[INFO] cloning repository https://github.com/othman-na/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/othman-na/rust-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothman-na%2Frust-web-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothman-na%2Frust-web-server'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothman-na%2Frust-web-server/refs/tags: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/othman-na/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/othman-na/rust-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothman-na%2Frust-web-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothman-na%2Frust-web-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] effba910b0f733a032e9be8d1649c767304e712f
[INFO] checking othman-na/rust-web-server against master#8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothman-na%2Frust-web-server" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/othman-na/rust-web-server on toolchain 8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/othman-na/rust-web-server
[INFO] finished tweaking git repo https://github.com/othman-na/rust-web-server
[INFO] tweaked toml for git repo https://github.com/othman-na/rust-web-server written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/othman-na/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" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d16376aac221aa2d7d8986d282ca6c13281dab5bbd8032ddf5d9af7547cbf057
[INFO] running `Command { std: "docker" "start" "-a" "d16376aac221aa2d7d8986d282ca6c13281dab5bbd8032ddf5d9af7547cbf057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d16376aac221aa2d7d8986d282ca6c13281dab5bbd8032ddf5d9af7547cbf057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16376aac221aa2d7d8986d282ca6c13281dab5bbd8032ddf5d9af7547cbf057", kill_on_drop: false }`
[INFO] [stdout] d16376aac221aa2d7d8986d282ca6c13281dab5bbd8032ddf5d9af7547cbf057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e12d0a5240d6953881164c0527e026a592d205ffc62431029cf139e36caf3afd
[INFO] running `Command { std: "docker" "start" "-a" "e12d0a5240d6953881164c0527e026a592d205ffc62431029cf139e36caf3afd", kill_on_drop: false }`
[INFO] [stderr]     Checking web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn execute<F>(&self, f: F)
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn execute<F>(&self, f: F)
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 3 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 33 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 34 |   thread: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 3 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 33 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 34 |   thread: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "e12d0a5240d6953881164c0527e026a592d205ffc62431029cf139e36caf3afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12d0a5240d6953881164c0527e026a592d205ffc62431029cf139e36caf3afd", kill_on_drop: false }`
[INFO] [stdout] e12d0a5240d6953881164c0527e026a592d205ffc62431029cf139e36caf3afd