[INFO] cloning repository https://github.com/jherimum/crab-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jherimum/crab-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjherimum%2Fcrab-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjherimum%2Fcrab-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77a9098f22c91eb0d38453094fe8b7810d3bc4d9
[INFO] testing jherimum/crab-chat against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjherimum%2Fcrab-chat" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jherimum/crab-chat
[INFO] finished tweaking git repo https://github.com/jherimum/crab-chat
[INFO] tweaked toml for git repo https://github.com/jherimum/crab-chat written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jherimum/crab-chat on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jherimum/crab-chat 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dabac480eece5bb54eaf3727cd4e04a92b324bd076d68f1326f5490fec6bd909
[INFO] running `Command { std: "docker" "start" "-a" "dabac480eece5bb54eaf3727cd4e04a92b324bd076d68f1326f5490fec6bd909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dabac480eece5bb54eaf3727cd4e04a92b324bd076d68f1326f5490fec6bd909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabac480eece5bb54eaf3727cd4e04a92b324bd076d68f1326f5490fec6bd909", kill_on_drop: false }`
[INFO] [stdout] dabac480eece5bb54eaf3727cd4e04a92b324bd076d68f1326f5490fec6bd909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 52903327aabd6a1341241d361d3a164000545b48f52fbae91fb42ab22ed6b638
[INFO] running `Command { std: "docker" "start" "-a" "52903327aabd6a1341241d361d3a164000545b48f52fbae91fb42ab22ed6b638", kill_on_drop: false }`
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[INFO] [stderr]    Compiling gix-url v0.28.2
[INFO] [stderr]    Compiling gix-glob v0.17.1
[INFO] [stderr]    Compiling gix-tempfile v15.0.0
[INFO] [stderr]    Compiling ratatui v0.29.0
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling cargo_metadata v0.19.2
[INFO] [stderr]    Compiling gix-lock v15.0.1
[INFO] [stderr]    Compiling gix-shallow v0.1.0
[INFO] [stderr]    Compiling gix-transport v0.44.0
[INFO] [stderr]    Compiling if-watch v3.2.1
[INFO] [stderr]    Compiling color-eyre v0.6.3
[INFO] [stderr]    Compiling human-panic v2.0.2
[INFO] [stderr]    Compiling config v0.15.9
[INFO] [stderr]    Compiling clap v4.5.31
[INFO] [stderr]    Compiling gix-revwalk v0.17.0
[INFO] [stderr]    Compiling gix-ref v0.49.1
[INFO] [stderr]    Compiling gix-pack v0.56.0
[INFO] [stderr]    Compiling gix-diff v0.49.0
[INFO] [stderr]    Compiling gix-revision v0.31.1
[INFO] [stderr]    Compiling gix-traverse v0.43.1
[INFO] [stderr]    Compiling ed25519-dalek v2.1.1
[INFO] [stderr]    Compiling x25519-dalek v2.0.1
[INFO] [stderr]    Compiling libp2p-identity v0.2.10
[INFO] [stderr]    Compiling multiaddr v0.18.2
[INFO] [stderr]    Compiling gix-refspec v0.27.0
[INFO] [stderr]    Compiling gix-index v0.37.0
[INFO] [stderr]    Compiling gix-odb v0.66.0
[INFO] [stderr]    Compiling gix-protocol v0.47.0
[INFO] [stderr]    Compiling gix-discover v0.37.0
[INFO] [stderr]    Compiling gix-config v0.42.0
[INFO] [stderr]    Compiling libp2p-core v0.43.0
[INFO] [stderr]    Compiling libp2p-swarm v0.46.0
[INFO] [stderr]    Compiling libp2p-tcp v0.43.0
[INFO] [stderr]    Compiling libp2p-noise v0.46.0
[INFO] [stderr]    Compiling libp2p-yamux v0.47.0
[INFO] [stderr]    Compiling gix v0.69.1
[INFO] [stderr]    Compiling libp2p-connection-limits v0.5.0
[INFO] [stderr]    Compiling libp2p-ping v0.46.0
[INFO] [stderr]    Compiling libp2p-mdns v0.47.0
[INFO] [stderr]    Compiling libp2p-allow-block-list v0.5.0
[INFO] [stderr]    Compiling libp2p-kad v0.47.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.48.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.46.0
[INFO] [stderr]    Compiling crab-chat-ui v0.1.0 (/opt/rustwide/workdir/crates/crab-chat-ui)
[INFO] [stderr]    Compiling libp2p v0.55.0
[INFO] [stderr]    Compiling crab-chat-peer v0.1.0 (/opt/rustwide/workdir/crates/crab-chat-peer)
[INFO] [stdout] warning: unused variable: `local_peer_id`
[INFO] [stdout]    --> crates/crab-chat-peer/src/peer.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     local_peer_id: PeerId,
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_peer_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> crates/crab-chat-peer/src/command.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.sender.send(response);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = self.sender.send(response);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_command_bus`
[INFO] [stdout]   --> crates/crab-chat-ui/src/app.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let peer_command_bus = peer.command_bus().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_command_bus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_event_listener`
[INFO] [stdout]   --> crates/crab-chat-ui/src/app.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let peer_event_listener = peer.subscribe();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_event_listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_tx`
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     command_tx: UnboundedSender<Action>,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let x = Handle::current().block_on(async move {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let result = Handle::current().block_on(async move {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let result = Handle::current().block_on(async move {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `footer`
[INFO] [stdout]    --> crates/crab-chat-ui/src/components/home/mod.rs:161:28
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let (header, main, footer) = vertical_layout(area);
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_footer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chat`
[INFO] [stdout]    --> crates/crab-chat-ui/src/components/home/mod.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let (chat, input, participants) = chat_layout(chat_panel);
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_chat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> crates/crab-chat-ui/src/components/home/mod.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let (chat, input, participants) = chat_layout(chat_panel);
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `participants`
[INFO] [stdout]    --> crates/crab-chat-ui/src/components/home/mod.rs:163:27
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let (chat, input, participants) = chat_layout(chat_panel);
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_participants`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `leave_room` and `send_message` are never used
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:74:14
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Home {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     async fn leave_room(&self, room: &str) {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     async fn send_message(&self, room: &str, message: &str) {
[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 `name` and `chat` are never read
[INFO] [stdout]  --> crates/crab-chat-ui/src/components/home/models.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Room {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     chat: Chat,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Room` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `messages` and `input` are never read
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/models.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Chat {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  9 |     messages: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     input: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "52903327aabd6a1341241d361d3a164000545b48f52fbae91fb42ab22ed6b638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52903327aabd6a1341241d361d3a164000545b48f52fbae91fb42ab22ed6b638", kill_on_drop: false }`
[INFO] [stdout] 52903327aabd6a1341241d361d3a164000545b48f52fbae91fb42ab22ed6b638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 83dddebcb2b30e5192f7fb245ef3a9a34ae2f2f9a752fdf167f1cd5823c830b9
[INFO] running `Command { std: "docker" "start" "-a" "83dddebcb2b30e5192f7fb245ef3a9a34ae2f2f9a752fdf167f1cd5823c830b9", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `local_peer_id`
[INFO] [stdout]    --> crates/crab-chat-peer/src/peer.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     local_peer_id: PeerId,
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_peer_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> crates/crab-chat-peer/src/command.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.sender.send(response);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = self.sender.send(response);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crab-chat-peer v0.1.0 (/opt/rustwide/workdir/crates/crab-chat-peer)
[INFO] [stderr]    Compiling crab-chat-ui v0.1.0 (/opt/rustwide/workdir/crates/crab-chat-ui)
[INFO] [stdout] warning: unused variable: `local_peer_id`
[INFO] [stdout]    --> crates/crab-chat-peer/src/peer.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     local_peer_id: PeerId,
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_peer_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> crates/crab-chat-peer/src/command.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.sender.send(response);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = self.sender.send(response);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_command_bus`
[INFO] [stdout]   --> crates/crab-chat-ui/src/app.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let peer_command_bus = peer.command_bus().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_command_bus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_event_listener`
[INFO] [stdout]   --> crates/crab-chat-ui/src/app.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let peer_event_listener = peer.subscribe();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_event_listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_tx`
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     command_tx: UnboundedSender<Action>,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let x = Handle::current().block_on(async move {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let result = Handle::current().block_on(async move {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let result = Handle::current().block_on(async move {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `footer`
[INFO] [stdout]    --> crates/crab-chat-ui/src/components/home/mod.rs:161:28
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let (header, main, footer) = vertical_layout(area);
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_footer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chat`
[INFO] [stdout]    --> crates/crab-chat-ui/src/components/home/mod.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let (chat, input, participants) = chat_layout(chat_panel);
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_chat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> crates/crab-chat-ui/src/components/home/mod.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let (chat, input, participants) = chat_layout(chat_panel);
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `participants`
[INFO] [stdout]    --> crates/crab-chat-ui/src/components/home/mod.rs:163:27
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let (chat, input, participants) = chat_layout(chat_panel);
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_participants`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `leave_room` and `send_message` are never used
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/mod.rs:74:14
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Home {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     async fn leave_room(&self, room: &str) {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     async fn send_message(&self, room: &str, message: &str) {
[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 `name` and `chat` are never read
[INFO] [stdout]  --> crates/crab-chat-ui/src/components/home/models.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Room {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     chat: Chat,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Room` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `messages` and `input` are never read
[INFO] [stdout]   --> crates/crab-chat-ui/src/components/home/models.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Chat {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  9 |     messages: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     input: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "83dddebcb2b30e5192f7fb245ef3a9a34ae2f2f9a752fdf167f1cd5823c830b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83dddebcb2b30e5192f7fb245ef3a9a34ae2f2f9a752fdf167f1cd5823c830b9", kill_on_drop: false }`
[INFO] [stdout] 83dddebcb2b30e5192f7fb245ef3a9a34ae2f2f9a752fdf167f1cd5823c830b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 9cc1107296638100dd08bc7b6083f4492092de933ecda71321432c95d7e90e0d
[INFO] running `Command { std: "docker" "start" "-a" "9cc1107296638100dd08bc7b6083f4492092de933ecda71321432c95d7e90e0d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `local_peer_id`
[INFO] [stderr]    --> crates/crab-chat-peer/src/peer.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     local_peer_id: PeerId,
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_peer_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> crates/crab-chat-peer/src/command.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         self.sender.send(response);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let _ = self.sender.send(response);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `crab-chat-peer` (lib) generated 2 warnings (run `cargo fix --lib -p crab-chat-peer` to apply 1 suggestion)
[INFO] [stderr] warning: `crab-chat-peer` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused variable: `peer_command_bus`
[INFO] [stderr]   --> crates/crab-chat-ui/src/app.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let peer_command_bus = peer.command_bus().clone();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_command_bus`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_event_listener`
[INFO] [stderr]   --> crates/crab-chat-ui/src/app.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let peer_event_listener = peer.subscribe();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_event_listener`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command_tx`
[INFO] [stderr]   --> crates/crab-chat-ui/src/components/home/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     command_tx: UnboundedSender<Action>,
[INFO] [stderr]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> crates/crab-chat-ui/src/components/home/mod.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let x = Handle::current().block_on(async move {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> crates/crab-chat-ui/src/components/home/mod.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let result = Handle::current().block_on(async move {
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> crates/crab-chat-ui/src/components/home/mod.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let result = Handle::current().block_on(async move {
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `footer`
[INFO] [stderr]    --> crates/crab-chat-ui/src/components/home/mod.rs:161:28
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let (header, main, footer) = vertical_layout(area);
[INFO] [stderr]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_footer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chat`
[INFO] [stderr]    --> crates/crab-chat-ui/src/components/home/mod.rs:163:14
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let (chat, input, participants) = chat_layout(chat_panel);
[INFO] [stderr]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_chat`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> crates/crab-chat-ui/src/components/home/mod.rs:163:20
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let (chat, input, participants) = chat_layout(chat_panel);
[INFO] [stderr]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `participants`
[INFO] [stderr]    --> crates/crab-chat-ui/src/components/home/mod.rs:163:27
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let (chat, input, participants) = chat_layout(chat_panel);
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_participants`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `leave_room` and `send_message` are never used
[INFO] [stderr]   --> crates/crab-chat-ui/src/components/home/mod.rs:74:14
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl Home {
[INFO] [stderr]    | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 74 |     async fn leave_room(&self, room: &str) {
[INFO] [stderr]    |              ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 88 |     async fn send_message(&self, room: &str, message: &str) {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `chat` are never read
[INFO] [stderr]  --> crates/crab-chat-ui/src/components/home/models.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Room {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 3 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 4 |     chat: Chat,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Room` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `messages` and `input` are never read
[INFO] [stderr]   --> crates/crab-chat-ui/src/components/home/models.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub struct Chat {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr]  9 |     messages: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 10 |     input: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Chat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `crab-chat-ui` (bin "crab-chat-ui" test) generated 13 warnings (run `cargo fix --bin "crab-chat-ui" -p crab-chat-ui --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/crab-chat-peer/5804894d170064bf/deps/crab_chat_peer-5804894d170064bf)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/crab-chat-ui/6ff5e4b705ac9696/deps/crab_chat_ui-6ff5e4b705ac9696)
[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] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test config::tests::test_multiple_modifiers ... ok
[INFO] [stdout] test config::tests::test_parse_style_background ... ok
[INFO] [stdout] test config::tests::test_case_insensitivity ... ok
[INFO] [stdout] test config::tests::test_parse_color_unknown ... ok
[INFO] [stdout] test config::tests::test_parse_style_foreground ... ok
[INFO] [stdout] test config::tests::test_reverse_multiple_modifiers ... ok
[INFO] [stdout] test config::tests::test_parse_color_rgb ... ok
[INFO] [stdout] test config::tests::test_simple_keys ... ok
[INFO] [stdout] test config::tests::test_with_modifiers ... ok
[INFO] [stdout] test config::tests::test_config ... ok
[INFO] [stdout] test config::tests::test_parse_style_modifiers ... ok
[INFO] [stdout] test config::tests::test_process_color_string ... ok
[INFO] [stdout] test config::tests::test_invalid_keys ... ok
[INFO] [stderr]    Doc-tests crab_chat_peer
[INFO] [stdout] test config::tests::test_parse_style_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[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" "9cc1107296638100dd08bc7b6083f4492092de933ecda71321432c95d7e90e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc1107296638100dd08bc7b6083f4492092de933ecda71321432c95d7e90e0d", kill_on_drop: false }`
[INFO] [stdout] 9cc1107296638100dd08bc7b6083f4492092de933ecda71321432c95d7e90e0d
