[INFO] fetching crate facebook 0.0.0...
[INFO] documenting facebook-0.0.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate facebook 0.0.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate facebook 0.0.0 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 facebook 0.0.0
[INFO] finished tweaking crates.io crate facebook 0.0.0
[INFO] tweaked toml for crates.io crate facebook 0.0.0 written to /workspace/builds/worker-88/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 83cfafc3b12d25ab0c15b8b3744475bc0320b9ccd64f04e5e3ad1f11fd38ce3c
[INFO] running `Command { std: "docker" "start" "-a" "83cfafc3b12d25ab0c15b8b3744475bc0320b9ccd64f04e5e3ad1f11fd38ce3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83cfafc3b12d25ab0c15b8b3744475bc0320b9ccd64f04e5e3ad1f11fd38ce3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83cfafc3b12d25ab0c15b8b3744475bc0320b9ccd64f04e5e3ad1f11fd38ce3c", kill_on_drop: false }`
[INFO] [stdout] 83cfafc3b12d25ab0c15b8b3744475bc0320b9ccd64f04e5e3ad1f11fd38ce3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] ec3b2f4f6fa4960d3aad5d876fa55a524575b833bc1aa3e9db79f4ececd61ca7
[INFO] running `Command { std: "docker" "start" "-a" "ec3b2f4f6fa4960d3aad5d876fa55a524575b833bc1aa3e9db79f4ececd61ca7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting facebook v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "ec3b2f4f6fa4960d3aad5d876fa55a524575b833bc1aa3e9db79f4ececd61ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3b2f4f6fa4960d3aad5d876fa55a524575b833bc1aa3e9db79f4ececd61ca7", kill_on_drop: false }`
[INFO] [stdout] ec3b2f4f6fa4960d3aad5d876fa55a524575b833bc1aa3e9db79f4ececd61ca7
