[INFO] cloning repository https://github.com/Websterix/UdpOverWebsocket----Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Websterix/UdpOverWebsocket----Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebsterix%2FUdpOverWebsocket----Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebsterix%2FUdpOverWebsocket----Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a39193ec8ae7482c3180245bd7909718a2cc639
[INFO] documenting Websterix/UdpOverWebsocket----Rust against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebsterix%2FUdpOverWebsocket----Rust" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Websterix/UdpOverWebsocket----Rust 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/Websterix/UdpOverWebsocket----Rust
[INFO] finished tweaking git repo https://github.com/Websterix/UdpOverWebsocket----Rust
[INFO] tweaked toml for git repo https://github.com/Websterix/UdpOverWebsocket----Rust written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/Websterix/UdpOverWebsocket----Rust 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 tokio-io v0.1.11
[INFO] [stderr]   Downloaded security-framework-sys v0.2.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.51
[INFO] [stderr]   Downloaded tempfile v3.0.7
[INFO] [stderr]   Downloaded security-framework v0.2.2
[INFO] [stderr]   Downloaded rand_os v0.1.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.41
[INFO] [stderr]   Downloaded tokio-executor v0.1.6
[INFO] [stderr]   Downloaded lock_api v0.1.5
[INFO] [stderr]   Downloaded tokio-uds v0.2.5
[INFO] [stderr]   Downloaded parking_lot_core v0.4.0
[INFO] [stderr]   Downloaded tokio-timer v0.2.10
[INFO] [stderr]   Downloaded tokio-udp v0.1.3
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.4
[INFO] [stderr]   Downloaded tokio-fs v0.1.5
[INFO] [stderr]   Downloaded tokio-sync v0.1.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.1
[INFO] [stderr]   Downloaded hyper v0.10.15
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] [stderr]   Downloaded owning_ref v0.4.0
[INFO] [stderr]   Downloaded openssl v0.10.18
[INFO] [stderr]   Downloaded regex v1.1.0
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded httparse v1.3.3
[INFO] [stderr]   Downloaded MacTypes-sys v2.1.0
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
[INFO] [stderr]   Downloaded tokio v0.1.15
[INFO] [stderr]   Downloaded cc v1.0.29
[INFO] [stderr]   Downloaded parking_lot v0.7.1
[INFO] [stderr]   Downloaded tokio-reactor v0.1.8
[INFO] [stderr]   Downloaded env_logger v0.6.0
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.11
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.8
[INFO] [stderr]   Downloaded crossbeam v0.6.0
[INFO] [stderr]   Downloaded bytes v0.4.11
[INFO] [stderr]   Downloaded native-tls v0.2.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded schannel v0.1.15
[INFO] [stderr]   Downloaded libc v0.2.49
[INFO] [stderr]   Downloaded futures v0.1.25
[INFO] [stderr]   Downloaded websocket v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 5d8a52ad34ad407f549c563801a21e07ea295b7155fc86a27e1ac47716bdf1b0
[INFO] running `Command { std: "docker" "start" "-a" "5d8a52ad34ad407f549c563801a21e07ea295b7155fc86a27e1ac47716bdf1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d8a52ad34ad407f549c563801a21e07ea295b7155fc86a27e1ac47716bdf1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8a52ad34ad407f549c563801a21e07ea295b7155fc86a27e1ac47716bdf1b0", kill_on_drop: false }`
[INFO] [stdout] 5d8a52ad34ad407f549c563801a21e07ea295b7155fc86a27e1ac47716bdf1b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 758f2226e546326daeb08b58161ccf469f60ab488e0d3ab70caf9dff8c393290
[INFO] running `Command { std: "docker" "start" "-a" "758f2226e546326daeb08b58161ccf469f60ab488e0d3ab70caf9dff8c393290", 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" "758f2226e546326daeb08b58161ccf469f60ab488e0d3ab70caf9dff8c393290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758f2226e546326daeb08b58161ccf469f60ab488e0d3ab70caf9dff8c393290", kill_on_drop: false }`
[INFO] [stdout] 758f2226e546326daeb08b58161ccf469f60ab488e0d3ab70caf9dff8c393290