[INFO] fetching crate xenopeltis-server 0.2.1... [INFO] checking xenopeltis-server-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate xenopeltis-server 0.2.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate xenopeltis-server 0.2.1 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 crates.io crate xenopeltis-server 0.2.1 [INFO] finished tweaking crates.io crate xenopeltis-server 0.2.1 [INFO] tweaked toml for crates.io crate xenopeltis-server 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate xenopeltis-server 0.2.1 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded xenopeltis-common v0.2.1 [INFO] [stderr] Downloaded enum-ordinalize v3.1.10 [INFO] [stderr] Downloaded educe v0.4.18 [INFO] [stderr] Downloaded libc v0.2.116 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eea79878c5692fecade3d9348bb4cdb19ce2bb44421dff73e4929e96d3c0c101 [INFO] running `Command { std: "docker" "start" "-a" "eea79878c5692fecade3d9348bb4cdb19ce2bb44421dff73e4929e96d3c0c101", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eea79878c5692fecade3d9348bb4cdb19ce2bb44421dff73e4929e96d3c0c101", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eea79878c5692fecade3d9348bb4cdb19ce2bb44421dff73e4929e96d3c0c101", kill_on_drop: false }` [INFO] [stdout] eea79878c5692fecade3d9348bb4cdb19ce2bb44421dff73e4929e96d3c0c101 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 812592d4c5a99e2b3367e3371ed40e0279c742906cbf993a127b468e3e7f94bc [INFO] running `Command { std: "docker" "start" "-a" "812592d4c5a99e2b3367e3371ed40e0279c742906cbf993a127b468e3e7f94bc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling enum-ordinalize v3.1.10 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Compiling educe v0.4.18 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking xenopeltis-common v0.2.1 [INFO] [stderr] Checking tokio-serde v0.8.0 [INFO] [stderr] Checking xenopeltis-server v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio::io::AsyncWriteExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/main.rs:13:30 [INFO] [stdout] | [INFO] [stdout] 13 | use tokio::sync::broadcast::{channel, Receiver}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio::io::AsyncWriteExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/main.rs:13:30 [INFO] [stdout] | [INFO] [stdout] 13 | use tokio::sync::broadcast::{channel, Receiver}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:63:42 [INFO] [stdout] | [INFO] [stdout] 63 | async fn handler(game: Arc>, mut connection: TcpStream, peer: SocketAddr) { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:63:42 [INFO] [stdout] | [INFO] [stdout] 63 | async fn handler(game: Arc>, mut connection: TcpStream, peer: SocketAddr) { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 127 | / loop { [INFO] [stdout] 128 | | let (stream, peer) = listener.accept().await?; [INFO] [stdout] 129 | | tokio::spawn(handler(game.clone(), stream, peer)); [INFO] [stdout] 130 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 131 | [INFO] [stdout] 132 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut food = true; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peer` [INFO] [stdout] --> src/game.rs:185:36 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn messages_initial(&self, peer: SocketAddr) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_peer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 127 | / loop { [INFO] [stdout] 128 | | let (stream, peer) = listener.accept().await?; [INFO] [stdout] 129 | | tokio::spawn(handler(game.clone(), stream, peer)); [INFO] [stdout] 130 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 131 | [INFO] [stdout] 132 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/game.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used [INFO] [stdout] --> src/game.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl State { [INFO] [stdout] | ----------------------- associated items in this implementation [INFO] [stdout] 17 | pub fn new(initial: T, rows: usize, cols: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn get(&self, row: usize, col: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn set(&mut self, row: usize, col: usize, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut food = true; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peer` [INFO] [stdout] --> src/game.rs:185:36 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn messages_initial(&self, peer: SocketAddr) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_peer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | framed.send(message).await; [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] 50 | let _ = framed.send(message).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:17 [INFO] [stdout] | [INFO] [stdout] 56 | framed.send(event).await; [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] 56 | let _ = framed.send(event).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | self.state_set(row, col, Field::Snake(color)); [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] 83 | let _ = self.state_set(row, col, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | / self.state_set( [INFO] [stdout] 110 | | *row, [INFO] [stdout] 111 | | *col, [INFO] [stdout] 112 | | match food { [INFO] [stdout] ... | [INFO] [stdout] 115 | | }, [INFO] [stdout] 116 | | ); [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] 109 | let _ = self.state_set( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:155:9 [INFO] [stdout] | [INFO] [stdout] 155 | self.state_set(row, col, Field::Food(false)); [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] 155 | let _ = self.state_set(row, col, Field::Food(false)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:243:17 [INFO] [stdout] | [INFO] [stdout] 243 | self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [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] 243 | let _ = self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:256:17 [INFO] [stdout] | [INFO] [stdout] 256 | self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [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] 256 | let _ = self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:257:17 [INFO] [stdout] | [INFO] [stdout] 257 | self.state_set(last.0 as usize, last.1 as usize, Field::Empty); [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] 257 | let _ = self.state_set(last.0 as usize, last.1 as usize, Field::Empty); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/game.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used [INFO] [stdout] --> src/game.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl State { [INFO] [stdout] | ----------------------- associated items in this implementation [INFO] [stdout] 17 | pub fn new(initial: T, rows: usize, cols: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn get(&self, row: usize, col: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn set(&mut self, row: usize, col: usize, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | framed.send(message).await; [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] 50 | let _ = framed.send(message).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:17 [INFO] [stdout] | [INFO] [stdout] 56 | framed.send(event).await; [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] 56 | let _ = framed.send(event).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | self.state_set(row, col, Field::Snake(color)); [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] 83 | let _ = self.state_set(row, col, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | / self.state_set( [INFO] [stdout] 110 | | *row, [INFO] [stdout] 111 | | *col, [INFO] [stdout] 112 | | match food { [INFO] [stdout] ... | [INFO] [stdout] 115 | | }, [INFO] [stdout] 116 | | ); [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] 109 | let _ = self.state_set( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:155:9 [INFO] [stdout] | [INFO] [stdout] 155 | self.state_set(row, col, Field::Food(false)); [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] 155 | let _ = self.state_set(row, col, Field::Food(false)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:243:17 [INFO] [stdout] | [INFO] [stdout] 243 | self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [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] 243 | let _ = self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:256:17 [INFO] [stdout] | [INFO] [stdout] 256 | self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [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] 256 | let _ = self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:257:17 [INFO] [stdout] | [INFO] [stdout] 257 | self.state_set(last.0 as usize, last.1 as usize, Field::Empty); [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] 257 | let _ = self.state_set(last.0 as usize, last.1 as usize, Field::Empty); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.93s [INFO] running `Command { std: "docker" "inspect" "812592d4c5a99e2b3367e3371ed40e0279c742906cbf993a127b468e3e7f94bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "812592d4c5a99e2b3367e3371ed40e0279c742906cbf993a127b468e3e7f94bc", kill_on_drop: false }` [INFO] [stdout] 812592d4c5a99e2b3367e3371ed40e0279c742906cbf993a127b468e3e7f94bc [INFO] checking xenopeltis-server-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate xenopeltis-server 0.2.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate xenopeltis-server 0.2.1 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 crates.io crate xenopeltis-server 0.2.1 [INFO] finished tweaking crates.io crate xenopeltis-server 0.2.1 [INFO] tweaked toml for crates.io crate xenopeltis-server 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate xenopeltis-server 0.2.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c84c7202d8ce07c90f17cb3f9314914b59bcf7635c80205287ec1bcd57f63cde [INFO] running `Command { std: "docker" "start" "-a" "c84c7202d8ce07c90f17cb3f9314914b59bcf7635c80205287ec1bcd57f63cde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c84c7202d8ce07c90f17cb3f9314914b59bcf7635c80205287ec1bcd57f63cde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c84c7202d8ce07c90f17cb3f9314914b59bcf7635c80205287ec1bcd57f63cde", kill_on_drop: false }` [INFO] [stdout] c84c7202d8ce07c90f17cb3f9314914b59bcf7635c80205287ec1bcd57f63cde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8193f7e4875ee7250d1f5f7712b2d233f272977a6b9a59d6e1a63aeba28c16e2 [INFO] running `Command { std: "docker" "start" "-a" "8193f7e4875ee7250d1f5f7712b2d233f272977a6b9a59d6e1a63aeba28c16e2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling enum-ordinalize v3.1.10 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling educe v0.4.18 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking xenopeltis-common v0.2.1 [INFO] [stderr] Checking tokio-serde v0.8.0 [INFO] [stderr] Checking xenopeltis-server v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio::io::AsyncWriteExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/main.rs:13:30 [INFO] [stdout] | [INFO] [stdout] 13 | use tokio::sync::broadcast::{channel, Receiver}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio::io::AsyncWriteExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/main.rs:13:30 [INFO] [stdout] | [INFO] [stdout] 13 | use tokio::sync::broadcast::{channel, Receiver}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:63:42 [INFO] [stdout] | [INFO] [stdout] 63 | async fn handler(game: Arc>, mut connection: TcpStream, peer: SocketAddr) { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:63:42 [INFO] [stdout] | [INFO] [stdout] 63 | async fn handler(game: Arc>, mut connection: TcpStream, peer: SocketAddr) { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 127 | / loop { [INFO] [stdout] 128 | | let (stream, peer) = listener.accept().await?; [INFO] [stdout] 129 | | tokio::spawn(handler(game.clone(), stream, peer)); [INFO] [stdout] 130 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 131 | [INFO] [stdout] 132 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 127 | / loop { [INFO] [stdout] 128 | | let (stream, peer) = listener.accept().await?; [INFO] [stdout] 129 | | tokio::spawn(handler(game.clone(), stream, peer)); [INFO] [stdout] 130 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 131 | [INFO] [stdout] 132 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut food = true; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut food = true; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peer` [INFO] [stdout] --> src/game.rs:185:36 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn messages_initial(&self, peer: SocketAddr) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_peer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peer` [INFO] [stdout] --> src/game.rs:185:36 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn messages_initial(&self, peer: SocketAddr) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_peer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/game.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used [INFO] [stdout] --> src/game.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl State { [INFO] [stdout] | ----------------------- associated items in this implementation [INFO] [stdout] 17 | pub fn new(initial: T, rows: usize, cols: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn get(&self, row: usize, col: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn set(&mut self, row: usize, col: usize, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `State` is never constructed [INFO] [stdout] --> src/game.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used [INFO] [stdout] --> src/game.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl State { [INFO] [stdout] | ----------------------- associated items in this implementation [INFO] [stdout] 17 | pub fn new(initial: T, rows: usize, cols: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn get(&self, row: usize, col: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn set(&mut self, row: usize, col: usize, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | framed.send(message).await; [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] 50 | let _ = framed.send(message).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | framed.send(message).await; [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] 50 | let _ = framed.send(message).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:17 [INFO] [stdout] | [INFO] [stdout] 56 | framed.send(event).await; [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] 56 | let _ = framed.send(event).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:17 [INFO] [stdout] | [INFO] [stdout] 56 | framed.send(event).await; [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] 56 | let _ = framed.send(event).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | self.state_set(row, col, Field::Snake(color)); [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] 83 | let _ = self.state_set(row, col, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | self.state_set(row, col, Field::Snake(color)); [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] 83 | let _ = self.state_set(row, col, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | / self.state_set( [INFO] [stdout] 110 | | *row, [INFO] [stdout] 111 | | *col, [INFO] [stdout] 112 | | match food { [INFO] [stdout] ... | [INFO] [stdout] 115 | | }, [INFO] [stdout] 116 | | ); [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] 109 | let _ = self.state_set( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:155:9 [INFO] [stdout] | [INFO] [stdout] 155 | self.state_set(row, col, Field::Food(false)); [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] 155 | let _ = self.state_set(row, col, Field::Food(false)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | / self.state_set( [INFO] [stdout] 110 | | *row, [INFO] [stdout] 111 | | *col, [INFO] [stdout] 112 | | match food { [INFO] [stdout] ... | [INFO] [stdout] 115 | | }, [INFO] [stdout] 116 | | ); [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] 109 | let _ = self.state_set( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:243:17 [INFO] [stdout] | [INFO] [stdout] 243 | self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [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] 243 | let _ = self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:155:9 [INFO] [stdout] | [INFO] [stdout] 155 | self.state_set(row, col, Field::Food(false)); [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] 155 | let _ = self.state_set(row, col, Field::Food(false)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:256:17 [INFO] [stdout] | [INFO] [stdout] 256 | self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [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] 256 | let _ = self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:257:17 [INFO] [stdout] | [INFO] [stdout] 257 | self.state_set(last.0 as usize, last.1 as usize, Field::Empty); [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] 257 | let _ = self.state_set(last.0 as usize, last.1 as usize, Field::Empty); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:243:17 [INFO] [stdout] | [INFO] [stdout] 243 | self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [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] 243 | let _ = self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:256:17 [INFO] [stdout] | [INFO] [stdout] 256 | self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [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] 256 | let _ = self.state_set(next.0 as usize, next.1 as usize, Field::Snake(color)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game.rs:257:17 [INFO] [stdout] | [INFO] [stdout] 257 | self.state_set(last.0 as usize, last.1 as usize, Field::Empty); [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] 257 | let _ = self.state_set(last.0 as usize, last.1 as usize, Field::Empty); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.36s [INFO] running `Command { std: "docker" "inspect" "8193f7e4875ee7250d1f5f7712b2d233f272977a6b9a59d6e1a63aeba28c16e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8193f7e4875ee7250d1f5f7712b2d233f272977a6b9a59d6e1a63aeba28c16e2", kill_on_drop: false }` [INFO] [stdout] 8193f7e4875ee7250d1f5f7712b2d233f272977a6b9a59d6e1a63aeba28c16e2