[INFO] cloning repository https://github.com/carlosmgonzalez/retro-chat-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carlosmgonzalez/retro-chat-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosmgonzalez%2Fretro-chat-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosmgonzalez%2Fretro-chat-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07cee5c326a7041defc001f2d00b8396271062b7
[INFO] checking carlosmgonzalez/retro-chat-rust against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosmgonzalez%2Fretro-chat-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/carlosmgonzalez/retro-chat-rust
[INFO] finished tweaking git repo https://github.com/carlosmgonzalez/retro-chat-rust
[INFO] tweaked toml for git repo https://github.com/carlosmgonzalez/retro-chat-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/carlosmgonzalez/retro-chat-rust on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/carlosmgonzalez/retro-chat-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bd753a60dd46a7cdef3ac0fa8e0a27e09848ab6e272380463c31c2f60f940fa
[INFO] running `Command { std: "docker" "start" "-a" "2bd753a60dd46a7cdef3ac0fa8e0a27e09848ab6e272380463c31c2f60f940fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bd753a60dd46a7cdef3ac0fa8e0a27e09848ab6e272380463c31c2f60f940fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd753a60dd46a7cdef3ac0fa8e0a27e09848ab6e272380463c31c2f60f940fa", kill_on_drop: false }`
[INFO] [stdout] 2bd753a60dd46a7cdef3ac0fa8e0a27e09848ab6e272380463c31c2f60f940fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d2db4a4b9601bdad8b71f3201bfaed1e777c4022c86379df470ee0725be2d6e
[INFO] running `Command { std: "docker" "start" "-a" "7d2db4a4b9601bdad8b71f3201bfaed1e777c4022c86379df470ee0725be2d6e", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling cursive-macros v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking compact_str v0.8.1
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking enum-map v2.7.3
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling enumset_derive v0.12.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking enumset v1.1.7
[INFO] [stderr]     Checking cursive_core v0.4.6
[INFO] [stderr]     Checking cursive v0.21.1
[INFO] [stderr]     Checking retro-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/bin/server.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{AsyncBufReadExt, AsyncWriteExt, BufReader},
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/bin/server.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{AsyncBufReadExt, AsyncWriteExt, BufReader},
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/bin/server.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         mut rx: broadcast::Receiver<String>,
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/bin/server.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let (reader, mut writer) = socket.split();
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/bin/server.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         mut rx: broadcast::Receiver<String>,
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/bin/server.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let (reader, mut writer) = socket.split();
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         mut rx: broadcast::Receiver<String>,
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         mut rx: broadcast::Receiver<String>,
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let (reader, mut writer) = socket.split();
[INFO] [stdout]    |                      ----^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let (reader, mut writer) = socket.split();
[INFO] [stdout]    |                      ----^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/bin/server.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let (socket, addr) = listener.accept().await?;
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/bin/server.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let (socket, addr) = listener.accept().await?;
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/bin/server.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let rx = tx.subscribe();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/bin/server.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let rx = tx.subscribe();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChatMessage` is never constructed
[INFO] [stdout]   --> src/bin/server.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct ChatMessage {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MessageType` is never used
[INFO] [stdout]   --> src/bin/server.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum MessageType {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/bin/server.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 |     async fn handle_connection(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.38s
[INFO] running `Command { std: "docker" "inspect" "7d2db4a4b9601bdad8b71f3201bfaed1e777c4022c86379df470ee0725be2d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2db4a4b9601bdad8b71f3201bfaed1e777c4022c86379df470ee0725be2d6e", kill_on_drop: false }`
[INFO] [stdout] 7d2db4a4b9601bdad8b71f3201bfaed1e777c4022c86379df470ee0725be2d6e