[INFO] cloning repository https://github.com/ilyagrishkov/libtraceroute
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilyagrishkov/libtraceroute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filyagrishkov%2Flibtraceroute", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filyagrishkov%2Flibtraceroute'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeff25b9c39ec9edc85b82fd0bf3eeb4c350c130
[INFO] documenting ilyagrishkov/libtraceroute against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filyagrishkov%2Flibtraceroute" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilyagrishkov/libtraceroute 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/ilyagrishkov/libtraceroute
[INFO] finished tweaking git repo https://github.com/ilyagrishkov/libtraceroute
[INFO] tweaked toml for git repo https://github.com/ilyagrishkov/libtraceroute written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/ilyagrishkov/libtraceroute 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded pnet_base v0.27.2
[INFO] [stderr]   Downloaded js-sys v0.3.42
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded ipnetwork v0.17.0
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded pnet_macros v0.27.2
[INFO] [stderr]   Downloaded pnet_transport v0.27.2
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.65
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.65
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]   Downloaded pnet_macros_support v0.27.2
[INFO] [stderr]   Downloaded pnet_sys v0.27.2
[INFO] [stderr]   Downloaded pnet_packet v0.27.2
[INFO] [stderr]   Downloaded pnet v0.27.2
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.65
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.65
[INFO] [stderr]   Downloaded web-sys v0.3.42
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.15
[INFO] [stderr]   Downloaded pnet_datalink v0.27.2
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] c0a0b12811e590422ddc5ac0646ffd15f7c303f9bc9de99f6721c73650a7b299
[INFO] running `Command { std: "docker" "start" "-a" "c0a0b12811e590422ddc5ac0646ffd15f7c303f9bc9de99f6721c73650a7b299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0a0b12811e590422ddc5ac0646ffd15f7c303f9bc9de99f6721c73650a7b299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a0b12811e590422ddc5ac0646ffd15f7c303f9bc9de99f6721c73650a7b299", kill_on_drop: false }`
[INFO] [stdout] c0a0b12811e590422ddc5ac0646ffd15f7c303f9bc9de99f6721c73650a7b299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] d541a406fb8abb7ad84d962a46f4149a2f6b71e8e5e04405305efa026dbb0e87
[INFO] running `Command { std: "docker" "start" "-a" "d541a406fb8abb7ad84d962a46f4149a2f6b71e8e5e04405305efa026dbb0e87", 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" "d541a406fb8abb7ad84d962a46f4149a2f6b71e8e5e04405305efa026dbb0e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d541a406fb8abb7ad84d962a46f4149a2f6b71e8e5e04405305efa026dbb0e87", kill_on_drop: false }`
[INFO] [stdout] d541a406fb8abb7ad84d962a46f4149a2f6b71e8e5e04405305efa026dbb0e87