[INFO] cloning repository https://github.com/michaellindsay23/simple-http-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaellindsay23/simple-http-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaellindsay23%2Fsimple-http-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaellindsay23%2Fsimple-http-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 188cecd4cf818b95add0a92389da5f0765bb1534
[INFO] testing michaellindsay23/simple-http-server-rust against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaellindsay23%2Fsimple-http-server-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/michaellindsay23/simple-http-server-rust
[INFO] finished tweaking git repo https://github.com/michaellindsay23/simple-http-server-rust
[INFO] tweaked toml for git repo https://github.com/michaellindsay23/simple-http-server-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/michaellindsay23/simple-http-server-rust on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/michaellindsay23/simple-http-server-rust 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e775da49c909c98f3b2aff06ea9f576499362c0df38e4599e48643afe80dd4d4
[INFO] running `Command { std: "docker" "start" "-a" "e775da49c909c98f3b2aff06ea9f576499362c0df38e4599e48643afe80dd4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e775da49c909c98f3b2aff06ea9f576499362c0df38e4599e48643afe80dd4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e775da49c909c98f3b2aff06ea9f576499362c0df38e4599e48643afe80dd4d4", kill_on_drop: false }`
[INFO] [stdout] e775da49c909c98f3b2aff06ea9f576499362c0df38e4599e48643afe80dd4d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cd6d819bb4cff6bd883bc2de65ee7b02cf5d8384309b0e40e3bed23c0b83485
[INFO] running `Command { std: "docker" "start" "-a" "1cd6d819bb4cff6bd883bc2de65ee7b02cf5d8384309b0e40e3bed23c0b83485", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-http-server-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::read`
[INFO] [stdout]  --> src/main.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std::fs::read};
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinHandle`
[INFO] [stdout]  --> src/threadpool.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc, Arc, Mutex}, thread::{self, JoinHandle}};
[INFO] [stdout]   |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/threadpool.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     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 `handle` are never read
[INFO] [stdout]   --> src/threadpool.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 45 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 46 |     handle: thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "1cd6d819bb4cff6bd883bc2de65ee7b02cf5d8384309b0e40e3bed23c0b83485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd6d819bb4cff6bd883bc2de65ee7b02cf5d8384309b0e40e3bed23c0b83485", kill_on_drop: false }`
[INFO] [stdout] 1cd6d819bb4cff6bd883bc2de65ee7b02cf5d8384309b0e40e3bed23c0b83485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12c51f1a1965e3a6113ee1c07713f2dda48d4b09d622c785df306b169b6bc943
[INFO] running `Command { std: "docker" "start" "-a" "12c51f1a1965e3a6113ee1c07713f2dda48d4b09d622c785df306b169b6bc943", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-http-server-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::read`
[INFO] [stdout]  --> src/main.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std::fs::read};
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinHandle`
[INFO] [stdout]  --> src/threadpool.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc, Arc, Mutex}, thread::{self, JoinHandle}};
[INFO] [stdout]   |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/threadpool.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     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 `handle` are never read
[INFO] [stdout]   --> src/threadpool.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 45 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 46 |     handle: thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "12c51f1a1965e3a6113ee1c07713f2dda48d4b09d622c785df306b169b6bc943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c51f1a1965e3a6113ee1c07713f2dda48d4b09d622c785df306b169b6bc943", kill_on_drop: false }`
[INFO] [stdout] 12c51f1a1965e3a6113ee1c07713f2dda48d4b09d622c785df306b169b6bc943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60099e0d6a01926181d39604c7f97b30d85559027af2516aed530dee8489c913
[INFO] running `Command { std: "docker" "start" "-a" "60099e0d6a01926181d39604c7f97b30d85559027af2516aed530dee8489c913", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs::read`
[INFO] [stderr]  --> src/main.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | use {std::fs::read};
[INFO] [stderr]   |      ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `JoinHandle`
[INFO] [stderr]  --> src/threadpool.rs:1:52
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{sync::{mpsc, Arc, Mutex}, thread::{self, JoinHandle}};
[INFO] [stderr]   |                                                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `workers` is never read
[INFO] [stderr]  --> src/threadpool.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct ThreadPool {
[INFO] [stderr]   |            ---------- field in this struct
[INFO] [stderr] 4 |     workers: Vec<Worker>,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `handle` are never read
[INFO] [stderr]   --> src/threadpool.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | struct Worker {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 45 |     id: usize,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 46 |     handle: thread::JoinHandle<()>
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple-http-server-rust` (bin "simple-http-server-rust" test) generated 4 warnings (run `cargo fix --bin "simple-http-server-rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_http_server_rust-a1d84f674e5dbec8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60099e0d6a01926181d39604c7f97b30d85559027af2516aed530dee8489c913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60099e0d6a01926181d39604c7f97b30d85559027af2516aed530dee8489c913", kill_on_drop: false }`
[INFO] [stdout] 60099e0d6a01926181d39604c7f97b30d85559027af2516aed530dee8489c913
