[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 master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiproco%2Ftui-prac" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hiproco/tui-prac on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.12.0
[INFO] [stderr]   Downloaded ahash v0.8.7
[INFO] [stderr]   Downloaded strum_macros v0.25.3
[INFO] [stderr]   Downloaded strum v0.25.0
[INFO] [stderr]   Downloaded crossterm v0.27.0
[INFO] [stderr]   Downloaded lru v0.12.1
[INFO] [stderr]   Downloaded ratatui v0.25.0
[INFO] [stderr]   Downloaded stability v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8cc19abdb0edde4f3fb65cfa0ceeb4b82506069e9210a61a52b5d03c50778c5
[INFO] running `Command { std: "docker" "start" "-a" "b8cc19abdb0edde4f3fb65cfa0ceeb4b82506069e9210a61a52b5d03c50778c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8cc19abdb0edde4f3fb65cfa0ceeb4b82506069e9210a61a52b5d03c50778c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cc19abdb0edde4f3fb65cfa0ceeb4b82506069e9210a61a52b5d03c50778c5", kill_on_drop: false }`
[INFO] [stdout] b8cc19abdb0edde4f3fb65cfa0ceeb4b82506069e9210a61a52b5d03c50778c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24890faebef25160c11958dc574075fdd4d34c15a292a26fe38507a7a5285580
[INFO] running `Command { std: "docker" "start" "-a" "24890faebef25160c11958dc574075fdd4d34c15a292a26fe38507a7a5285580", 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 smallvec v1.11.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling paste v1.0.14
[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 cassowary v0.3.0
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lru v0.12.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling stability v0.1.1
[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)]` 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` 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 1m 04s
[INFO] running `Command { std: "docker" "inspect" "24890faebef25160c11958dc574075fdd4d34c15a292a26fe38507a7a5285580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24890faebef25160c11958dc574075fdd4d34c15a292a26fe38507a7a5285580", kill_on_drop: false }`
[INFO] [stdout] 24890faebef25160c11958dc574075fdd4d34c15a292a26fe38507a7a5285580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0938a2366602436506d3ceef3d0c44c265a675506b0f9e55c05fd41932957a3
[INFO] running `Command { std: "docker" "start" "-a" "e0938a2366602436506d3ceef3d0c44c265a675506b0f9e55c05fd41932957a3", 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)]` 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)]` 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)]` 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)]` 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] [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)]` 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)]` 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 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)]` 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)]` 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: 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)]` 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 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` 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 1.18s
[INFO] running `Command { std: "docker" "inspect" "e0938a2366602436506d3ceef3d0c44c265a675506b0f9e55c05fd41932957a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0938a2366602436506d3ceef3d0c44c265a675506b0f9e55c05fd41932957a3", kill_on_drop: false }`
[INFO] [stdout] e0938a2366602436506d3ceef3d0c44c265a675506b0f9e55c05fd41932957a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de95d80b2a0ac711cd4bee7d580b3f4b9adcfbbf5bcc8d2394bc3e84318711b2
[INFO] running `Command { std: "docker" "start" "-a" "de95d80b2a0ac711cd4bee7d580b3f4b9adcfbbf5bcc8d2394bc3e84318711b2", 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)]` 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)]` 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)]` 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)]` 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 1 suggestion)
[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)]` 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)]` 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)]` 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: `tui-prac` (bin "tui-prac" test) generated 25 warnings (7 duplicates)
[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)]` 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: 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)]` 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: `tui-prac` (example "server") generated 2 warnings
[INFO] [stderr] warning: `tui-prac` (example "playground") generated 6 warnings
[INFO] [stderr] warning: `tui-prac` (lib test) generated 9 warnings (9 duplicates)
[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-8da52d2281fc0016)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tui_prac-7b5c64a895a7b8b5)
[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 6 tests
[INFO] [stdout] test tests::bufread_bytes ... ok
[INFO] [stdout] test tests::cell_take ... ok
[INFO] [stdout] test tests::log ... ok
[INFO] [stdout] test tests::take_byref ... ok
[INFO] [stdout] test tests::refs ... 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' 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:     0x5ca11362eb32 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ca11362eb32 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ca11362eb32 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ca11362eb32 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ca113653e33 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ca113653e33 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5ca11362bcf3 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ca11362bcf3 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ca11362e982 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ca11363009c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5ca11362fef2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stderr] error: test failed, to rerun pass `--bin tui-prac`
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5ca1135f7e94 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5ca1135f7e94 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ca113630a7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5ca113630a7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5ca11363084a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5ca11362f029 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5ca1136304dd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5ca1136529b0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5ca113652d26 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x5ca1135be7cf - core::result::Result<T,E>::expect::h17724bf63fbca223
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x5ca1135be7cf - tui_prac::game::Player::connect::he6767848d41701e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:88:73
[INFO] [stdout]   22:     0x5ca1135be7cf - tui_prac::tests::player_connect::h85072b07ef39d225
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:514:9
[INFO] [stdout]   23:     0x5ca1135be259 - tui_prac::tests::player_connect::{{closure}}::hbd9f1326e8d4ddaa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:513:24
[INFO] [stdout]   24:     0x5ca1135be259 - core::ops::function::FnOnce::call_once::h1591e17635e3d811
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ca1135fd61b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5ca1135fd61b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x5ca1135fc80e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x5ca1135fc80e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x5ca1135fc80e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x5ca1135fc80e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x5ca1135fc80e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5ca1135fc80e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x5ca1135fc80e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x5ca1135c0384 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x5ca1135c0384 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x5ca1135c3d5a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x5ca1135c3d5a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x5ca1135c3d5a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x5ca1135c3d5a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x5ca1135c3d5a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5ca1135c3d5a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x5ca1135c3d5a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5ca1136339d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5ca1136339d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x5ca1136339d7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x7db7468deaa4 - <unknown>
[INFO] [stdout]   47:     0x7db74696ba34 - clone
[INFO] [stdout]   48:                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 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de95d80b2a0ac711cd4bee7d580b3f4b9adcfbbf5bcc8d2394bc3e84318711b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de95d80b2a0ac711cd4bee7d580b3f4b9adcfbbf5bcc8d2394bc3e84318711b2", kill_on_drop: false }`
[INFO] [stdout] de95d80b2a0ac711cd4bee7d580b3f4b9adcfbbf5bcc8d2394bc3e84318711b2
