[INFO] cloning repository https://github.com/pbzweihander/echobot-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/echobot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fechobot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fechobot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81aa4a5c012063b241b23b484850ad378ed9a671
[INFO] documenting pbzweihander/echobot-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%2Fechobot-rs" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pbzweihander/echobot-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/echobot-rs
[INFO] finished tweaking git repo https://github.com/pbzweihander/echobot-rs
[INFO] tweaked toml for git repo https://github.com/pbzweihander/echobot-rs written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/pbzweihander/echobot-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf-8 v0.7.1
[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] [stderr]   Downloaded url v1.5.1
[INFO] [stderr]   Downloaded schannel v0.1.7
[INFO] [stderr]   Downloaded openssl-sys v0.9.17
[INFO] [stderr]   Downloaded openssl v0.9.17
[INFO] [stderr]   Downloaded serde v1.0.14
[INFO] [stderr]   Downloaded futures v0.1.16
[INFO] [stderr]   Downloaded futures-cpupool v0.1.6
[INFO] [stderr]   Downloaded mime v0.3.3
[INFO] [stderr]   Downloaded serde_derive v1.0.15
[INFO] [stderr]   Downloaded libflate v0.1.11
[INFO] [stderr]   Downloaded mio v0.6.10
[INFO] [stderr]   Downloaded tokio-core v0.1.9
[INFO] [stderr]   Downloaded hyper v0.11.2
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded num_cpus v1.6.2
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded serde_json v1.0.3
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded reqwest v0.7.3
[INFO] [stderr]   Downloaded iovec v0.1.0
[INFO] [stderr]   Downloaded tungstenite v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] cd8d9053f72477b9f7c8d68741990264134b4a425fc8730218bc8cb35619bfe9
[INFO] running `Command { std: "docker" "start" "-a" "cd8d9053f72477b9f7c8d68741990264134b4a425fc8730218bc8cb35619bfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8d9053f72477b9f7c8d68741990264134b4a425fc8730218bc8cb35619bfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8d9053f72477b9f7c8d68741990264134b4a425fc8730218bc8cb35619bfe9", kill_on_drop: false }`
[INFO] [stdout] cd8d9053f72477b9f7c8d68741990264134b4a425fc8730218bc8cb35619bfe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] c8f456a2000f646f601b9a20e430a90eecba2d5182dae660690a46aba8f8af5b
[INFO] running `Command { std: "docker" "start" "-a" "c8f456a2000f646f601b9a20e430a90eecba2d5182dae660690a46aba8f8af5b", 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" "c8f456a2000f646f601b9a20e430a90eecba2d5182dae660690a46aba8f8af5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f456a2000f646f601b9a20e430a90eecba2d5182dae660690a46aba8f8af5b", kill_on_drop: false }`
[INFO] [stdout] c8f456a2000f646f601b9a20e430a90eecba2d5182dae660690a46aba8f8af5b