[INFO] cloning repository https://github.com/Weltraumschaf/webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Weltraumschaf/webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeltraumschaf%2Fwebserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeltraumschaf%2Fwebserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad0cab52fb77e6deb6c78d14ffe56ce2a486380e
[INFO] documenting Weltraumschaf/webserver against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeltraumschaf%2Fwebserver" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Weltraumschaf/webserver 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/Weltraumschaf/webserver
[INFO] finished tweaking git repo https://github.com/Weltraumschaf/webserver
[INFO] tweaked toml for git repo https://github.com/Weltraumschaf/webserver written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/Weltraumschaf/webserver 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] warning: unused manifest key: package.travis-ci
[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 log v0.4.1
[INFO] [stderr]   Downloaded serde v1.0.27
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded serde_derive v1.0.27
[INFO] [stderr]   Downloaded serde_derive_internals v0.19.0
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] [stderr]   Downloaded num-complex v0.1.42
[INFO] [stderr]   Downloaded num-traits v0.2.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded clap v2.30.0
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded regex v0.2.6
[INFO] [stderr]   Downloaded flexi_logger v0.6.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 26d43f985331ea60e39b65dc0bde90157c685d2b59769f6812569c1099eddfa3
[INFO] running `Command { std: "docker" "start" "-a" "26d43f985331ea60e39b65dc0bde90157c685d2b59769f6812569c1099eddfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d43f985331ea60e39b65dc0bde90157c685d2b59769f6812569c1099eddfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d43f985331ea60e39b65dc0bde90157c685d2b59769f6812569c1099eddfa3", kill_on_drop: false }`
[INFO] [stdout] 26d43f985331ea60e39b65dc0bde90157c685d2b59769f6812569c1099eddfa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 63e2e859cf7893b0649963b2d08463e8e7a11965a465326ad0202362f97324b7
[INFO] running `Command { std: "docker" "start" "-a" "63e2e859cf7893b0649963b2d08463e8e7a11965a465326ad0202362f97324b7", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.travis-ci
[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" "63e2e859cf7893b0649963b2d08463e8e7a11965a465326ad0202362f97324b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e2e859cf7893b0649963b2d08463e8e7a11965a465326ad0202362f97324b7", kill_on_drop: false }`
[INFO] [stdout] 63e2e859cf7893b0649963b2d08463e8e7a11965a465326ad0202362f97324b7