[INFO] cloning repository https://github.com/tandn37/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/tandn37/rust-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandn37%2Frust-web-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandn37%2Frust-web-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa98e345074a9d1e1cbb3d230cd3c7131a2cfc27
[INFO] checking tandn37/rust-web-server against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandn37%2Frust-web-server" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tandn37/rust-web-server
[INFO] finished tweaking git repo https://github.com/tandn37/rust-web-server
[INFO] tweaked toml for git repo https://github.com/tandn37/rust-web-server written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tandn37/rust-web-server on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tandn37/rust-web-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91dba0c478c840a81c99b6c6922001dd34869ee87c626b5ff672b17eb3994775
[INFO] running `Command { std: "docker" "start" "-a" "91dba0c478c840a81c99b6c6922001dd34869ee87c626b5ff672b17eb3994775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91dba0c478c840a81c99b6c6922001dd34869ee87c626b5ff672b17eb3994775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91dba0c478c840a81c99b6c6922001dd34869ee87c626b5ff672b17eb3994775", kill_on_drop: false }`
[INFO] [stdout] 91dba0c478c840a81c99b6c6922001dd34869ee87c626b5ff672b17eb3994775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9d9f7ae16fdd4c659dd162f9d72ba1fde4c7c4645a2f567a56db4007cf32c0b
[INFO] running `Command { std: "docker" "start" "-a" "e9d9f7ae16fdd4c659dd162f9d72ba1fde4c7c4645a2f567a56db4007cf32c0b", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |   workers: Vec<Worker>,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 15 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 16 |   thread: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |   workers: Vec<Worker>,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 15 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 16 |   thread: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "e9d9f7ae16fdd4c659dd162f9d72ba1fde4c7c4645a2f567a56db4007cf32c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d9f7ae16fdd4c659dd162f9d72ba1fde4c7c4645a2f567a56db4007cf32c0b", kill_on_drop: false }`
[INFO] [stdout] e9d9f7ae16fdd4c659dd162f9d72ba1fde4c7c4645a2f567a56db4007cf32c0b