[INFO] cloning repository https://github.com/0xzrf/Multi-threaded-Server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xzrf/Multi-threaded-Server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xzrf%2FMulti-threaded-Server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xzrf%2FMulti-threaded-Server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8df0e1e5a1a9734d92e213617edc78e7ed6d53c8
[INFO] checking 0xzrf/Multi-threaded-Server against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xzrf%2FMulti-threaded-Server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xzrf/Multi-threaded-Server
[INFO] finished tweaking git repo https://github.com/0xzrf/Multi-threaded-Server
[INFO] tweaked toml for git repo https://github.com/0xzrf/Multi-threaded-Server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xzrf/Multi-threaded-Server on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xzrf/Multi-threaded-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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fd4fa0a43255f962234aab396bcc461635c54cccb64c8db4daf8d5fb2d50c1c
[INFO] running `Command { std: "docker" "start" "-a" "1fd4fa0a43255f962234aab396bcc461635c54cccb64c8db4daf8d5fb2d50c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fd4fa0a43255f962234aab396bcc461635c54cccb64c8db4daf8d5fb2d50c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd4fa0a43255f962234aab396bcc461635c54cccb64c8db4daf8d5fb2d50c1c", kill_on_drop: false }`
[INFO] [stdout] 1fd4fa0a43255f962234aab396bcc461635c54cccb64c8db4daf8d5fb2d50c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a9dcb802ac50d55dcccd5cda24f20886910f228a298bec24fbea1b97eab2bad
[INFO] running `Command { std: "docker" "start" "-a" "0a9dcb802ac50d55dcccd5cda24f20886910f228a298bec24fbea1b97eab2bad", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking multi-threaded-web-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | /     loop {
[INFO] [stdout]  8 | |         let (mut stream, addr) = listener.accept().await.unwrap();
[INFO] [stdout]  9 | |         println!("New connection from: {addr}");
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |         st_async_io.execute(stream).await;
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 29 |       println!("Shutting down the server");
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | /     loop {
[INFO] [stdout]  8 | |         let (mut stream, addr) = listener.accept().await.unwrap();
[INFO] [stdout]  9 | |         println!("New connection from: {addr}");
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |         st_async_io.execute(stream).await;
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 29 |       println!("Shutting down the server");
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let (mut stream, addr) = listener.accept().await.unwrap();
[INFO] [stdout]   |              ----^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let (mut stream, addr) = listener.accept().await.unwrap();
[INFO] [stdout]   |              ----^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "0a9dcb802ac50d55dcccd5cda24f20886910f228a298bec24fbea1b97eab2bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9dcb802ac50d55dcccd5cda24f20886910f228a298bec24fbea1b97eab2bad", kill_on_drop: false }`
[INFO] [stdout] 0a9dcb802ac50d55dcccd5cda24f20886910f228a298bec24fbea1b97eab2bad
