[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] checking Joe-Jones/midi against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoe-Jones%2Fmidi" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Joe-Jones/midi on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-rational v0.1.39 [INFO] [stderr] Downloaded jack-sys v0.1.5 [INFO] [stderr] Downloaded num-complex v0.1.40 [INFO] [stderr] Downloaded num-bigint v0.1.40 [INFO] [stderr] Downloaded time_calc v0.12.1 [INFO] [stderr] Downloaded libloading v0.4.1 [INFO] [stderr] Downloaded jack v0.5.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f8d333100728462ec6370dc46bfbdece381b9632c07acbcd52908636814e2043 [INFO] running `Command { std: "docker" "start" "-a" "f8d333100728462ec6370dc46bfbdece381b9632c07acbcd52908636814e2043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8d333100728462ec6370dc46bfbdece381b9632c07acbcd52908636814e2043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8d333100728462ec6370dc46bfbdece381b9632c07acbcd52908636814e2043", kill_on_drop: false }` [INFO] [stdout] f8d333100728462ec6370dc46bfbdece381b9632c07acbcd52908636814e2043 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3dabad411e8f1e64f801ce6ef9e0767d3d0298c6902f5f4aa7bc6cfab10a274 [INFO] running `Command { std: "docker" "start" "-a" "d3dabad411e8f1e64f801ce6ef9e0767d3d0298c6902f5f4aa7bc6cfab10a274", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Compiling libloading v0.4.1 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking num-complex v0.1.40 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking jack-sys v0.1.5 [INFO] [stderr] Checking num-bigint v0.1.40 [INFO] [stderr] Checking jack v0.5.3 [INFO] [stderr] Checking num-rational v0.1.39 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking time_calc v0.12.1 [INFO] [stderr] Checking steps v0.1.0 (/opt/rustwide/workdir) [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: 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: 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] = note: `#[warn(unused_variables)]` on by default [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: `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] = note: `#[warn(unused_variables)]` on by default [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: 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: 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] [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] [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: `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: `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: `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: `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: `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: `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: `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: `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: 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 `PatternPlayer` is never constructed [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 `new` is never used [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl PatternPlayer { [INFO] [stdout] | ------------------ associated function in this implementation [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: 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: fields `steps_per_bar`, `pattern`, and `note` are never read [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Pattern { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 35 | steps_per_bar: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 36 | pattern: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 37 | note: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `next_event` is never used [INFO] [stdout] --> src/main.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 40 | impl Pattern { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 41 | [INFO] [stdout] 42 | fn next_event(&self, position: f64) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PatternPlayer` is never constructed [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: struct `PatternCursor` is never constructed [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct PatternCursor { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `init_patern_cursor` is never used [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: associated function `new` is never used [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl PatternPlayer { [INFO] [stdout] | ------------------ associated function in this implementation [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: function `next_event` is never used [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 `advance` is never used [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: fields `steps_per_bar`, `pattern`, and `note` are never read [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Pattern { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 35 | steps_per_bar: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 36 | pattern: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 37 | note: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `next_event` is never used [INFO] [stdout] --> src/main.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 40 | impl Pattern { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 41 | [INFO] [stdout] 42 | fn next_event(&self, position: f64) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PatternCursor` is never constructed [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct PatternCursor { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `init_patern_cursor` is never used [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 `next_event` is never used [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 `advance` is never used [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: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.18s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "d3dabad411e8f1e64f801ce6ef9e0767d3d0298c6902f5f4aa7bc6cfab10a274", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3dabad411e8f1e64f801ce6ef9e0767d3d0298c6902f5f4aa7bc6cfab10a274", kill_on_drop: false }` [INFO] [stdout] d3dabad411e8f1e64f801ce6ef9e0767d3d0298c6902f5f4aa7bc6cfab10a274