[INFO] cloning repository https://github.com/huhn511/rustdocs-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huhn511/rustdocs-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuhn511%2Frustdocs-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuhn511%2Frustdocs-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c02d4afeda2cedc4b8e05805575dd7ff588955e8
[INFO] building huhn511/rustdocs-demo against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuhn511%2Frustdocs-demo" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huhn511/rustdocs-demo on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huhn511/rustdocs-demo
[INFO] finished tweaking git repo https://github.com/huhn511/rustdocs-demo
[INFO] tweaked toml for git repo https://github.com/huhn511/rustdocs-demo written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/huhn511/rustdocs-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfb5a7c03b8b41cff4bc5c0d1265268d11ffb850e4f75fe092f2e20daa9d3718
[INFO] running `Command { std: "docker" "start" "-a" "dfb5a7c03b8b41cff4bc5c0d1265268d11ffb850e4f75fe092f2e20daa9d3718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfb5a7c03b8b41cff4bc5c0d1265268d11ffb850e4f75fe092f2e20daa9d3718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb5a7c03b8b41cff4bc5c0d1265268d11ffb850e4f75fe092f2e20daa9d3718", kill_on_drop: false }`
[INFO] [stdout] dfb5a7c03b8b41cff4bc5c0d1265268d11ffb850e4f75fe092f2e20daa9d3718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "RUSTFLAGS=--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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f742031a321685b761acd539cc986ac689102d32b3f53c61dbd3206aa45ff33e
[INFO] running `Command { std: "docker" "start" "-a" "f742031a321685b761acd539cc986ac689102d32b3f53c61dbd3206aa45ff33e", 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" "f742031a321685b761acd539cc986ac689102d32b3f53c61dbd3206aa45ff33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f742031a321685b761acd539cc986ac689102d32b3f53c61dbd3206aa45ff33e", kill_on_drop: false }`
[INFO] [stdout] f742031a321685b761acd539cc986ac689102d32b3f53c61dbd3206aa45ff33e