[INFO] cloning repository https://github.com/Joe-Jones/midi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joe-Jones/midi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoe-Jones%2Fmidi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoe-Jones%2Fmidi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec1b05f593396e80cd8c701df37a6472c196e1db [INFO] testing Joe-Jones/midi against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoe-Jones%2Fmidi" "/workspace/builds/worker-27/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Joe-Jones/midi on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Joe-Jones/midi [INFO] finished tweaking git repo https://github.com/Joe-Jones/midi [INFO] tweaked toml for git repo https://github.com/Joe-Jones/midi written to /workspace/builds/worker-27/source/Cargo.toml [INFO] crate git repo https://github.com/Joe-Jones/midi already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jack-sys v0.1.5 [INFO] [stderr] Downloaded libloading v0.4.1 [INFO] [stderr] Downloaded time_calc v0.12.1 [INFO] [stderr] Downloaded jack v0.5.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a8a7bf2b6a87345a6d8b023367dd8553485c9777494fe754c634e869710f6ec [INFO] running `Command { std: "docker" "start" "-a" "5a8a7bf2b6a87345a6d8b023367dd8553485c9777494fe754c634e869710f6ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a8a7bf2b6a87345a6d8b023367dd8553485c9777494fe754c634e869710f6ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a8a7bf2b6a87345a6d8b023367dd8553485c9777494fe754c634e869710f6ec", kill_on_drop: false }` [INFO] [stdout] 5a8a7bf2b6a87345a6d8b023367dd8553485c9777494fe754c634e869710f6ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3a3c6b08811216988d2adf460abbb7fb5390cbb521fb9ce34e8ba2d32d5ad75 [INFO] running `Command { std: "docker" "start" "-a" "f3a3c6b08811216988d2adf460abbb7fb5390cbb521fb9ce34e8ba2d32d5ad75", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling libc v0.2.30 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling libloading v0.4.1 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling jack-sys v0.1.5 [INFO] [stderr] Compiling jack v0.5.3 [INFO] [stderr] Compiling num-bigint v0.1.40 [INFO] [stderr] Compiling num-complex v0.1.40 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling num v0.1.40 [INFO] [stderr] Compiling time_calc v0.12.1 [INFO] [stderr] Compiling steps v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/main.rs:66:15 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cursor` [INFO] [stdout] --> src/main.rs:66:34 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cursor` [INFO] [stdout] --> src/main.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | fn advance(cursor: &mut PatternCursor) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kick_drum` [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let kick_drum = Pattern{ steps_per_bar: 4, pattern: kick_drum_pattern, note: 36 }; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kick_drum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `snare_drum` [INFO] [stdout] --> src/main.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | let snare_drum = Pattern{ steps_per_bar: 4, pattern: snare_drum_pattern, note: 37 }; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snare_drum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frames_per_bar` [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let frames_per_bar : JackFrames = u32::try_from(Bars(1).samples(bpm, time_signature, sample_frequency)) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_per_bar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frames_into_bar` [INFO] [stdout] --> src/main.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut frames_into_bar = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_into_bar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bpm` [INFO] [stdout] --> src/main.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_bpm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sample_frequency` [INFO] [stdout] --> src/main.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_frequency` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time_signature` [INFO] [stdout] --> src/main.rs:24:52 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_signature` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `steps_per_bar` [INFO] [stdout] --> src/main.rs:24:79 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_steps_per_bar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut frames_into_bar = 0; [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: struct is never constructed: `PatternPlayer` [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `steps_per_bar` [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | steps_per_bar: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pattern` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | pattern: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `note` [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | note: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_event` [INFO] [stdout] --> src/main.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn next_event(&self, position: f64) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `PatternCursor` [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct PatternCursor { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `init_patern_cursor` [INFO] [stdout] --> src/main.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn init_patern_cursor(cursor: &mut PatternCursor) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `next_event` [INFO] [stdout] --> src/main.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `advance` [INFO] [stdout] --> src/main.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn advance(cursor: &mut PatternCursor) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.84s [INFO] running `Command { std: "docker" "inspect" "f3a3c6b08811216988d2adf460abbb7fb5390cbb521fb9ce34e8ba2d32d5ad75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3a3c6b08811216988d2adf460abbb7fb5390cbb521fb9ce34e8ba2d32d5ad75", kill_on_drop: false }` [INFO] [stdout] f3a3c6b08811216988d2adf460abbb7fb5390cbb521fb9ce34e8ba2d32d5ad75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10ed314dd7ed417d68922d7e609061c507f3b6d36a4020a23ca0ade9679d6b05 [INFO] running `Command { std: "docker" "start" "-a" "10ed314dd7ed417d68922d7e609061c507f3b6d36a4020a23ca0ade9679d6b05", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling steps v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/main.rs:66:15 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cursor` [INFO] [stdout] --> src/main.rs:66:34 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cursor` [INFO] [stdout] --> src/main.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | fn advance(cursor: &mut PatternCursor) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kick_drum` [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let kick_drum = Pattern{ steps_per_bar: 4, pattern: kick_drum_pattern, note: 36 }; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kick_drum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `snare_drum` [INFO] [stdout] --> src/main.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | let snare_drum = Pattern{ steps_per_bar: 4, pattern: snare_drum_pattern, note: 37 }; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snare_drum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frames_per_bar` [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let frames_per_bar : JackFrames = u32::try_from(Bars(1).samples(bpm, time_signature, sample_frequency)) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_per_bar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frames_into_bar` [INFO] [stdout] --> src/main.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut frames_into_bar = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_into_bar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bpm` [INFO] [stdout] --> src/main.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_bpm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sample_frequency` [INFO] [stdout] --> src/main.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_frequency` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time_signature` [INFO] [stdout] --> src/main.rs:24:52 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_signature` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `steps_per_bar` [INFO] [stdout] --> src/main.rs:24:79 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_steps_per_bar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut frames_into_bar = 0; [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: struct is never constructed: `PatternPlayer` [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `steps_per_bar` [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | steps_per_bar: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pattern` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | pattern: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `note` [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | note: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_event` [INFO] [stdout] --> src/main.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn next_event(&self, position: f64) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `PatternCursor` [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct PatternCursor { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `init_patern_cursor` [INFO] [stdout] --> src/main.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn init_patern_cursor(cursor: &mut PatternCursor) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `next_event` [INFO] [stdout] --> src/main.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `advance` [INFO] [stdout] --> src/main.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn advance(cursor: &mut PatternCursor) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `Command { std: "docker" "inspect" "10ed314dd7ed417d68922d7e609061c507f3b6d36a4020a23ca0ade9679d6b05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10ed314dd7ed417d68922d7e609061c507f3b6d36a4020a23ca0ade9679d6b05", kill_on_drop: false }` [INFO] [stdout] 10ed314dd7ed417d68922d7e609061c507f3b6d36a4020a23ca0ade9679d6b05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2442fade03b9da8beb41db0b4194d9df816647a014d4a5ddbf84bd42c521df65 [INFO] running `Command { std: "docker" "start" "-a" "2442fade03b9da8beb41db0b4194d9df816647a014d4a5ddbf84bd42c521df65", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `pattern` [INFO] [stderr] --> src/main.rs:66:15 [INFO] [stderr] | [INFO] [stderr] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cursor` [INFO] [stderr] --> src/main.rs:66:34 [INFO] [stderr] | [INFO] [stderr] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cursor` [INFO] [stderr] --> src/main.rs:70:12 [INFO] [stderr] | [INFO] [stderr] 70 | fn advance(cursor: &mut PatternCursor) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `kick_drum` [INFO] [stderr] --> src/main.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | let kick_drum = Pattern{ steps_per_bar: 4, pattern: kick_drum_pattern, note: 36 }; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kick_drum` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `snare_drum` [INFO] [stderr] --> src/main.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | let snare_drum = Pattern{ steps_per_bar: 4, pattern: snare_drum_pattern, note: 37 }; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snare_drum` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `frames_per_bar` [INFO] [stderr] --> src/main.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let frames_per_bar : JackFrames = u32::try_from(Bars(1).samples(bpm, time_signature, sample_frequency)) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_per_bar` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `frames_into_bar` [INFO] [stderr] --> src/main.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let mut frames_into_bar = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_into_bar` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bpm` [INFO] [stderr] --> src/main.rs:24:12 [INFO] [stderr] | [INFO] [stderr] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_bpm` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sample_frequency` [INFO] [stderr] --> src/main.rs:24:23 [INFO] [stderr] | [INFO] [stderr] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_frequency` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `time_signature` [INFO] [stderr] --> src/main.rs:24:52 [INFO] [stderr] | [INFO] [stderr] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_signature` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `steps_per_bar` [INFO] [stderr] --> src/main.rs:24:79 [INFO] [stderr] | [INFO] [stderr] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_steps_per_bar` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | let mut frames_into_bar = 0; [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: struct is never constructed: `PatternPlayer` [INFO] [stderr] --> src/main.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | struct PatternPlayer { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `steps_per_bar` [INFO] [stderr] --> src/main.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | steps_per_bar: u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pattern` [INFO] [stderr] --> src/main.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pattern: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `note` [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | note: u8, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `next_event` [INFO] [stderr] --> src/main.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | fn next_event(&self, position: f64) -> Result, String> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PatternCursor` [INFO] [stderr] --> src/main.rs:58:8 [INFO] [stderr] | [INFO] [stderr] 58 | struct PatternCursor { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `init_patern_cursor` [INFO] [stderr] --> src/main.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn init_patern_cursor(cursor: &mut PatternCursor) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `next_event` [INFO] [stderr] --> src/main.rs:66:4 [INFO] [stderr] | [INFO] [stderr] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `advance` [INFO] [stderr] --> src/main.rs:70:4 [INFO] [stderr] | [INFO] [stderr] 70 | fn advance(cursor: &mut PatternCursor) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `steps` (bin "steps" test) generated 23 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 31.36s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/steps-fa512cca2fa3205a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2442fade03b9da8beb41db0b4194d9df816647a014d4a5ddbf84bd42c521df65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2442fade03b9da8beb41db0b4194d9df816647a014d4a5ddbf84bd42c521df65", kill_on_drop: false }` [INFO] [stdout] 2442fade03b9da8beb41db0b4194d9df816647a014d4a5ddbf84bd42c521df65