[INFO] fetching crate clout 0.2.0...
[INFO] documenting clout-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate clout 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate clout 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 clout 0.2.0
[INFO] finished tweaking crates.io crate clout 0.2.0
[INFO] tweaked toml for crates.io crate clout 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate clout 0.2.0 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] [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] b550d9fc623fcdf1a4db0f5bc900012a13d37abc3d260558f33f631adc68bde4
[INFO] running `Command { std: "docker" "start" "-a" "b550d9fc623fcdf1a4db0f5bc900012a13d37abc3d260558f33f631adc68bde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b550d9fc623fcdf1a4db0f5bc900012a13d37abc3d260558f33f631adc68bde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b550d9fc623fcdf1a4db0f5bc900012a13d37abc3d260558f33f631adc68bde4", kill_on_drop: false }`
[INFO] [stdout] b550d9fc623fcdf1a4db0f5bc900012a13d37abc3d260558f33f631adc68bde4
[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] 191f7b0a080c4a608d4e87d60acae8574d180e311e9f0ebddd2553510393bebd
[INFO] running `Command { std: "docker" "start" "-a" "191f7b0a080c4a608d4e87d60acae8574d180e311e9f0ebddd2553510393bebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]  Documenting clout v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "191f7b0a080c4a608d4e87d60acae8574d180e311e9f0ebddd2553510393bebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191f7b0a080c4a608d4e87d60acae8574d180e311e9f0ebddd2553510393bebd", kill_on_drop: false }`
[INFO] [stdout] 191f7b0a080c4a608d4e87d60acae8574d180e311e9f0ebddd2553510393bebd
[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] ffb220f900fc795ee5cef779d7a17cbb2ccb089affb954c4672270934f6cd852
[INFO] running `Command { std: "docker" "start" "-a" "ffb220f900fc795ee5cef779d7a17cbb2ccb089affb954c4672270934f6cd852", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]  Documenting clout v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "ffb220f900fc795ee5cef779d7a17cbb2ccb089affb954c4672270934f6cd852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb220f900fc795ee5cef779d7a17cbb2ccb089affb954c4672270934f6cd852", kill_on_drop: false }`
[INFO] [stdout] ffb220f900fc795ee5cef779d7a17cbb2ccb089affb954c4672270934f6cd852