[INFO] fetching crate bright 0.4.0...
[INFO] documenting bright-0.4.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate bright 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bright 0.4.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bright 0.4.0
[INFO] finished tweaking crates.io crate bright 0.4.0
[INFO] tweaked toml for crates.io crate bright 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate bright 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be63d7fa6995889a85a8d71f8c5073a95cd0cc1a863cc5cf8e5bf019a3d295f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be63d7fa6995889a85a8d71f8c5073a95cd0cc1a863cc5cf8e5bf019a3d295f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be63d7fa6995889a85a8d71f8c5073a95cd0cc1a863cc5cf8e5bf019a3d295f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be63d7fa6995889a85a8d71f8c5073a95cd0cc1a863cc5cf8e5bf019a3d295f4", kill_on_drop: false }`
[INFO] [stdout] be63d7fa6995889a85a8d71f8c5073a95cd0cc1a863cc5cf8e5bf019a3d295f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc235db49e88ce1129d3379a00d8822af16692ffb5e7c658771d04fb763fe545
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dc235db49e88ce1129d3379a00d8822af16692ffb5e7c658771d04fb763fe545", kill_on_drop: false }`
[INFO] [stderr]  Documenting bright v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "dc235db49e88ce1129d3379a00d8822af16692ffb5e7c658771d04fb763fe545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc235db49e88ce1129d3379a00d8822af16692ffb5e7c658771d04fb763fe545", kill_on_drop: false }`
[INFO] [stdout] dc235db49e88ce1129d3379a00d8822af16692ffb5e7c658771d04fb763fe545