[INFO] cloning repository https://github.com/dennyjuice/simple_rust_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dennyjuice/simple_rust_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennyjuice%2Fsimple_rust_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennyjuice%2Fsimple_rust_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eecace5d4db11f643724335642ce9f9793197af9
[INFO] documenting dennyjuice/simple_rust_server 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%2Fdennyjuice%2Fsimple_rust_server" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dennyjuice/simple_rust_server 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/dennyjuice/simple_rust_server
[INFO] finished tweaking git repo https://github.com/dennyjuice/simple_rust_server
[INFO] tweaked toml for git repo https://github.com/dennyjuice/simple_rust_server written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/dennyjuice/simple_rust_server 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] af5e8620e3ba0a2d8c3f3f79b08ef6d62227d7d880cbaccacfe778ff6745f531
[INFO] running `Command { std: "docker" "start" "-a" "af5e8620e3ba0a2d8c3f3f79b08ef6d62227d7d880cbaccacfe778ff6745f531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af5e8620e3ba0a2d8c3f3f79b08ef6d62227d7d880cbaccacfe778ff6745f531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5e8620e3ba0a2d8c3f3f79b08ef6d62227d7d880cbaccacfe778ff6745f531", kill_on_drop: false }`
[INFO] [stdout] af5e8620e3ba0a2d8c3f3f79b08ef6d62227d7d880cbaccacfe778ff6745f531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 08e6987fe63f1d92d00887581b72a83ba9fa93f8d6ed345fc12cac4251b3b3df
[INFO] running `Command { std: "docker" "start" "-a" "08e6987fe63f1d92d00887581b72a83ba9fa93f8d6ed345fc12cac4251b3b3df", kill_on_drop: false }`
[INFO] [stderr]  Documenting hello_web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hello_web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     thread: thread::JoinHandle<Arc<Mutex<Receiver<Job>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "08e6987fe63f1d92d00887581b72a83ba9fa93f8d6ed345fc12cac4251b3b3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e6987fe63f1d92d00887581b72a83ba9fa93f8d6ed345fc12cac4251b3b3df", kill_on_drop: false }`
[INFO] [stdout] 08e6987fe63f1d92d00887581b72a83ba9fa93f8d6ed345fc12cac4251b3b3df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 0bd36c363f6da4029b47b70e1edb5b06e84c0c3d258e382bf1c05a9a17e7022d
[INFO] running `Command { std: "docker" "start" "-a" "0bd36c363f6da4029b47b70e1edb5b06e84c0c3d258e382bf1c05a9a17e7022d", kill_on_drop: false }`
[INFO] [stderr]  Documenting hello_web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "0bd36c363f6da4029b47b70e1edb5b06e84c0c3d258e382bf1c05a9a17e7022d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd36c363f6da4029b47b70e1edb5b06e84c0c3d258e382bf1c05a9a17e7022d", kill_on_drop: false }`
[INFO] [stdout] 0bd36c363f6da4029b47b70e1edb5b06e84c0c3d258e382bf1c05a9a17e7022d