[INFO] fetching crate bifrost-ice 0.1.0-alpha...
[INFO] documenting bifrost-ice-0.1.0-alpha against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate bifrost-ice 0.1.0-alpha into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bifrost-ice 0.1.0-alpha on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bifrost-ice 0.1.0-alpha
[INFO] finished tweaking crates.io crate bifrost-ice 0.1.0-alpha
[INFO] tweaked toml for crates.io crate bifrost-ice 0.1.0-alpha written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9c362a136fcbdb13138daaa147f244a20c4184cd5e06013c1037ab9e99de674
[INFO] running `Command { std: "docker" "start" "-a" "f9c362a136fcbdb13138daaa147f244a20c4184cd5e06013c1037ab9e99de674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9c362a136fcbdb13138daaa147f244a20c4184cd5e06013c1037ab9e99de674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c362a136fcbdb13138daaa147f244a20c4184cd5e06013c1037ab9e99de674", kill_on_drop: false }`
[INFO] [stdout] f9c362a136fcbdb13138daaa147f244a20c4184cd5e06013c1037ab9e99de674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2873a4665f3f8fabadc2b13ab948659dc714ffddb5ba0eac2f1e1b723845ae2
[INFO] running `Command { std: "docker" "start" "-a" "b2873a4665f3f8fabadc2b13ab948659dc714ffddb5ba0eac2f1e1b723845ae2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting bifrost-ice v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "b2873a4665f3f8fabadc2b13ab948659dc714ffddb5ba0eac2f1e1b723845ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2873a4665f3f8fabadc2b13ab948659dc714ffddb5ba0eac2f1e1b723845ae2", kill_on_drop: false }`
[INFO] [stdout] b2873a4665f3f8fabadc2b13ab948659dc714ffddb5ba0eac2f1e1b723845ae2
