[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] checking hiproco/tui-prac against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiproco%2Ftui-prac" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hiproco/tui-prac on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc1/source/Cargo.toml
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcd5e423bb7be0927b6516e3db0dcedfdaa89076763781d0c13e5cf44e56586a
[INFO] running `Command { std: "docker" "start" "-a" "bcd5e423bb7be0927b6516e3db0dcedfdaa89076763781d0c13e5cf44e56586a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcd5e423bb7be0927b6516e3db0dcedfdaa89076763781d0c13e5cf44e56586a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd5e423bb7be0927b6516e3db0dcedfdaa89076763781d0c13e5cf44e56586a", kill_on_drop: false }`
[INFO] [stdout] bcd5e423bb7be0927b6516e3db0dcedfdaa89076763781d0c13e5cf44e56586a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bb55e7d7c1931b32bcf97164ecc90d245606dc8eabf1a7df9173f23e4b08458
[INFO] running `Command { std: "docker" "start" "-a" "7bb55e7d7c1931b32bcf97164ecc90d245606dc8eabf1a7df9173f23e4b08458", kill_on_drop: false }`
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking lru v0.12.1
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling stability v0.1.1
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking ratatui v0.25.0
[INFO] [stderr]     Checking tui-prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, `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 imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, `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 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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, `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] 
[INFO] [stdout] warning: the item `Constraint` is imported redundantly
[INFO] [stdout]    --> src/main.rs:328:19
[INFO] [stdout]     |
[INFO] [stdout] 328 |     use ratatui::{layout::Constraint, prelude::*, widgets::*};
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^  ---------- the item `Constraint` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tui_prac` is imported redundantly
[INFO] [stdout]  --> examples/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tui_prac;
[INFO] [stdout]   |     ^^^^^^^^ the item `tui_prac` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, `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] 
[INFO] [stdout] warning: the item `Constraint` is imported redundantly
[INFO] [stdout]    --> src/main.rs:328:19
[INFO] [stdout]     |
[INFO] [stdout] 328 |     use ratatui::{layout::Constraint, prelude::*, widgets::*};
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^  ---------- the item `Constraint` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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: 6 warnings emitted
[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] 421 |             _ => None,
[INFO] [stdout]     |             ^
[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]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 29 warnings emitted
[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] 421 |             _ => None,
[INFO] [stdout]     |             ^
[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]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.35s
[INFO] running `Command { std: "docker" "inspect" "7bb55e7d7c1931b32bcf97164ecc90d245606dc8eabf1a7df9173f23e4b08458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb55e7d7c1931b32bcf97164ecc90d245606dc8eabf1a7df9173f23e4b08458", kill_on_drop: false }`
[INFO] [stdout] 7bb55e7d7c1931b32bcf97164ecc90d245606dc8eabf1a7df9173f23e4b08458
[INFO] checking hiproco/tui-prac against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[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] validating manifest of git repo https://github.com/hiproco/tui-prac on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f7d13fb3168c80b47e9c7e2bd04734e9ca81c8d03e2ed29b2a8e4e2ada9c93a
[INFO] running `Command { std: "docker" "start" "-a" "6f7d13fb3168c80b47e9c7e2bd04734e9ca81c8d03e2ed29b2a8e4e2ada9c93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f7d13fb3168c80b47e9c7e2bd04734e9ca81c8d03e2ed29b2a8e4e2ada9c93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7d13fb3168c80b47e9c7e2bd04734e9ca81c8d03e2ed29b2a8e4e2ada9c93a", kill_on_drop: false }`
[INFO] [stdout] 6f7d13fb3168c80b47e9c7e2bd04734e9ca81c8d03e2ed29b2a8e4e2ada9c93a
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d352e2f38912e27e93ce9945d3f2c7c65ffe0e31f9c756dfcee2ee7724002216
[INFO] running `Command { std: "docker" "start" "-a" "d352e2f38912e27e93ce9945d3f2c7c65ffe0e31f9c756dfcee2ee7724002216", kill_on_drop: false }`
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking lru v0.12.1
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling stability v0.1.1
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking ratatui v0.25.0
[INFO] [stderr]     Checking tui-prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, `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 imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, `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 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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[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: the item `tui_prac` is imported redundantly
[INFO] [stdout]  --> examples/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tui_prac;
[INFO] [stdout]   |     ^^^^^^^^ the item `tui_prac` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, `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] 
[INFO] [stdout] warning: the item `Constraint` is imported redundantly
[INFO] [stdout]    --> src/main.rs:328:19
[INFO] [stdout]     |
[INFO] [stdout] 328 |     use ratatui::{layout::Constraint, prelude::*, widgets::*};
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^  ---------- the item `Constraint` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToSocketAddrs`, `cell::OnceCell`, `ops::Not`, `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] 
[INFO] [stdout] warning: the item `Constraint` is imported redundantly
[INFO] [stdout]    --> src/main.rs:328:19
[INFO] [stdout]     |
[INFO] [stdout] 328 |     use ratatui::{layout::Constraint, prelude::*, widgets::*};
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^  ---------- the item `Constraint` is already imported here
[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: 6 warnings emitted
[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: 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] 421 |             _ => None,
[INFO] [stdout]     |             ^
[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: unreachable pattern
[INFO] [stdout]    --> src/main.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 |             _ => None,
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[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: 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: 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]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 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: 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: 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]     = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "d352e2f38912e27e93ce9945d3f2c7c65ffe0e31f9c756dfcee2ee7724002216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d352e2f38912e27e93ce9945d3f2c7c65ffe0e31f9c756dfcee2ee7724002216", kill_on_drop: false }`
[INFO] [stdout] d352e2f38912e27e93ce9945d3f2c7c65ffe0e31f9c756dfcee2ee7724002216