[INFO] cloning repository https://github.com/aucker/refcycle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aucker/refcycle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faucker%2Frefcycle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faucker%2Frefcycle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12a9073cf58427e762911127da3d03bb09b576f5
[INFO] documenting aucker/refcycle against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faucker%2Frefcycle" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aucker/refcycle on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aucker/refcycle
[INFO] finished tweaking git repo https://github.com/aucker/refcycle
[INFO] tweaked toml for git repo https://github.com/aucker/refcycle written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/aucker/refcycle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6b679456a50f54a4bb29c9ed38622983c860b08c049928acb07f624323a5ce2
[INFO] running `Command { std: "docker" "start" "-a" "e6b679456a50f54a4bb29c9ed38622983c860b08c049928acb07f624323a5ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6b679456a50f54a4bb29c9ed38622983c860b08c049928acb07f624323a5ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b679456a50f54a4bb29c9ed38622983c860b08c049928acb07f624323a5ce2", kill_on_drop: false }`
[INFO] [stdout] e6b679456a50f54a4bb29c9ed38622983c860b08c049928acb07f624323a5ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5263ff3b9f922749d652fb7d4a8699964d1bdc3e77aaeed2b7512a6ea573dd1
[INFO] running `Command { std: "docker" "start" "-a" "d5263ff3b9f922749d652fb7d4a8699964d1bdc3e77aaeed2b7512a6ea573dd1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d5263ff3b9f922749d652fb7d4a8699964d1bdc3e77aaeed2b7512a6ea573dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5263ff3b9f922749d652fb7d4a8699964d1bdc3e77aaeed2b7512a6ea573dd1", kill_on_drop: false }`
[INFO] [stdout] d5263ff3b9f922749d652fb7d4a8699964d1bdc3e77aaeed2b7512a6ea573dd1