[INFO] cloning repository https://github.com/pbzweihander/subtoml-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pbzweihander/subtoml-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fsubtoml-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fsubtoml-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a8628734716635f1f1813a9fe6c82208eb0a8ea
[INFO] documenting pbzweihander/subtoml-rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fsubtoml-rs" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pbzweihander/subtoml-rs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pbzweihander/subtoml-rs
[INFO] finished tweaking git repo https://github.com/pbzweihander/subtoml-rs
[INFO] tweaked toml for git repo https://github.com/pbzweihander/subtoml-rs written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/pbzweihander/subtoml-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded structopt-derive v0.2.16
[INFO] [stderr]   Downloaded structopt v0.2.16
[INFO] [stderr]   Downloaded combine v3.8.1
[INFO] [stderr]   Downloaded syn v0.15.35
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded termion v1.5.2
[INFO] [stderr]   Downloaded linked-hash-map v0.5.2
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded toml_edit v0.1.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded ascii v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd49a7e2b687624ba8b91abafbe55aa089784be493c75eaf530c7198590921e5
[INFO] running `Command { std: "docker" "start" "-a" "dd49a7e2b687624ba8b91abafbe55aa089784be493c75eaf530c7198590921e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd49a7e2b687624ba8b91abafbe55aa089784be493c75eaf530c7198590921e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd49a7e2b687624ba8b91abafbe55aa089784be493c75eaf530c7198590921e5", kill_on_drop: false }`
[INFO] [stdout] dd49a7e2b687624ba8b91abafbe55aa089784be493c75eaf530c7198590921e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e73b2190e3627ff04427ad3a20a5358ffc6a4355afeafce2ed47f8aedb49a02
[INFO] running `Command { std: "docker" "start" "-a" "8e73b2190e3627ff04427ad3a20a5358ffc6a4355afeafce2ed47f8aedb49a02", 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" "8e73b2190e3627ff04427ad3a20a5358ffc6a4355afeafce2ed47f8aedb49a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e73b2190e3627ff04427ad3a20a5358ffc6a4355afeafce2ed47f8aedb49a02", kill_on_drop: false }`
[INFO] [stdout] 8e73b2190e3627ff04427ad3a20a5358ffc6a4355afeafce2ed47f8aedb49a02