[INFO] cloning repository https://github.com/Paradyx/sound-board-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Paradyx/sound-board-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParadyx%2Fsound-board-rs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParadyx%2Fsound-board-rs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 167a7681a8c0ebf0083de5bd22ed9453691fb259 [INFO] checking Paradyx/sound-board-rs against try#96b3c169cd2d8959926fa240f10342f1659f8ae3 for pr-71896 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParadyx%2Fsound-board-rs" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Paradyx/sound-board-rs on toolchain 96b3c169cd2d8959926fa240f10342f1659f8ae3 [INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Paradyx/sound-board-rs [INFO] finished tweaking git repo https://github.com/Paradyx/sound-board-rs [INFO] tweaked toml for git repo https://github.com/Paradyx/sound-board-rs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Paradyx/sound-board-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating git repository `https://github.com/musitdev/portmidi-rs` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 89a45dd2ad03254ab058f563a6f382241948d4feba9abfd89c9bec63290ebde2 [INFO] running `"docker" "start" "-a" "89a45dd2ad03254ab058f563a6f382241948d4feba9abfd89c9bec63290ebde2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Compiling cpal v0.11.0 [INFO] [stderr] Checking tinyvec v0.3.3 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking portmidi v0.2.4 (https://github.com/musitdev/portmidi-rs#7d3d5217) [INFO] [stderr] Checking array-init v0.1.1 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling opus-sys v0.2.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking ogg v0.7.0 [INFO] [stderr] Compiling minimp3-sys v0.3.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking slice-deque v0.3.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking lewton v0.10.1 [INFO] [stderr] Checking opus v0.2.1 [INFO] [stderr] Checking minimp3 v0.3.5 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling thiserror-impl v1.0.15 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking thiserror v1.0.15 [INFO] [stderr] Checking rodio v0.11.0 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking serde v1.0.106 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking sound-board-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/sound_board/mod.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/sound_board/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::launchpad::colors::Color` [INFO] [stderr] --> src/sound_board/mod.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::launchpad::colors::Color; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::hash_map::Entry::Occupied` [INFO] [stderr] --> src/sound_board/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::collections::hash_map::Entry::Occupied; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::btree_map::Entry::Vacant` [INFO] [stderr] --> src/sound_board/mod.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::collections::btree_map::Entry::Vacant; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Button` [INFO] [stderr] --> src/tracks/toggle.rs:5:37 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::launchpad::{ButtonEvent, Button}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Button` [INFO] [stderr] --> src/tracks/mod.rs:4:37 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::launchpad::{ButtonEvent, Button}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::exit` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::process::exit; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SystemTimeError` [INFO] [stderr] --> src/main.rs:11:39 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time::{Duration, SystemTime, SystemTimeError}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TrackConfig` [INFO] [stderr] --> src/main.rs:13:33 [INFO] [stderr] | [INFO] [stderr] 13 | use crate::settings::{Settings, TrackConfig}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `LaunchpadMiniButton` [INFO] [stderr] --> src/main.rs:14:55 [INFO] [stderr] | [INFO] [stderr] 14 | use crate::launchpad::launchpad_mini::{LaunchpadMini, LaunchpadMiniButton}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `EventHandler` [INFO] [stderr] --> src/main.rs:15:38 [INFO] [stderr] | [INFO] [stderr] 15 | use crate::sound_board::{SoundBoard, EventHandler}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ButtonEvent`, `Button` [INFO] [stderr] --> src/main.rs:16:24 [INFO] [stderr] | [INFO] [stderr] 16 | use crate::launchpad::{ButtonEvent, Button}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Track`, `from_config` [INFO] [stderr] --> src/main.rs:17:21 [INFO] [stderr] | [INFO] [stderr] 17 | use crate::tracks::{Track, from_config}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::launchpad::colors::RGColor` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use crate::launchpad::colors::RGColor; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::fmt` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use core::fmt; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/sound_board/mod.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/sound_board/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::launchpad::colors::Color` [INFO] [stderr] --> src/sound_board/mod.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::launchpad::colors::Color; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::hash_map::Entry::Occupied` [INFO] [stderr] --> src/sound_board/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::collections::hash_map::Entry::Occupied; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::btree_map::Entry::Vacant` [INFO] [stderr] --> src/sound_board/mod.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::collections::btree_map::Entry::Vacant; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Button` [INFO] [stderr] --> src/tracks/toggle.rs:5:37 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::launchpad::{ButtonEvent, Button}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Button` [INFO] [stderr] --> src/tracks/mod.rs:4:37 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::launchpad::{ButtonEvent, Button}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::exit` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::process::exit; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SystemTimeError` [INFO] [stderr] --> src/main.rs:11:39 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time::{Duration, SystemTime, SystemTimeError}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TrackConfig` [INFO] [stderr] --> src/main.rs:13:33 [INFO] [stderr] | [INFO] [stderr] 13 | use crate::settings::{Settings, TrackConfig}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `LaunchpadMiniButton` [INFO] [stderr] --> src/main.rs:14:55 [INFO] [stderr] | [INFO] [stderr] 14 | use crate::launchpad::launchpad_mini::{LaunchpadMini, LaunchpadMiniButton}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `EventHandler` [INFO] [stderr] --> src/main.rs:15:38 [INFO] [stderr] | [INFO] [stderr] 15 | use crate::sound_board::{SoundBoard, EventHandler}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ButtonEvent`, `Button` [INFO] [stderr] --> src/main.rs:16:24 [INFO] [stderr] | [INFO] [stderr] 16 | use crate::launchpad::{ButtonEvent, Button}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Track`, `from_config` [INFO] [stderr] --> src/main.rs:17:21 [INFO] [stderr] | [INFO] [stderr] 17 | use crate::tracks::{Track, from_config}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::launchpad::colors::RGColor` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use crate::launchpad::colors::RGColor; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::fmt` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use core::fmt; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `IllegalButtonIdError` [INFO] [stderr] --> src/launchpad/error.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | IllegalButtonIdError(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/settings.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | s.merge(File::from(config)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/launchpad/launchpad_mini.rs:247:9 [INFO] [stderr] | [INFO] [stderr] 247 | launchpad.set_all(rg_color_code(0, 3)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/launchpad/launchpad_mini.rs:249:9 [INFO] [stderr] | [INFO] [stderr] 249 | launchpad.poll(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/launchpad/launchpad_mini.rs:252:9 [INFO] [stderr] | [INFO] [stderr] 252 | launchpad.reset_all(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/launchpad/launchpad_mini.rs:283:13 [INFO] [stderr] | [INFO] [stderr] 283 | self.tx.write_message(msg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sound_board/mod.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | self.launchpad.set_led(&button, initial_color); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 24 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `IllegalButtonIdError` [INFO] [stderr] --> src/launchpad/error.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | IllegalButtonIdError(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/settings.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | s.merge(File::from(config)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/launchpad/launchpad_mini.rs:247:9 [INFO] [stderr] | [INFO] [stderr] 247 | launchpad.set_all(rg_color_code(0, 3)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/launchpad/launchpad_mini.rs:249:9 [INFO] [stderr] | [INFO] [stderr] 249 | launchpad.poll(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/launchpad/launchpad_mini.rs:252:9 [INFO] [stderr] | [INFO] [stderr] 252 | launchpad.reset_all(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/launchpad/launchpad_mini.rs:283:13 [INFO] [stderr] | [INFO] [stderr] 283 | self.tx.write_message(msg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sound_board/mod.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | self.launchpad.set_led(&button, initial_color); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 24 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 29s [INFO] running `"docker" "inspect" "89a45dd2ad03254ab058f563a6f382241948d4feba9abfd89c9bec63290ebde2"` [INFO] running `"docker" "rm" "-f" "89a45dd2ad03254ab058f563a6f382241948d4feba9abfd89c9bec63290ebde2"` [INFO] [stdout] 89a45dd2ad03254ab058f563a6f382241948d4feba9abfd89c9bec63290ebde2