[INFO] cloning repository https://github.com/drakemain/rust-web-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drakemain/rust-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrakemain%2Frust-web-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrakemain%2Frust-web-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce11bd5a88bfe025f9fac143690b17a24ba0b736
[INFO] checking drakemain/rust-web-server against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrakemain%2Frust-web-server" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drakemain/rust-web-server on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drakemain/rust-web-server
[INFO] finished tweaking git repo https://github.com/drakemain/rust-web-server
[INFO] tweaked toml for git repo https://github.com/drakemain/rust-web-server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/drakemain/rust-web-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f14b5ca4d82c222a47b7a3248ea8f74cc84c82331659945e31ad43987797df7
[INFO] running `Command { std: "docker" "start" "-a" "5f14b5ca4d82c222a47b7a3248ea8f74cc84c82331659945e31ad43987797df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f14b5ca4d82c222a47b7a3248ea8f74cc84c82331659945e31ad43987797df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f14b5ca4d82c222a47b7a3248ea8f74cc84c82331659945e31ad43987797df7", kill_on_drop: false }`
[INFO] [stdout] 5f14b5ca4d82c222a47b7a3248ea8f74cc84c82331659945e31ad43987797df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 651eef8ea365abf48475c8e243e0d238f0d81fa9054b6b1d92c901e8e6a41216
[INFO] running `Command { std: "docker" "start" "-a" "651eef8ea365abf48475c8e243e0d238f0d81fa9054b6b1d92c901e8e6a41216", kill_on_drop: false }`
[INFO] [stderr]     Checking webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]  --> src/lib.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   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:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   id: usize,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/lib.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   thread: thread::JoinHandle<()>
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]  --> src/lib.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   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:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   id: usize,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/lib.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   thread: thread::JoinHandle<()>
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "651eef8ea365abf48475c8e243e0d238f0d81fa9054b6b1d92c901e8e6a41216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651eef8ea365abf48475c8e243e0d238f0d81fa9054b6b1d92c901e8e6a41216", kill_on_drop: false }`
[INFO] [stdout] 651eef8ea365abf48475c8e243e0d238f0d81fa9054b6b1d92c901e8e6a41216