[INFO] cloning repository https://github.com/servo/servo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/servo/servo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fservo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fservo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c23adde5a33348aa38f7c2ad22bf96d91dcc7b33
[INFO] documenting servo/servo against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fservo" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/servo/servo 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] removed /workspace/builds/worker-35/source/.cargo/config
[INFO] removed /workspace/builds/worker-35/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/servo/servo
[INFO] finished tweaking git repo https://github.com/servo/servo
[INFO] tweaked toml for git repo https://github.com/servo/servo written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/servo/servo 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 39b77f0eedb6bb2489af3446b45d38b5a7210a05c7137336d9fcbbdf4031d374
[INFO] running `Command { std: "docker" "start" "-a" "39b77f0eedb6bb2489af3446b45d38b5a7210a05c7137336d9fcbbdf4031d374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39b77f0eedb6bb2489af3446b45d38b5a7210a05c7137336d9fcbbdf4031d374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b77f0eedb6bb2489af3446b45d38b5a7210a05c7137336d9fcbbdf4031d374", kill_on_drop: false }`
[INFO] [stdout] 39b77f0eedb6bb2489af3446b45d38b5a7210a05c7137336d9fcbbdf4031d374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] a7e5e7eb2780fb138a9746c24466365a8b9454e26fbeb83347235bca0f1773a2
[INFO] running `Command { std: "docker" "start" "-a" "a7e5e7eb2780fb138a9746c24466365a8b9454e26fbeb83347235bca0f1773a2", kill_on_drop: false }`
[INFO] [stderr] error: document output filename collision
[INFO] [stderr] The lib `layout` in package `layout_2020 v0.0.1 (/opt/rustwide/workdir/components/layout_2020)` has the same name as the lib `layout` in package `layout_2013 v0.0.1 (/opt/rustwide/workdir/components/layout)`.
[INFO] [stderr] Only one may be documented at once since they output to the same path.
[INFO] [stderr] Consider documenting only one, renaming one, or marking one with `doc = false` in Cargo.toml.
[INFO] running `Command { std: "docker" "inspect" "a7e5e7eb2780fb138a9746c24466365a8b9454e26fbeb83347235bca0f1773a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e5e7eb2780fb138a9746c24466365a8b9454e26fbeb83347235bca0f1773a2", kill_on_drop: false }`
[INFO] [stdout] a7e5e7eb2780fb138a9746c24466365a8b9454e26fbeb83347235bca0f1773a2