
[INFO] finished tweaking crates.io crate rcap 0.1.4
[INFO] tweaked toml for crates.io crate rcap 0.1.4 written to /workspace/builds/worker-18/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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 4224b5f8ba1006af1bfde9e53e7c0d7f0880094adf3925cc0ad654609e8ef716
[INFO] running `Command { std: "docker" "start" "-a" "4224b5f8ba1006af1bfde9e53e7c0d7f0880094adf3925cc0ad654609e8ef716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4224b5f8ba1006af1bfde9e53e7c0d7f0880094adf3925cc0ad654609e8ef716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4224b5f8ba1006af1bfde9e53e7c0d7f0880094adf3925cc0ad654609e8ef716", kill_on_drop: false }`
[INFO] [stdout] 4224b5f8ba1006af1bfde9e53e7c0d7f0880094adf3925cc0ad654609e8ef716
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 6a794561a6b823ddc1eff07f135ab041ae7d759ddc85deea2944de942d569bad
[INFO] running `Command { std: "docker" "start" "-a" "6a794561a6b823ddc1eff07f135ab041ae7d759ddc85deea2944de942d569bad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling rcap v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rcap v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "6a794561a6b823ddc1eff07f135ab041ae7d759ddc85deea2944de942d569bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a794561a6b823ddc1eff07f135ab041ae7d759ddc85deea2944de942d569bad", kill_on_drop: false }`
[INFO] [stdout] 6a794561a6b823ddc1eff07f135ab041ae7d759ddc85deea2944de942d569bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] c1a114e7180965c70f18bb5d3ea5dc06a6fa87ec7cf71281f26000102724f138
[INFO] running `Command { std: "docker" "start" "-a" "c1a114e7180965c70f18bb5d3ea5dc06a6fa87ec7cf71281f26000102724f138", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling rcap v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rcap v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "c1a114e7180965c70f18bb5d3ea5dc06a6fa87ec7cf71281f26000102724f138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a114e7180965c70f18bb5d3ea5dc06a6fa87ec7cf71281f26000102724f138", kill_on_drop: false }`
[INFO] [stdout] c1a114e7180965c70f18bb5d3ea5dc06a6fa87ec7cf71281f26000102724f138