[INFO] cloning repository https://github.com/hiproco/tui-prac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiproco/tui-prac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiproco%2Ftui-prac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiproco%2Ftui-prac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 979d637f1e344624ca8019e3e67dff2653958eff
[INFO] testing hiproco/tui-prac against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiproco%2Ftui-prac" "/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/hiproco/tui-prac
[INFO] finished tweaking git repo https://github.com/hiproco/tui-prac
[INFO] tweaked toml for git repo https://github.com/hiproco/tui-prac written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hiproco/tui-prac on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hiproco/tui-prac 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b46a170d70d4095f3e8d701c2e1900d12b18761db8bb3a0d77511494599aa0fe
[INFO] running `Command { std: "docker" "start" "-a" "b46a170d70d4095f3e8d701c2e1900d12b18761db8bb3a0d77511494599aa0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b46a170d70d4095f3e8d701c2e1900d12b18761db8bb3a0d77511494599aa0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46a170d70d4095f3e8d701c2e1900d12b18761db8bb3a0d77511494599aa0fe", kill_on_drop: false }`
[INFO] [stdout] b46a170d70d4095f3e8d701c2e1900d12b18761db8bb3a0d77511494599aa0fe
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d385d9af66054bd490e7525d9f777ab3192e676cd0214ded17576a4a7c58fd82
[INFO] running `Command { std: "docker" "start" "-a" "d385d9af66054bd490e7525d9f777ab3192e676cd0214ded17576a4a7c58fd82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling lru v0.12.1
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling stability v0.1.1
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling ratatui v0.25.0
[INFO] [stderr]    Compiling tui-prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, and `self`
[INFO] [stdout]  --> src/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::OnceCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{self, Error, Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 4 |     net::{Ipv4Addr, SocketAddrV4, TcpListener, TcpStream, ToSocketAddrs, UdpSocket},
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     ops::Not,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]    --> src/network.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |         if let Ok((recv, addr)) = seeker.recv_from(&mut buf) {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MULTIADDR` is never used
[INFO] [stdout]   --> src/network.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 | const MULTIADDR: SocketAddrV4 = SocketAddrV4::new(Ipv4Addr::new(0b11101111, 255, 2, 134), 21340);
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PORT` is never used
[INFO] [stdout]   --> src/network.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 | const PORT: u16 = 21340;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `local_server` is never used
[INFO] [stdout]   --> src/network.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn local_server(atleast: usize) -> std::io::Result<Vec<TcpStream>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/network.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn check(mut stream: TcpStream) -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pinger` is never used
[INFO] [stdout]    --> src/network.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn pinger(server_port: u16, finished: Arc<AtomicBool>) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connector` is never used
[INFO] [stdout]    --> src/network.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn connector() -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/network.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         peers
[INFO] [stdout] 57 | |             .iter()
[INFO] [stdout] 58 | |             // .into_iter()
[INFO] [stdout] 59 | |             .filter_map(|p| std::net::TcpStream::connect(p).ok())
[INFO] [stdout] 60 | |             .collect::<Vec<_>>();
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[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] 56 |         let _ = peers
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, and `self`
[INFO] [stdout]  --> src/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::OnceCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{self, Error, Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 4 |     net::{Ipv4Addr, SocketAddrV4, TcpListener, TcpStream, ToSocketAddrs, UdpSocket},
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     ops::Not,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]    --> src/network.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |         if let Ok((recv, addr)) = seeker.recv_from(&mut buf) {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |             Tab(selected) => Some(*selected),
[INFO] [stdout]     |             ------------- matches all the relevant values
[INFO] [stdout] 421 |             _ => None,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `name`, `set`, `en`, `image`, and `notes` are never read
[INFO] [stdout]    --> src/main.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         struct CardAttribute {
[INFO] [stdout]     |                ------------- fields in this struct
[INFO] [stdout] 207 |             id: u16,
[INFO] [stdout]     |             ^^
[INFO] [stdout] 208 |             name: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 209 |             set: u8,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 210 |             en: String,
[INFO] [stdout]     |             ^^
[INFO] [stdout] 211 |             image: Option<PathBuf>,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 212 |             notes: String,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CardAttribute` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attribute` is never read
[INFO] [stdout]    --> src/main.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         struct Item {
[INFO] [stdout]     |                ---- field in this struct
[INFO] [stdout] 216 |             attribute: CardAttribute,
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Item` 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 `attribute` and `items` are never read
[INFO] [stdout]    --> src/main.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |         struct Event {
[INFO] [stdout]     |                ----- fields in this struct
[INFO] [stdout] 220 |             attribute: CardAttribute,
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 221 |             items: u8,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `other` is never read
[INFO] [stdout]    --> src/main.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |         struct Schema {
[INFO] [stdout]     |                ------ field in this struct
[INFO] [stdout] 225 |             item: Item,
[INFO] [stdout] 226 |             other: Option<String>,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Schema` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BORDERED` is never used
[INFO] [stdout]    --> src/main.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 286 |     const BORDERED: Block = Block::new().borders(Borders::ALL);
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Apply` is never used
[INFO] [stdout]    --> src/main.rs:316:7
[INFO] [stdout]     |
[INFO] [stdout] 316 | trait Apply<I, O>: FnMut(I) -> O + Sized {
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `states` is never read
[INFO] [stdout]    --> src/main.rs:410:5
[INFO] [stdout]     |
[INFO] [stdout] 408 | struct GameState {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 409 |     changed: bool,
[INFO] [stdout] 410 |     states: GameData,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GameState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LayoutTree` is never constructed
[INFO] [stdout]    --> src/main.rs:425:8
[INFO] [stdout]     |
[INFO] [stdout] 425 | struct LayoutTree {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoInner` is never used
[INFO] [stdout]    --> src/main.rs:429:7
[INFO] [stdout]     |
[INFO] [stdout] 429 | trait IntoInner {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Log` is never constructed
[INFO] [stdout]    --> src/main.rs:433:8
[INFO] [stdout]     |
[INFO] [stdout] 433 | struct Log<T, F: FnMut(&T)>(T, RefCell<F>);
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]    --> src/main.rs:435:8
[INFO] [stdout]     |
[INFO] [stdout] 434 | impl<T, F: FnMut(&T)> Log<T, F> {
[INFO] [stdout]     | ------------------------------- method in this implementation
[INFO] [stdout] 435 |     fn into_inner(mut self) -> T {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Loggable` is never used
[INFO] [stdout]    --> src/main.rs:454:7
[INFO] [stdout]     |
[INFO] [stdout] 454 | trait Loggable: Debug + Sized {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MULTIADDR` is never used
[INFO] [stdout]   --> src/network.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 | const MULTIADDR: SocketAddrV4 = SocketAddrV4::new(Ipv4Addr::new(0b11101111, 255, 2, 134), 21340);
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PORT` is never used
[INFO] [stdout]   --> src/network.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 | const PORT: u16 = 21340;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `local_server` is never used
[INFO] [stdout]   --> src/network.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn local_server(atleast: usize) -> std::io::Result<Vec<TcpStream>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/network.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn check(mut stream: TcpStream) -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pinger` is never used
[INFO] [stdout]    --> src/network.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn pinger(server_port: u16, finished: Arc<AtomicBool>) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connector` is never used
[INFO] [stdout]    --> src/network.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn connector() -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `thegameloop` is never used
[INFO] [stdout]   --> src/main.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub(crate) fn thegameloop() {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vote` is never used
[INFO] [stdout]    --> src/main.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn vote(players: &[Player]) -> bool {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose` is never used
[INFO] [stdout]    --> src/main.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn choose(_player: &Player) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `description` is never used
[INFO] [stdout]    --> src/main.rs:351:16
[INFO] [stdout]     |
[INFO] [stdout] 336 |     impl Card {
[INFO] [stdout]     |     --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 351 |         pub fn description<S: Into<String>>(self, description: S) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |             writeln!(logger, "[written {} bytes]", amt);
[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] 243 |             let _ = writeln!(logger, "[written {} bytes]", amt);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/network.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         peers
[INFO] [stdout] 57 | |             .iter()
[INFO] [stdout] 58 | |             // .into_iter()
[INFO] [stdout] 59 | |             .filter_map(|p| std::net::TcpStream::connect(p).ok())
[INFO] [stdout] 60 | |             .collect::<Vec<_>>();
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let _ = peers
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.25s
[INFO] running `Command { std: "docker" "inspect" "d385d9af66054bd490e7525d9f777ab3192e676cd0214ded17576a4a7c58fd82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d385d9af66054bd490e7525d9f777ab3192e676cd0214ded17576a4a7c58fd82", kill_on_drop: false }`
[INFO] [stdout] d385d9af66054bd490e7525d9f777ab3192e676cd0214ded17576a4a7c58fd82
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de03d82f280c65d8de00885b91beca19b0e33794245140fa7f66919012b124c0
[INFO] running `Command { std: "docker" "start" "-a" "de03d82f280c65d8de00885b91beca19b0e33794245140fa7f66919012b124c0", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, and `self`
[INFO] [stdout]  --> src/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::OnceCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{self, Error, Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 4 |     net::{Ipv4Addr, SocketAddrV4, TcpListener, TcpStream, ToSocketAddrs, UdpSocket},
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     ops::Not,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]    --> src/network.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |         if let Ok((recv, addr)) = seeker.recv_from(&mut buf) {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MULTIADDR` is never used
[INFO] [stdout]   --> src/network.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 | const MULTIADDR: SocketAddrV4 = SocketAddrV4::new(Ipv4Addr::new(0b11101111, 255, 2, 134), 21340);
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PORT` is never used
[INFO] [stdout]   --> src/network.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 | const PORT: u16 = 21340;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `local_server` is never used
[INFO] [stdout]   --> src/network.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn local_server(atleast: usize) -> std::io::Result<Vec<TcpStream>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/network.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn check(mut stream: TcpStream) -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pinger` is never used
[INFO] [stdout]    --> src/network.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn pinger(server_port: u16, finished: Arc<AtomicBool>) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connector` is never used
[INFO] [stdout]    --> src/network.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn connector() -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tui-prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/network.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         peers
[INFO] [stdout] 57 | |             .iter()
[INFO] [stdout] 58 | |             // .into_iter()
[INFO] [stdout] 59 | |             .filter_map(|p| std::net::TcpStream::connect(p).ok())
[INFO] [stdout] 60 | |             .collect::<Vec<_>>();
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[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] 56 |         let _ = peers
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_server` is never used
[INFO] [stdout]   --> examples/server.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn run_server() {}
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_peer` is never used
[INFO] [stdout]   --> examples/server.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn find_peer(with: Option<u8>, port: Option<u16>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, and `self`
[INFO] [stdout]  --> src/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::OnceCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{self, Error, Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 4 |     net::{Ipv4Addr, SocketAddrV4, TcpListener, TcpStream, ToSocketAddrs, UdpSocket},
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     ops::Not,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Socket` is never used
[INFO] [stdout]  --> examples/playground.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Socket: Sized {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ConnectionSocket` is never used
[INFO] [stdout]  --> examples/playground.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait ConnectionSocket: Socket {}
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ListenerSocket` is never used
[INFO] [stdout]  --> examples/playground.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait ListenerSocket: Socket {}
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> examples/playground.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct Guard {}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Serializer` is never used
[INFO] [stdout]   --> examples/playground.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | trait Serializer {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Serialize` is never used
[INFO] [stdout]   --> examples/playground.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | trait Serialize {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, and `self`
[INFO] [stdout]  --> src/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::OnceCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{self, Error, Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 4 |     net::{Ipv4Addr, SocketAddrV4, TcpListener, TcpStream, ToSocketAddrs, UdpSocket},
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     ops::Not,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]    --> src/network.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |         if let Ok((recv, addr)) = seeker.recv_from(&mut buf) {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MULTIADDR` is never used
[INFO] [stdout]   --> src/network.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 | const MULTIADDR: SocketAddrV4 = SocketAddrV4::new(Ipv4Addr::new(0b11101111, 255, 2, 134), 21340);
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PORT` is never used
[INFO] [stdout]   --> src/network.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 | const PORT: u16 = 21340;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `local_server` is never used
[INFO] [stdout]   --> src/network.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn local_server(atleast: usize) -> std::io::Result<Vec<TcpStream>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/network.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn check(mut stream: TcpStream) -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pinger` is never used
[INFO] [stdout]    --> src/network.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn pinger(server_port: u16, finished: Arc<AtomicBool>) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connector` is never used
[INFO] [stdout]    --> src/network.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn connector() -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/network.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         peers
[INFO] [stdout] 57 | |             .iter()
[INFO] [stdout] 58 | |             // .into_iter()
[INFO] [stdout] 59 | |             .filter_map(|p| std::net::TcpStream::connect(p).ok())
[INFO] [stdout] 60 | |             .collect::<Vec<_>>();
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[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] 56 |         let _ = peers
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]    --> src/network.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |         if let Ok((recv, addr)) = seeker.recv_from(&mut buf) {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |             Tab(selected) => Some(*selected),
[INFO] [stdout]     |             ------------- matches all the relevant values
[INFO] [stdout] 421 |             _ => None,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `name`, `set`, `en`, `image`, and `notes` are never read
[INFO] [stdout]    --> src/main.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         struct CardAttribute {
[INFO] [stdout]     |                ------------- fields in this struct
[INFO] [stdout] 207 |             id: u16,
[INFO] [stdout]     |             ^^
[INFO] [stdout] 208 |             name: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 209 |             set: u8,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 210 |             en: String,
[INFO] [stdout]     |             ^^
[INFO] [stdout] 211 |             image: Option<PathBuf>,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 212 |             notes: String,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CardAttribute` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attribute` is never read
[INFO] [stdout]    --> src/main.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         struct Item {
[INFO] [stdout]     |                ---- field in this struct
[INFO] [stdout] 216 |             attribute: CardAttribute,
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Item` 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 `attribute` and `items` are never read
[INFO] [stdout]    --> src/main.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |         struct Event {
[INFO] [stdout]     |                ----- fields in this struct
[INFO] [stdout] 220 |             attribute: CardAttribute,
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 221 |             items: u8,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `other` is never read
[INFO] [stdout]    --> src/main.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |         struct Schema {
[INFO] [stdout]     |                ------ field in this struct
[INFO] [stdout] 225 |             item: Item,
[INFO] [stdout] 226 |             other: Option<String>,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Schema` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BORDERED` is never used
[INFO] [stdout]    --> src/main.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 286 |     const BORDERED: Block = Block::new().borders(Borders::ALL);
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Apply` is never used
[INFO] [stdout]    --> src/main.rs:316:7
[INFO] [stdout]     |
[INFO] [stdout] 316 | trait Apply<I, O>: FnMut(I) -> O + Sized {
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `states` is never read
[INFO] [stdout]    --> src/main.rs:410:5
[INFO] [stdout]     |
[INFO] [stdout] 408 | struct GameState {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 409 |     changed: bool,
[INFO] [stdout] 410 |     states: GameData,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GameState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LayoutTree` is never constructed
[INFO] [stdout]    --> src/main.rs:425:8
[INFO] [stdout]     |
[INFO] [stdout] 425 | struct LayoutTree {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoInner` is never used
[INFO] [stdout]    --> src/main.rs:429:7
[INFO] [stdout]     |
[INFO] [stdout] 429 | trait IntoInner {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MULTIADDR` is never used
[INFO] [stdout]   --> src/network.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 | const MULTIADDR: SocketAddrV4 = SocketAddrV4::new(Ipv4Addr::new(0b11101111, 255, 2, 134), 21340);
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PORT` is never used
[INFO] [stdout]   --> src/network.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 | const PORT: u16 = 21340;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `local_server` is never used
[INFO] [stdout]   --> src/network.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn local_server(atleast: usize) -> std::io::Result<Vec<TcpStream>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/network.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn check(mut stream: TcpStream) -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pinger` is never used
[INFO] [stdout]    --> src/network.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn pinger(server_port: u16, finished: Arc<AtomicBool>) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connector` is never used
[INFO] [stdout]    --> src/network.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn connector() -> Option<TcpStream> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `thegameloop` is never used
[INFO] [stdout]   --> src/main.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub(crate) fn thegameloop() {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vote` is never used
[INFO] [stdout]    --> src/main.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn vote(players: &[Player]) -> bool {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose` is never used
[INFO] [stdout]    --> src/main.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn choose(_player: &Player) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `description` is never used
[INFO] [stdout]    --> src/main.rs:351:16
[INFO] [stdout]     |
[INFO] [stdout] 336 |     impl Card {
[INFO] [stdout]     |     --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 351 |         pub fn description<S: Into<String>>(self, description: S) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |             writeln!(logger, "[written {} bytes]", amt);
[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] 243 |             let _ = writeln!(logger, "[written {} bytes]", amt);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/network.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         peers
[INFO] [stdout] 57 | |             .iter()
[INFO] [stdout] 58 | |             // .into_iter()
[INFO] [stdout] 59 | |             .filter_map(|p| std::net::TcpStream::connect(p).ok())
[INFO] [stdout] 60 | |             .collect::<Vec<_>>();
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let _ = peers
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         dbg!(r);
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let _ = dbg!(r);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "de03d82f280c65d8de00885b91beca19b0e33794245140fa7f66919012b124c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de03d82f280c65d8de00885b91beca19b0e33794245140fa7f66919012b124c0", kill_on_drop: false }`
[INFO] [stdout] de03d82f280c65d8de00885b91beca19b0e33794245140fa7f66919012b124c0
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6eda8ea0aed93d6777f89bf5d04d418a3a2b753211d99e82996b04f0ad802245
[INFO] running `Command { std: "docker" "start" "-a" "6eda8ea0aed93d6777f89bf5d04d418a3a2b753211d99e82996b04f0ad802245", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, and `self`
[INFO] [stderr]  --> src/network.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     cell::OnceCell,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 3 |     io::{self, Error, Read, Write},
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 4 |     net::{Ipv4Addr, SocketAddrV4, TcpListener, TcpStream, ToSocketAddrs, UdpSocket},
[INFO] [stderr]   |                                                           ^^^^^^^^^^^^^
[INFO] [stderr] 5 |     ops::Not,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recv`
[INFO] [stderr]    --> src/network.rs:129:20
[INFO] [stderr]     |
[INFO] [stderr] 129 |         if let Ok((recv, addr)) = seeker.recv_from(&mut buf) {
[INFO] [stderr]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MULTIADDR` is never used
[INFO] [stderr]   --> src/network.rs:72:7
[INFO] [stderr]    |
[INFO] [stderr] 72 | const MULTIADDR: SocketAddrV4 = SocketAddrV4::new(Ipv4Addr::new(0b11101111, 255, 2, 134), 21340);
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PORT` is never used
[INFO] [stderr]   --> src/network.rs:74:7
[INFO] [stderr]    |
[INFO] [stderr] 74 | const PORT: u16 = 21340;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `local_server` is never used
[INFO] [stderr]   --> src/network.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn local_server(atleast: usize) -> std::io::Result<Vec<TcpStream>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]    --> src/network.rs:100:4
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn check(mut stream: TcpStream) -> Option<TcpStream> {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pinger` is never used
[INFO] [stderr]    --> src/network.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn pinger(server_port: u16, finished: Arc<AtomicBool>) {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `connector` is never used
[INFO] [stderr]    --> src/network.rs:122:4
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn connector() -> Option<TcpStream> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `collect` that must be used
[INFO] [stderr]   --> src/network.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 | /         peers
[INFO] [stderr] 57 | |             .iter()
[INFO] [stderr] 58 | |             // .into_iter()
[INFO] [stderr] 59 | |             .filter_map(|p| std::net::TcpStream::connect(p).ok())
[INFO] [stderr] 60 | |             .collect::<Vec<_>>();
[INFO] [stderr]    | |________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[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] 56 |         let _ = peers
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tui-prac` (lib) generated 9 warnings (run `cargo fix --lib -p tui-prac` to apply 2 suggestions)
[INFO] [stderr] warning: `tui-prac` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: trait `Socket` is never used
[INFO] [stderr]  --> examples/playground.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | trait Socket: Sized {
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `ConnectionSocket` is never used
[INFO] [stderr]  --> examples/playground.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | trait ConnectionSocket: Socket {}
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `ListenerSocket` is never used
[INFO] [stderr]  --> examples/playground.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | trait ListenerSocket: Socket {}
[INFO] [stderr]   |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Guard` is never constructed
[INFO] [stderr]   --> examples/playground.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     struct Guard {}
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Serializer` is never used
[INFO] [stderr]   --> examples/playground.rs:23:7
[INFO] [stderr]    |
[INFO] [stderr] 23 | trait Serializer {}
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Serialize` is never used
[INFO] [stderr]   --> examples/playground.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 | trait Serialize {
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:421:13
[INFO] [stderr]     |
[INFO] [stderr] 420 |             Tab(selected) => Some(*selected),
[INFO] [stderr]     |             ------------- matches all the relevant values
[INFO] [stderr] 421 |             _ => None,
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id`, `name`, `set`, `en`, `image`, and `notes` are never read
[INFO] [stderr]    --> src/main.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |         struct CardAttribute {
[INFO] [stderr]     |                ------------- fields in this struct
[INFO] [stderr] 207 |             id: u16,
[INFO] [stderr]     |             ^^
[INFO] [stderr] 208 |             name: String,
[INFO] [stderr]     |             ^^^^
[INFO] [stderr] 209 |             set: u8,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 210 |             en: String,
[INFO] [stderr]     |             ^^
[INFO] [stderr] 211 |             image: Option<PathBuf>,
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 212 |             notes: String,
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CardAttribute` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `attribute` is never read
[INFO] [stderr]    --> src/main.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         struct Item {
[INFO] [stderr]     |                ---- field in this struct
[INFO] [stderr] 216 |             attribute: CardAttribute,
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `attribute` and `items` are never read
[INFO] [stderr]    --> src/main.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |         struct Event {
[INFO] [stderr]     |                ----- fields in this struct
[INFO] [stderr] 220 |             attribute: CardAttribute,
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr] 221 |             items: u8,
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `other` is never read
[INFO] [stderr]    --> src/main.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 224 |         struct Schema {
[INFO] [stderr]     |                ------ field in this struct
[INFO] [stderr] 225 |             item: Item,
[INFO] [stderr] 226 |             other: Option<String>,
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Schema` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BORDERED` is never used
[INFO] [stderr]    --> src/main.rs:286:11
[INFO] [stderr]     |
[INFO] [stderr] 286 |     const BORDERED: Block = Block::new().borders(Borders::ALL);
[INFO] [stderr]     |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Apply` is never used
[INFO] [stderr]    --> src/main.rs:316:7
[INFO] [stderr]     |
[INFO] [stderr] 316 | trait Apply<I, O>: FnMut(I) -> O + Sized {
[INFO] [stderr]     |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `states` is never read
[INFO] [stderr]    --> src/main.rs:410:5
[INFO] [stderr]     |
[INFO] [stderr] 408 | struct GameState {
[INFO] [stderr]     |        --------- field in this struct
[INFO] [stderr] 409 |     changed: bool,
[INFO] [stderr] 410 |     states: GameData,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `GameState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LayoutTree` is never constructed
[INFO] [stderr]    --> src/main.rs:425:8
[INFO] [stderr]     |
[INFO] [stderr] 425 | struct LayoutTree {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IntoInner` is never used
[INFO] [stderr]    --> src/main.rs:429:7
[INFO] [stderr]     |
[INFO] [stderr] 429 | trait IntoInner {
[INFO] [stderr]     |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MULTIADDR` is never used
[INFO] [stderr]   --> src/network.rs:72:7
[INFO] [stderr]    |
[INFO] [stderr] 72 | const MULTIADDR: SocketAddrV4 = SocketAddrV4::new(Ipv4Addr::new(0b11101111, 255, 2, 134), 21340);
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `thegameloop` is never used
[INFO] [stderr]   --> src/main.rs:92:19
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub(crate) fn thegameloop() {
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `vote` is never used
[INFO] [stderr]    --> src/main.rs:109:8
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn vote(players: &[Player]) -> bool {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `choose` is never used
[INFO] [stderr]    --> src/main.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn choose(_player: &Player) -> bool {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `description` is never used
[INFO] [stderr]    --> src/main.rs:351:16
[INFO] [stderr]     |
[INFO] [stderr] 336 |     impl Card {
[INFO] [stderr]     |     --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 351 |         pub fn description<S: Into<String>>(self, description: S) -> Self {
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |             writeln!(logger, "[written {} bytes]", amt);
[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] 243 |             let _ = writeln!(logger, "[written {} bytes]", amt);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `collect` that must be used
[INFO] [stderr]   --> src/network.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 | /         peers
[INFO] [stderr] 57 | |             .iter()
[INFO] [stderr] 58 | |             // .into_iter()
[INFO] [stderr] 59 | |             .filter_map(|p| std::net::TcpStream::connect(p).ok())
[INFO] [stderr] 60 | |             .collect::<Vec<_>>();
[INFO] [stderr]    | |________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let _ = peers
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:470:9
[INFO] [stderr]     |
[INFO] [stderr] 470 |         dbg!(r);
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let _ = dbg!(r);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_server` is never used
[INFO] [stderr]   --> examples/server.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn run_server() {}
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_peer` is never used
[INFO] [stderr]   --> examples/server.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn find_peer(with: Option<u8>, port: Option<u16>) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tui-prac` (example "playground") generated 6 warnings
[INFO] [stderr] warning: `tui-prac` (bin "tui-prac" test) generated 25 warnings (7 duplicates)
[INFO] [stderr] warning: `tui-prac` (example "server") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tui_prac-4a1fef47a1e03e2e)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tui_prac-f0f587063968b648)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::log ... ok
[INFO] [stdout] test tests::cell_take ... ok
[INFO] [stdout] test tests::take_byref ... ok
[INFO] [stdout] test tests::refs ... ok
[INFO] [stdout] test tests::bufread_bytes ... ok
[INFO] [stdout] test tests::player_connect ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::player_connect stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::player_connect' (28) panicked at src/main.rs:88:73:
[INFO] [stdout] failed to write: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e7bf5130512 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e7bf5130512 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e7bf5130512 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e7bf5130512 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e7bf5144d5a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e7bf5144d5a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x5e7bf5135316 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e7bf5135316 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5e7bf510e7af - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e7bf510e7af - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e7bf51284b9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e7bf50c0abe - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5e7bf50c0abe - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e7bf5128672 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5e7bf5128672 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e7bf510e868 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5e7bf5103a59 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e7bf510f6bd - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e7bf51453cc - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e7bf51451a2 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5e7bf50b30ec - <core[585f66e14d78f9ba]::result::Result<(), std[3f03f8b59f91bef1]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5e7bf50b35d0 - <tui_prac[1d50b7d77a9007c2]::game::Player>::connect
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:88:73
[INFO] [stdout]   22:     0x5e7bf50b3a56 - tui_prac[1d50b7d77a9007c2]::tests::player_connect
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:514:9
[INFO] [stdout]   23:     0x5e7bf50b2c37 - tui_prac[1d50b7d77a9007c2]::tests::player_connect::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:513:24
[INFO] [stdout]   24:     0x5e7bf50b4cd6 - <tui_prac[1d50b7d77a9007c2]::tests::player_connect::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5e7bf50b4e6b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5e7bf50b4e6b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5e7bf50c16ca - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5e7bf50c16ca - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5e7bf50c16ca - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5e7bf50c16ca - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5e7bf50c16ca - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5e7bf50c16ca - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5e7bf50c16ca - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5e7bf50bbb94 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5e7bf50bbb94 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5e7bf50c41c2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5e7bf50c41c2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5e7bf50c41c2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5e7bf50c41c2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5e7bf50c41c2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5e7bf50c41c2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5e7bf50c41c2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5e7bf512fb0f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5e7bf512fb0f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x76a1ce3f7aa4 - <unknown>
[INFO] [stdout]   46:     0x76a1ce484a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::player_connect
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin tui-prac`
[INFO] running `Command { std: "docker" "inspect" "6eda8ea0aed93d6777f89bf5d04d418a3a2b753211d99e82996b04f0ad802245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eda8ea0aed93d6777f89bf5d04d418a3a2b753211d99e82996b04f0ad802245", kill_on_drop: false }`
[INFO] [stdout] 6eda8ea0aed93d6777f89bf5d04d418a3a2b753211d99e82996b04f0ad802245
