[INFO] cloning repository https://github.com/sasalla23/midi-visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sasalla23/midi-visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasalla23%2Fmidi-visualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasalla23%2Fmidi-visualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ebc6075abbf923dd2253968fb3a185c8621dea8
[INFO] testing sasalla23/midi-visualizer against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasalla23%2Fmidi-visualizer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sasalla23/midi-visualizer
[INFO] finished tweaking git repo https://github.com/sasalla23/midi-visualizer
[INFO] tweaked toml for git repo https://github.com/sasalla23/midi-visualizer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sasalla23/midi-visualizer on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sasalla23/midi-visualizer 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b95725c36c1487d8d10c744527967ac1c24170f431388557029951049f7a618
[INFO] running `Command { std: "docker" "start" "-a" "5b95725c36c1487d8d10c744527967ac1c24170f431388557029951049f7a618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b95725c36c1487d8d10c744527967ac1c24170f431388557029951049f7a618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b95725c36c1487d8d10c744527967ac1c24170f431388557029951049f7a618", kill_on_drop: false }`
[INFO] [stdout] 5b95725c36c1487d8d10c744527967ac1c24170f431388557029951049f7a618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa4c7d57ab730fc39412f063d531602fecf1dee359dd2827f5a4d5e680096956
[INFO] running `Command { std: "docker" "start" "-a" "aa4c7d57ab730fc39412f063d531602fecf1dee359dd2827f5a4d5e680096956", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling hound v3.5.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling raylib-sys v3.7.0
[INFO] [stderr]    Compiling raylib v3.7.0
[INFO] [stderr]    Compiling rust-midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/midi_parser.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     SequenceTrackName { text: String },
[INFO] [stdout]    |     -----------------   ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `denominator`, `numerator`, `metronome_clocks`, and `notated_32s_per_quarter` are never read
[INFO] [stdout]   --> src/midi_parser.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |     TimeSignature { denominator: u8, numerator: u8, metronome_clocks: u8, notated_32s_per_quarter: u8 },
[INFO] [stdout]    |     -------------   ^^^^^^^^^^^      ^^^^^^^^^      ^^^^^^^^^^^^^^^^      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/midi_parser.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Text { text: String },
[INFO] [stdout]    |     ----   ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/midi_parser.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |     PitchWheelChange(u32),
[INFO] [stdout]    |     ---------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 61 -     PitchWheelChange(u32),
[INFO] [stdout] 61 +     PitchWheelChange(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `velocity` is never read
[INFO] [stdout]   --> src/midi_parser.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     NoteOff { key: u8, velocity: u8 }
[INFO] [stdout]    |     -------            ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `program` is never read
[INFO] [stdout]    --> src/audio_generator.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |     KeyOn { key: u8, program: u8, channel: u8 },
[INFO] [stdout]     |     -----            ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NormalizedEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `program` is never read
[INFO] [stdout]    --> src/audio_generator.rs:188:23
[INFO] [stdout]     |
[INFO] [stdout] 188 |     KeyOff { key: u8, program: u8, channel: u8 }
[INFO] [stdout]     |     ------            ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NormalizedEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.96s
[INFO] running `Command { std: "docker" "inspect" "aa4c7d57ab730fc39412f063d531602fecf1dee359dd2827f5a4d5e680096956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4c7d57ab730fc39412f063d531602fecf1dee359dd2827f5a4d5e680096956", kill_on_drop: false }`
[INFO] [stdout] aa4c7d57ab730fc39412f063d531602fecf1dee359dd2827f5a4d5e680096956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d8798697d97e142669ffecce581dd199a21ecfed1f91380aad7ac9b4d22af89
[INFO] running `Command { std: "docker" "start" "-a" "3d8798697d97e142669ffecce581dd199a21ecfed1f91380aad7ac9b4d22af89", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/midi_parser.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     SequenceTrackName { text: String },
[INFO] [stdout]    |     -----------------   ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `denominator`, `numerator`, `metronome_clocks`, and `notated_32s_per_quarter` are never read
[INFO] [stdout]   --> src/midi_parser.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |     TimeSignature { denominator: u8, numerator: u8, metronome_clocks: u8, notated_32s_per_quarter: u8 },
[INFO] [stdout]    |     -------------   ^^^^^^^^^^^      ^^^^^^^^^      ^^^^^^^^^^^^^^^^      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/midi_parser.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Text { text: String },
[INFO] [stdout]    |     ----   ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/midi_parser.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |     PitchWheelChange(u32),
[INFO] [stdout]    |     ---------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 61 -     PitchWheelChange(u32),
[INFO] [stdout] 61 +     PitchWheelChange(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `velocity` is never read
[INFO] [stdout]   --> src/midi_parser.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     NoteOff { key: u8, velocity: u8 }
[INFO] [stdout]    |     -------            ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `program` is never read
[INFO] [stdout]    --> src/audio_generator.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |     KeyOn { key: u8, program: u8, channel: u8 },
[INFO] [stdout]     |     -----            ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NormalizedEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `program` is never read
[INFO] [stdout]    --> src/audio_generator.rs:188:23
[INFO] [stdout]     |
[INFO] [stdout] 188 |     KeyOff { key: u8, program: u8, channel: u8 }
[INFO] [stdout]     |     ------            ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NormalizedEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "3d8798697d97e142669ffecce581dd199a21ecfed1f91380aad7ac9b4d22af89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8798697d97e142669ffecce581dd199a21ecfed1f91380aad7ac9b4d22af89", kill_on_drop: false }`
[INFO] [stdout] 3d8798697d97e142669ffecce581dd199a21ecfed1f91380aad7ac9b4d22af89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d98563c553c26993cfb205415c658b2b4f7eb52f7035da957937e92a9a2cd13
[INFO] running `Command { std: "docker" "start" "-a" "1d98563c553c26993cfb205415c658b2b4f7eb52f7035da957937e92a9a2cd13", kill_on_drop: false }`
[INFO] [stderr] warning: field `text` is never read
[INFO] [stderr]   --> src/midi_parser.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |     SequenceTrackName { text: String },
[INFO] [stderr]    |     -----------------   ^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MetaEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `denominator`, `numerator`, `metronome_clocks`, and `notated_32s_per_quarter` are never read
[INFO] [stderr]   --> src/midi_parser.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 |     TimeSignature { denominator: u8, numerator: u8, metronome_clocks: u8, notated_32s_per_quarter: u8 },
[INFO] [stderr]    |     -------------   ^^^^^^^^^^^      ^^^^^^^^^      ^^^^^^^^^^^^^^^^      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MetaEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `text` is never read
[INFO] [stderr]   --> src/midi_parser.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Text { text: String },
[INFO] [stderr]    |     ----   ^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MetaEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/midi_parser.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |     PitchWheelChange(u32),
[INFO] [stderr]    |     ---------------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MidiEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 61 -     PitchWheelChange(u32),
[INFO] [stderr] 61 +     PitchWheelChange(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `velocity` is never read
[INFO] [stderr]   --> src/midi_parser.rs:63:24
[INFO] [stderr]    |
[INFO] [stderr] 63 |     NoteOff { key: u8, velocity: u8 }
[INFO] [stderr]    |     -------            ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MidiEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `program` is never read
[INFO] [stderr]    --> src/audio_generator.rs:187:22
[INFO] [stderr]     |
[INFO] [stderr] 187 |     KeyOn { key: u8, program: u8, channel: u8 },
[INFO] [stderr]     |     -----            ^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `NormalizedEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `program` is never read
[INFO] [stderr]    --> src/audio_generator.rs:188:23
[INFO] [stderr]     |
[INFO] [stderr] 188 |     KeyOff { key: u8, program: u8, channel: u8 }
[INFO] [stderr]     |     ------            ^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `NormalizedEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-midi` (bin "rust-midi" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_midi-2485ace7eb6b7d6f)
[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" "1d98563c553c26993cfb205415c658b2b4f7eb52f7035da957937e92a9a2cd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d98563c553c26993cfb205415c658b2b4f7eb52f7035da957937e92a9a2cd13", kill_on_drop: false }`
[INFO] [stdout] 1d98563c553c26993cfb205415c658b2b4f7eb52f7035da957937e92a9a2cd13
