[INFO] updating cached repository dobrakmato/rust-mod-tracker [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/dobrakmato/rust-mod-tracker [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/dobrakmato/rust-mod-tracker" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dobrakmato/rust-mod-tracker"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dobrakmato/rust-mod-tracker'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/dobrakmato/rust-mod-tracker" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dobrakmato/rust-mod-tracker"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dobrakmato/rust-mod-tracker'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 524533be253804233fc261fafb8ca612ef63ce5d [INFO] sha for GitHub repo dobrakmato/rust-mod-tracker: 524533be253804233fc261fafb8ca612ef63ce5d [INFO] validating manifest of dobrakmato/rust-mod-tracker on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of dobrakmato/rust-mod-tracker on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing dobrakmato/rust-mod-tracker [INFO] finished frobbing dobrakmato/rust-mod-tracker [INFO] frobbed toml for dobrakmato/rust-mod-tracker written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dobrakmato/rust-mod-tracker/Cargo.toml [INFO] started frobbing dobrakmato/rust-mod-tracker [INFO] finished frobbing dobrakmato/rust-mod-tracker [INFO] frobbed toml for dobrakmato/rust-mod-tracker written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dobrakmato/rust-mod-tracker/Cargo.toml [INFO] crate dobrakmato/rust-mod-tracker already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking dobrakmato/rust-mod-tracker against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dobrakmato/rust-mod-tracker:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5be5b41d4dee6d33caa61363feff58bb7db9bcbabbf32d0c89a127e219173cc5 [INFO] running `"docker" "start" "-a" "5be5b41d4dee6d33caa61363feff58bb7db9bcbabbf32d0c89a127e219173cc5"` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ghakuf v0.5.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling x11 v2.18.1 [INFO] [stderr] Compiling device_query v0.1.3 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking getrandom v0.1.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking cpal v0.9.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Compiling rand_derive v0.5.0 [INFO] [stderr] Checking mod_tracker v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `DeviceQuery`, `DeviceState`, `Keycode` [INFO] [stderr] --> src/main.rs:4:20 [INFO] [stderr] | [INFO] [stderr] 4 | use device_query::{Keycode, DeviceState, DeviceQuery}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Event`, `note2freq` [INFO] [stderr] --> src/main.rs:5:36 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::midi::{load_midi, Kind, note2freq, Player, Event, MidiPlayback}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::max` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::cmp::max; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Osc`, `Shape` [INFO] [stderr] --> src/main.rs:11:18 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::osc::{Osc, Shape}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ffi::OsStr` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::ffi::OsStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Preset`, `Synth` [INFO] [stderr] --> src/main.rs:16:20 [INFO] [stderr] | [INFO] [stderr] 16 | use crate::synth::{Synth, Preset}; [INFO] [stderr] | ^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::filter::Mode` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use crate::filter::Mode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path` [INFO] [stderr] --> src/midi.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::path; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:47:18 [INFO] [stderr] | [INFO] [stderr] 47 | 0...7 => GMFamily::Piano, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:48:18 [INFO] [stderr] | [INFO] [stderr] 48 | 8...15 => GMFamily::ChromaticPercussion, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:49:19 [INFO] [stderr] | [INFO] [stderr] 49 | 16...23 => GMFamily::Organ, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:50:19 [INFO] [stderr] | [INFO] [stderr] 50 | 14...31 => GMFamily::Guitar, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:51:19 [INFO] [stderr] | [INFO] [stderr] 51 | 32...39 => GMFamily::Bass, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:52:19 [INFO] [stderr] | [INFO] [stderr] 52 | 40...47 => GMFamily::Strings, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:53:19 [INFO] [stderr] | [INFO] [stderr] 53 | 48...55 => GMFamily::Ensemble, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:54:19 [INFO] [stderr] | [INFO] [stderr] 54 | 56...63 => GMFamily::Brass, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:55:19 [INFO] [stderr] | [INFO] [stderr] 55 | 64...71 => GMFamily::Reed, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:56:19 [INFO] [stderr] | [INFO] [stderr] 56 | 72...79 => GMFamily::Pipe, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:57:19 [INFO] [stderr] | [INFO] [stderr] 57 | 80...88 => GMFamily::SynthLead, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:58:19 [INFO] [stderr] | [INFO] [stderr] 58 | 88...95 => GMFamily::SynthPad, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:59:19 [INFO] [stderr] | [INFO] [stderr] 59 | 96...103 => GMFamily::SynthEffects, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:60:20 [INFO] [stderr] | [INFO] [stderr] 60 | 104...111 => GMFamily::Ethnic, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:61:20 [INFO] [stderr] | [INFO] [stderr] 61 | 112...119 => GMFamily::Percussive, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:62:20 [INFO] [stderr] | [INFO] [stderr] 62 | 120...127 => GMFamily::SoundEffects, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/midi.rs:192:33 [INFO] [stderr] | [INFO] [stderr] 192 | self.midi.total_time += (delta_time as f64 * self.midi.tick_length); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Decay`, `Sustain` [INFO] [stderr] --> src/synth.rs:1:41 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::env::EnvelopeState::{Attack, Sustain, Off, Decay, Release}; [INFO] [stderr] | ^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand_derive': this crate is deprecated without replacement [INFO] [stderr] --> src/main.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | extern crate rand_derive; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DeviceQuery`, `DeviceState`, `Keycode` [INFO] [stderr] --> src/main.rs:4:20 [INFO] [stderr] | [INFO] [stderr] 4 | use device_query::{Keycode, DeviceState, DeviceQuery}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Event`, `note2freq` [INFO] [stderr] --> src/main.rs:5:36 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::midi::{load_midi, Kind, note2freq, Player, Event, MidiPlayback}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::max` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::cmp::max; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Osc`, `Shape` [INFO] [stderr] --> src/main.rs:11:18 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::osc::{Osc, Shape}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ffi::OsStr` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::ffi::OsStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Preset`, `Synth` [INFO] [stderr] --> src/main.rs:16:20 [INFO] [stderr] | [INFO] [stderr] 16 | use crate::synth::{Synth, Preset}; [INFO] [stderr] | ^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::filter::Mode` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use crate::filter::Mode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path` [INFO] [stderr] --> src/midi.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::path; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:47:18 [INFO] [stderr] | [INFO] [stderr] 47 | 0...7 => GMFamily::Piano, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:48:18 [INFO] [stderr] | [INFO] [stderr] 48 | 8...15 => GMFamily::ChromaticPercussion, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:49:19 [INFO] [stderr] | [INFO] [stderr] 49 | 16...23 => GMFamily::Organ, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:50:19 [INFO] [stderr] | [INFO] [stderr] 50 | 14...31 => GMFamily::Guitar, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:51:19 [INFO] [stderr] | [INFO] [stderr] 51 | 32...39 => GMFamily::Bass, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:52:19 [INFO] [stderr] | [INFO] [stderr] 52 | 40...47 => GMFamily::Strings, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:53:19 [INFO] [stderr] | [INFO] [stderr] 53 | 48...55 => GMFamily::Ensemble, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:54:19 [INFO] [stderr] | [INFO] [stderr] 54 | 56...63 => GMFamily::Brass, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:55:19 [INFO] [stderr] | [INFO] [stderr] 55 | 64...71 => GMFamily::Reed, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:56:19 [INFO] [stderr] | [INFO] [stderr] 56 | 72...79 => GMFamily::Pipe, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:57:19 [INFO] [stderr] | [INFO] [stderr] 57 | 80...88 => GMFamily::SynthLead, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:58:19 [INFO] [stderr] | [INFO] [stderr] 58 | 88...95 => GMFamily::SynthPad, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:59:19 [INFO] [stderr] | [INFO] [stderr] 59 | 96...103 => GMFamily::SynthEffects, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:60:20 [INFO] [stderr] | [INFO] [stderr] 60 | 104...111 => GMFamily::Ethnic, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:61:20 [INFO] [stderr] | [INFO] [stderr] 61 | 112...119 => GMFamily::Percussive, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/midi.rs:62:20 [INFO] [stderr] | [INFO] [stderr] 62 | 120...127 => GMFamily::SoundEffects, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/midi.rs:192:33 [INFO] [stderr] | [INFO] [stderr] 192 | self.midi.total_time += (delta_time as f64 * self.midi.tick_length); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Decay`, `Sustain` [INFO] [stderr] --> src/synth.rs:1:41 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::env::EnvelopeState::{Attack, Sustain, Off, Decay, Release}; [INFO] [stderr] | ^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand_derive': this crate is deprecated without replacement [INFO] [stderr] --> src/main.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | extern crate rand_derive; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `freq` [INFO] [stderr] --> src/osc.rs:37:39 [INFO] [stderr] | [INFO] [stderr] 37 | if self.pitch_mod < 0.0 { let freq = -modulated_freq; } [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_freq` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `t` is never read [INFO] [stderr] --> src/math.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | let mut t = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_type` [INFO] [stderr] --> src/midi.rs:186:34 [INFO] [stderr] | [INFO] [stderr] 186 | MetaEvent::Unknown { event_type } => {} /* silent */ [INFO] [stderr] | ^^^^^^^^^^ help: try ignoring the field: `event_type: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `velocity` [INFO] [stderr] --> src/midi.rs:196:44 [INFO] [stderr] | [INFO] [stderr] 196 | MidiEvent::NoteOff { ch, note, velocity } | MidiEvent::NoteOn { ch, note, velocity: velocity @ 0 } => { [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^ [INFO] [stderr] help: try ignoring the field [INFO] [stderr] | [INFO] [stderr] 196 | MidiEvent::NoteOff { ch, note, velocity: _velocity: _ } | MidiEvent::NoteOn { ch, note, velocity: velocity @ 0 } => { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/midi.rs:221:40 [INFO] [stderr] | [INFO] [stderr] 221 | MidiEvent::ControlChange { ch, control, data } => {} [INFO] [stderr] | ^^ help: try ignoring the field: `ch: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `control` [INFO] [stderr] --> src/midi.rs:221:44 [INFO] [stderr] | [INFO] [stderr] 221 | MidiEvent::ControlChange { ch, control, data } => {} [INFO] [stderr] | ^^^^^^^ help: try ignoring the field: `control: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/midi.rs:221:53 [INFO] [stderr] | [INFO] [stderr] 221 | MidiEvent::ControlChange { ch, control, data } => {} [INFO] [stderr] | ^^^^ help: try ignoring the field: `data: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/midi.rs:222:42 [INFO] [stderr] | [INFO] [stderr] 222 | MidiEvent::PitchBendChange { ch, data } => {} [INFO] [stderr] | ^^ help: try ignoring the field: `ch: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/midi.rs:222:46 [INFO] [stderr] | [INFO] [stderr] 222 | MidiEvent::PitchBendChange { ch, data } => {} [INFO] [stderr] | ^^^^ help: try ignoring the field: `data: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/midi.rs:223:42 [INFO] [stderr] | [INFO] [stderr] 223 | MidiEvent::ChannelPressure { ch, pressure } => {} /* unsupported */ [INFO] [stderr] | ^^ help: try ignoring the field: `ch: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pressure` [INFO] [stderr] --> src/midi.rs:223:46 [INFO] [stderr] | [INFO] [stderr] 223 | MidiEvent::ChannelPressure { ch, pressure } => {} /* unsupported */ [INFO] [stderr] | ^^^^^^^^ help: try ignoring the field: `pressure: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/midi.rs:224:48 [INFO] [stderr] | [INFO] [stderr] 224 | MidiEvent::PolyphonicKeyPressure { ch, note, velocity } => {} /* unsupported */ [INFO] [stderr] | ^^ help: try ignoring the field: `ch: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `note` [INFO] [stderr] --> src/midi.rs:224:52 [INFO] [stderr] | [INFO] [stderr] 224 | MidiEvent::PolyphonicKeyPressure { ch, note, velocity } => {} /* unsupported */ [INFO] [stderr] | ^^^^ help: try ignoring the field: `note: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `velocity` [INFO] [stderr] --> src/midi.rs:224:58 [INFO] [stderr] | [INFO] [stderr] 224 | MidiEvent::PolyphonicKeyPressure { ch, note, velocity } => {} /* unsupported */ [INFO] [stderr] | ^^^^^^^^ help: try ignoring the field: `velocity: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/midi.rs:304:52 [INFO] [stderr] | [INFO] [stderr] 304 | channels: vec![0; 16].into_iter().map(|x| MidiChannel::new(sample_rate)).collect(), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `instrument` [INFO] [stderr] --> src/midi.rs:317:51 [INFO] [stderr] | [INFO] [stderr] 317 | pub fn set_instrument(&mut self, ch: Channel, instrument: GMInstrument) { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_instrument` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/midi.rs:360:26 [INFO] [stderr] | [INFO] [stderr] 360 | .filter(|(i, x)| *i != 9) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/midi.rs:361:20 [INFO] [stderr] | [INFO] [stderr] 361 | .map(|(i, x)| x.next()) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let mut midi = load_midi(Path::new("tet.mid")); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut start = Instant::now(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/midi.rs:263:21 [INFO] [stderr] | [INFO] [stderr] 263 | let mut last = x.peek(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/midi.rs:270:25 [INFO] [stderr] | [INFO] [stderr] 270 | let mut last = x.peek(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `freq` [INFO] [stderr] --> src/osc.rs:37:39 [INFO] [stderr] | [INFO] [stderr] 37 | if self.pitch_mod < 0.0 { let freq = -modulated_freq; } [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_freq` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `t` is never read [INFO] [stderr] --> src/math.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | let mut t = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_type` [INFO] [stderr] --> src/midi.rs:186:34 [INFO] [stderr] | [INFO] [stderr] 186 | MetaEvent::Unknown { event_type } => {} /* silent */ [INFO] [stderr] | ^^^^^^^^^^ help: try ignoring the field: `event_type: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `velocity` [INFO] [stderr] --> src/midi.rs:196:44 [INFO] [stderr] | [INFO] [stderr] 196 | MidiEvent::NoteOff { ch, note, velocity } | MidiEvent::NoteOn { ch, note, velocity: velocity @ 0 } => { [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^ [INFO] [stderr] help: try ignoring the field [INFO] [stderr] | [INFO] [stderr] 196 | MidiEvent::NoteOff { ch, note, velocity: _velocity: _ } | MidiEvent::NoteOn { ch, note, velocity: velocity @ 0 } => { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/midi.rs:221:40 [INFO] [stderr] | [INFO] [stderr] 221 | MidiEvent::ControlChange { ch, control, data } => {} [INFO] [stderr] | ^^ help: try ignoring the field: `ch: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `control` [INFO] [stderr] --> src/midi.rs:221:44 [INFO] [stderr] | [INFO] [stderr] 221 | MidiEvent::ControlChange { ch, control, data } => {} [INFO] [stderr] | ^^^^^^^ help: try ignoring the field: `control: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/midi.rs:221:53 [INFO] [stderr] | [INFO] [stderr] 221 | MidiEvent::ControlChange { ch, control, data } => {} [INFO] [stderr] | ^^^^ help: try ignoring the field: `data: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/midi.rs:222:42 [INFO] [stderr] | [INFO] [stderr] 222 | MidiEvent::PitchBendChange { ch, data } => {} [INFO] [stderr] | ^^ help: try ignoring the field: `ch: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/midi.rs:222:46 [INFO] [stderr] | [INFO] [stderr] 222 | MidiEvent::PitchBendChange { ch, data } => {} [INFO] [stderr] | ^^^^ help: try ignoring the field: `data: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/midi.rs:223:42 [INFO] [stderr] | [INFO] [stderr] 223 | MidiEvent::ChannelPressure { ch, pressure } => {} /* unsupported */ [INFO] [stderr] | ^^ help: try ignoring the field: `ch: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pressure` [INFO] [stderr] --> src/midi.rs:223:46 [INFO] [stderr] | [INFO] [stderr] 223 | MidiEvent::ChannelPressure { ch, pressure } => {} /* unsupported */ [INFO] [stderr] | ^^^^^^^^ help: try ignoring the field: `pressure: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/midi.rs:224:48 [INFO] [stderr] | [INFO] [stderr] 224 | MidiEvent::PolyphonicKeyPressure { ch, note, velocity } => {} /* unsupported */ [INFO] [stderr] | ^^ help: try ignoring the field: `ch: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `note` [INFO] [stderr] --> src/midi.rs:224:52 [INFO] [stderr] | [INFO] [stderr] 224 | MidiEvent::PolyphonicKeyPressure { ch, note, velocity } => {} /* unsupported */ [INFO] [stderr] | ^^^^ help: try ignoring the field: `note: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `velocity` [INFO] [stderr] --> src/midi.rs:224:58 [INFO] [stderr] | [INFO] [stderr] 224 | MidiEvent::PolyphonicKeyPressure { ch, note, velocity } => {} /* unsupported */ [INFO] [stderr] | ^^^^^^^^ help: try ignoring the field: `velocity: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/midi.rs:304:52 [INFO] [stderr] | [INFO] [stderr] 304 | channels: vec![0; 16].into_iter().map(|x| MidiChannel::new(sample_rate)).collect(), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `instrument` [INFO] [stderr] --> src/midi.rs:317:51 [INFO] [stderr] | [INFO] [stderr] 317 | pub fn set_instrument(&mut self, ch: Channel, instrument: GMInstrument) { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_instrument` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/midi.rs:360:26 [INFO] [stderr] | [INFO] [stderr] 360 | .filter(|(i, x)| *i != 9) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/midi.rs:361:20 [INFO] [stderr] | [INFO] [stderr] 361 | .map(|(i, x)| x.next()) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/synth.rs:208:13 [INFO] [stderr] | [INFO] [stderr] 208 | let mut available = self.voices.voices.len(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/synth.rs:209:13 [INFO] [stderr] | [INFO] [stderr] 209 | let mut used = self.voices.voices.iter() [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sample_rate` [INFO] [stderr] --> src/osc.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn sample_rate(&mut self, sample_rate: f64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Sample` [INFO] [stderr] --> src/sampler.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Sample<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/sampler.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn new(buffer: &'a [f32], sample_rate: SampleRate, channels: u8) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Sampler` [INFO] [stderr] --> src/sampler.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | pub struct Sampler<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/sampler.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(sample: &'a Sample) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Fraction` [INFO] [stderr] --> src/math.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Fraction { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gcd` [INFO] [stderr] --> src/math.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | fn gcd(mut a: usize, mut b: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/math.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn new(numerator: usize, denominator: usize) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `denominator` [INFO] [stderr] --> src/math.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | fn denominator(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `numerator` [INFO] [stderr] --> src/math.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | fn numerator(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `as_float` [INFO] [stderr] --> src/math.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | fn as_float(&self) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `program_number` [INFO] [stderr] --> src/midi.rs:69:5 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn program_number(&self) -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `preset` [INFO] [stderr] --> src/midi.rs:298:5 [INFO] [stderr] | [INFO] [stderr] 298 | preset: Preset, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `random_presets` [INFO] [stderr] --> src/midi.rs:365:5 [INFO] [stderr] | [INFO] [stderr] 365 | pub fn random_presets(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:113:29 [INFO] [stderr] | [INFO] [stderr] 113 | f.write(&u32tou8abe(i)); [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/main.rs:115:25 [INFO] [stderr] | [INFO] [stderr] 115 | f.flush(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let mut midi = load_midi(Path::new("tet.mid")); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut start = Instant::now(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/midi.rs:263:21 [INFO] [stderr] | [INFO] [stderr] 263 | let mut last = x.peek(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/midi.rs:270:25 [INFO] [stderr] | [INFO] [stderr] 270 | let mut last = x.peek(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/synth.rs:208:13 [INFO] [stderr] | [INFO] [stderr] 208 | let mut available = self.voices.voices.len(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/synth.rs:209:13 [INFO] [stderr] | [INFO] [stderr] 209 | let mut used = self.voices.voices.iter() [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sample_rate` [INFO] [stderr] --> src/osc.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn sample_rate(&mut self, sample_rate: f64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Sample` [INFO] [stderr] --> src/sampler.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Sample<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/sampler.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn new(buffer: &'a [f32], sample_rate: SampleRate, channels: u8) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Sampler` [INFO] [stderr] --> src/sampler.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | pub struct Sampler<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/sampler.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(sample: &'a Sample) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `as_float` [INFO] [stderr] --> src/math.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | fn as_float(&self) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `program_number` [INFO] [stderr] --> src/midi.rs:69:5 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn program_number(&self) -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `preset` [INFO] [stderr] --> src/midi.rs:298:5 [INFO] [stderr] | [INFO] [stderr] 298 | preset: Preset, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `random_presets` [INFO] [stderr] --> src/midi.rs:365:5 [INFO] [stderr] | [INFO] [stderr] 365 | pub fn random_presets(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:113:29 [INFO] [stderr] | [INFO] [stderr] 113 | f.write(&u32tou8abe(i)); [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/main.rs:115:25 [INFO] [stderr] | [INFO] [stderr] 115 | f.flush(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.62s [INFO] running `"docker" "inspect" "5be5b41d4dee6d33caa61363feff58bb7db9bcbabbf32d0c89a127e219173cc5"` [INFO] running `"docker" "rm" "-f" "5be5b41d4dee6d33caa61363feff58bb7db9bcbabbf32d0c89a127e219173cc5"` [INFO] [stdout] 5be5b41d4dee6d33caa61363feff58bb7db9bcbabbf32d0c89a127e219173cc5