[INFO] cloning repository https://github.com/Rocket-Dave03/oscilloscope [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rocket-Dave03/oscilloscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRocket-Dave03%2Foscilloscope", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRocket-Dave03%2Foscilloscope'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8216c0300aaa6e7f39423a4bfda36d4e6b04f4b4 [INFO] building Rocket-Dave03/oscilloscope against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRocket-Dave03%2Foscilloscope" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Rocket-Dave03/oscilloscope [INFO] finished tweaking git repo https://github.com/Rocket-Dave03/oscilloscope [INFO] tweaked toml for git repo https://github.com/Rocket-Dave03/oscilloscope written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Rocket-Dave03/oscilloscope on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 204 packages to latest compatible versions [INFO] [stderr] Adding cpal v0.15.3 (available: v0.16.0) [INFO] [stderr] Adding egui v0.31.1 (available: v0.32.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14d5c5ec0c2a7d995f2c162954b3e545cf5f0889e6f9d0d5c1d1a9badee548c0 [INFO] running `Command { std: "docker" "start" "-a" "14d5c5ec0c2a7d995f2c162954b3e545cf5f0889e6f9d0d5c1d1a9badee548c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14d5c5ec0c2a7d995f2c162954b3e545cf5f0889e6f9d0d5c1d1a9badee548c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14d5c5ec0c2a7d995f2c162954b3e545cf5f0889e6f9d0d5c1d1a9badee548c0", kill_on_drop: false }` [INFO] [stdout] 14d5c5ec0c2a7d995f2c162954b3e545cf5f0889e6f9d0d5c1d1a9badee548c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 354b991caaff908766e84390c787714d3b05ae5555128e8f09b41146019edcd1 [INFO] running `Command { std: "docker" "start" "-a" "354b991caaff908766e84390c787714d3b05ae5555128e8f09b41146019edcd1", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling find-msvc-tools v0.1.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling semver v1.0.27 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling cc v1.2.39 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling pathfinder_simd v0.5.5 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling ttf-parser v0.25.1 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling cmake v0.1.54 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling emath v0.31.1 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling link-cplusplus v1.0.12 [INFO] [stderr] Compiling ab_glyph_rasterizer v0.1.10 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling unicode-joining-type v0.7.0 [INFO] [stderr] Compiling unicode-canonical-combining-class v0.5.0 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling alloc-no-stdlib v2.0.4 [INFO] [stderr] Compiling unicode-general-category v0.6.0 [INFO] [stderr] Compiling alloc-stdlib v0.2.2 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling ecolor v0.31.1 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling owned_ttf_parser v0.25.1 [INFO] [stderr] Compiling ab_glyph v0.2.31 [INFO] [stderr] Compiling sfml v0.24.0 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling epaint_default_fonts v0.31.1 [INFO] [stderr] Compiling glu-sys v0.1.4 [INFO] [stderr] Compiling utf8parse v0.2.2 [INFO] [stderr] Compiling aliasable v0.1.3 [INFO] [stderr] Compiling nohash-hasher v0.2.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Compiling cpal v0.15.3 [INFO] [stderr] Compiling profiling v1.0.17 [INFO] [stderr] Compiling epaint v0.31.1 [INFO] [stderr] Compiling anstyle-parse v0.2.7 [INFO] [stderr] Compiling tinyvec v1.10.0 [INFO] [stderr] Compiling alsa v0.9.1 [INFO] [stderr] Compiling pathfinder_geometry v0.5.1 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling ouroboros_macro v0.17.2 [INFO] [stderr] Compiling brotli-decompressor v4.0.3 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling encoding_rs v0.8.35 [INFO] [stderr] Compiling bitreader v0.3.11 [INFO] [stderr] Compiling glyph-names v0.2.0 [INFO] [stderr] Compiling ouroboros v0.17.2 [INFO] [stderr] Compiling widestring v1.2.0 [INFO] [stderr] Compiling colorchoice v1.0.4 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.1 [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling dasp_sample v0.11.0 [INFO] [stderr] Compiling anstyle-query v1.1.4 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling anstyle v1.0.11 [INFO] [stderr] Compiling anstream v0.6.20 [INFO] [stderr] Compiling allsorts-subset-browser v0.16.0 [INFO] [stderr] Compiling env_filter v0.1.3 [INFO] [stderr] Compiling egui v0.31.1 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling mmapio v0.9.1 [INFO] [stderr] Compiling xmlparser v0.13.6 [INFO] [stderr] Compiling jiff v0.2.15 [INFO] [stderr] Compiling base64 v0.22.1 [INFO] [stderr] Compiling oscilloscope-audio v0.1.0 (/opt/rustwide/workdir/oscilloscope-audio) [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> oscilloscope-audio/src/lib.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn thread_start(tx: SyncSender, rx: Receiver) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bezier v0.0.0 (/opt/rustwide/workdir/bezier) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> bezier/src/lib.rs:36:14 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mesh(&self) -> BezierCurveMesh { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mesh(&self) -> BezierCurveMesh<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rust-fontconfig v1.0.2 [INFO] [stderr] Compiling env_logger v0.11.8 [INFO] [stderr] Compiling egui-sfml v0.9.0 [INFO] [stderr] Compiling sfml-renderer v0.1.0 (/opt/rustwide/workdir/sfml-renderer) [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> sfml-renderer/src/main.rs:135:10 [INFO] [stdout] | [INFO] [stdout] 135 | let mut message = String::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> sfml-renderer/src/main.rs:136:10 [INFO] [stdout] | [INFO] [stdout] 136 | let mut messages: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> sfml-renderer/src/main.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 195 | Ok(msg) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> sfml-renderer/src/main.rs:135:6 [INFO] [stdout] | [INFO] [stdout] 135 | let mut message = String::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> sfml-renderer/src/main.rs:136:6 [INFO] [stdout] | [INFO] [stdout] 136 | let mut messages: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `draw_ui` is never used [INFO] [stdout] --> sfml-renderer/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn draw_ui( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 01s [INFO] running `Command { std: "docker" "inspect" "354b991caaff908766e84390c787714d3b05ae5555128e8f09b41146019edcd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "354b991caaff908766e84390c787714d3b05ae5555128e8f09b41146019edcd1", kill_on_drop: false }` [INFO] [stdout] 354b991caaff908766e84390c787714d3b05ae5555128e8f09b41146019edcd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 698f05e064b943566d23663e1b57c8cc51bad744cc5ea40fc7fb71f1ffd593af [INFO] running `Command { std: "docker" "start" "-a" "698f05e064b943566d23663e1b57c8cc51bad744cc5ea40fc7fb71f1ffd593af", kill_on_drop: false }` [INFO] [stderr] Compiling oscilloscope-audio v0.1.0 (/opt/rustwide/workdir/oscilloscope-audio) [INFO] [stderr] Compiling bezier v0.0.0 (/opt/rustwide/workdir/bezier) [INFO] [stderr] Compiling sfml-renderer v0.1.0 (/opt/rustwide/workdir/sfml-renderer) [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> oscilloscope-audio/src/lib.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn thread_start(tx: SyncSender, rx: Receiver) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> bezier/src/lib.rs:36:14 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mesh(&self) -> BezierCurveMesh { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mesh(&self) -> BezierCurveMesh<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> bezier/src/lib.rs:294:6 [INFO] [stdout] | [INFO] [stdout] 294 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> bezier/src/lib.rs:36:14 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mesh(&self) -> BezierCurveMesh { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mesh(&self) -> BezierCurveMesh<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> oscilloscope-audio/src/lib.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn thread_start(tx: SyncSender, rx: Receiver) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> sfml-renderer/src/main.rs:135:10 [INFO] [stdout] | [INFO] [stdout] 135 | let mut message = String::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> sfml-renderer/src/main.rs:136:10 [INFO] [stdout] | [INFO] [stdout] 136 | let mut messages: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> sfml-renderer/src/main.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 195 | Ok(msg) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> sfml-renderer/src/main.rs:135:6 [INFO] [stdout] | [INFO] [stdout] 135 | let mut message = String::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> sfml-renderer/src/main.rs:136:6 [INFO] [stdout] | [INFO] [stdout] 136 | let mut messages: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `draw_ui` is never used [INFO] [stdout] --> sfml-renderer/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn draw_ui( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.34s [INFO] running `Command { std: "docker" "inspect" "698f05e064b943566d23663e1b57c8cc51bad744cc5ea40fc7fb71f1ffd593af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "698f05e064b943566d23663e1b57c8cc51bad744cc5ea40fc7fb71f1ffd593af", kill_on_drop: false }` [INFO] [stdout] 698f05e064b943566d23663e1b57c8cc51bad744cc5ea40fc7fb71f1ffd593af