[INFO] cloning repository https://github.com/Webd01/github
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Webd01/github" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebd01%2Fgithub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebd01%2Fgithub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9977f00ab62dcb6e72059dd489581f46bdbcc578
[INFO] documenting Webd01/github against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebd01%2Fgithub" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Webd01/github 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/Webd01/github
[INFO] finished tweaking git repo https://github.com/Webd01/github
[INFO] tweaked toml for git repo https://github.com/Webd01/github written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/Webd01/github 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 v0.1.10
[INFO] [stderr]   Downloaded tokio-executor v0.1.5
[INFO] [stderr]   Downloaded tokio-reactor v0.1.6
[INFO] [stderr]   Downloaded tokio-uds v0.2.3
[INFO] [stderr]   Downloaded tokio v0.1.11
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded tokio-tcp v0.1.2
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.8
[INFO] [stderr]   Downloaded openssl-sys v0.9.39
[INFO] [stderr]   Downloaded mime v0.3.12
[INFO] [stderr]   Downloaded tokio-fs v0.1.4
[INFO] [stderr]   Downloaded tokio-timer v0.2.7
[INFO] [stderr]   Downloaded hyper-tls v0.3.1
[INFO] [stderr]   Downloaded libflate v0.1.18
[INFO] [stderr]   Downloaded hyper v0.12.13
[INFO] [stderr]   Downloaded h2 v0.1.13
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded indexmap v1.0.2
[INFO] [stderr]   Downloaded unicase v2.2.0
[INFO] [stderr]   Downloaded schannel v0.1.14
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.3
[INFO] [stderr]   Downloaded reqwest v0.9.4
[INFO] [stderr]   Downloaded encoding_rs v0.8.10
[INFO] [stderr]   Downloaded openssl v0.10.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] b1390fef19b974647209a69f600d80c4cc219a1d06110598df60c08ebe77721e
[INFO] running `Command { std: "docker" "start" "-a" "b1390fef19b974647209a69f600d80c4cc219a1d06110598df60c08ebe77721e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1390fef19b974647209a69f600d80c4cc219a1d06110598df60c08ebe77721e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1390fef19b974647209a69f600d80c4cc219a1d06110598df60c08ebe77721e", kill_on_drop: false }`
[INFO] [stdout] b1390fef19b974647209a69f600d80c4cc219a1d06110598df60c08ebe77721e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 99569632ede782ced72fd9344d4d75e4aa0a31a8565e4a523e9f9f93f942b2a5
[INFO] running `Command { std: "docker" "start" "-a" "99569632ede782ced72fd9344d4d75e4aa0a31a8565e4a523e9f9f93f942b2a5", 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" "99569632ede782ced72fd9344d4d75e4aa0a31a8565e4a523e9f9f93f942b2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99569632ede782ced72fd9344d4d75e4aa0a31a8565e4a523e9f9f93f942b2a5", kill_on_drop: false }`
[INFO] [stdout] 99569632ede782ced72fd9344d4d75e4aa0a31a8565e4a523e9f9f93f942b2a5