[INFO] cloning repository https://github.com/benhunter/rs-echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benhunter/rs-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhunter%2Frs-echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhunter%2Frs-echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7a4e2c0572720d24319b30e29b6f30a47c16f8a
[INFO] documenting benhunter/rs-echo/d7a4e2c0572720d24319b30e29b6f30a47c16f8a against beta-2024-09-05 for beta-1.82-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhunter%2Frs-echo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benhunter/rs-echo on toolchain beta-2024-09-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-09-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benhunter/rs-echo
[INFO] finished tweaking git repo https://github.com/benhunter/rs-echo
[INFO] tweaked toml for git repo https://github.com/benhunter/rs-echo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/benhunter/rs-echo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-09-05" "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
[ERROR] error running command: no output for 300 seconds
[INFO] documenting benhunter/rs-echo/d7a4e2c0572720d24319b30e29b6f30a47c16f8a against beta-2024-09-05 for beta-1.82-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhunter%2Frs-echo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benhunter/rs-echo on toolchain beta-2024-09-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-09-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benhunter/rs-echo
[INFO] finished tweaking git repo https://github.com/benhunter/rs-echo
[INFO] tweaked toml for git repo https://github.com/benhunter/rs-echo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/benhunter/rs-echo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-09-05" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a8c43efd54658bec475a9aca28f265c83f9075d3bffaf057c72048a7b41cebc
[INFO] running `Command { std: "docker" "start" "-a" "4a8c43efd54658bec475a9aca28f265c83f9075d3bffaf057c72048a7b41cebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a8c43efd54658bec475a9aca28f265c83f9075d3bffaf057c72048a7b41cebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8c43efd54658bec475a9aca28f265c83f9075d3bffaf057c72048a7b41cebc", kill_on_drop: false }`
[INFO] [stdout] 4a8c43efd54658bec475a9aca28f265c83f9075d3bffaf057c72048a7b41cebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 968aa37afc5624b15fcb98cd2c279ebcf54a11f58cbedbe1a8a2eb02e1764625
[INFO] running `Command { std: "docker" "start" "-a" "968aa37afc5624b15fcb98cd2c279ebcf54a11f58cbedbe1a8a2eb02e1764625", kill_on_drop: false }`
[INFO] [stderr]  Documenting rs-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rs_echo/index.html
[INFO] running `Command { std: "docker" "inspect" "968aa37afc5624b15fcb98cd2c279ebcf54a11f58cbedbe1a8a2eb02e1764625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968aa37afc5624b15fcb98cd2c279ebcf54a11f58cbedbe1a8a2eb02e1764625", kill_on_drop: false }`
[INFO] [stdout] 968aa37afc5624b15fcb98cd2c279ebcf54a11f58cbedbe1a8a2eb02e1764625