[INFO] cloning repository https://github.com/bowbahdoe/MidiPlayer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bowbahdoe/MidiPlayer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowbahdoe%2FMidiPlayer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowbahdoe%2FMidiPlayer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2dbad890926b7fb84bf0c7671aa6ccdede1a6ee
[INFO] building bowbahdoe/MidiPlayer against master#9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19 for pr-117684
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowbahdoe%2FMidiPlayer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bowbahdoe/MidiPlayer on toolchain 9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bowbahdoe/MidiPlayer
[INFO] finished tweaking git repo https://github.com/bowbahdoe/MidiPlayer
[INFO] tweaked toml for git repo https://github.com/bowbahdoe/MidiPlayer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bowbahdoe/MidiPlayer 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" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] building bowbahdoe/MidiPlayer against try#53e03135c36e913ff664ce8329041b7e3c2fd358 for pr-117684
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowbahdoe%2FMidiPlayer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bowbahdoe/MidiPlayer on toolchain 53e03135c36e913ff664ce8329041b7e3c2fd358
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bowbahdoe/MidiPlayer
[INFO] finished tweaking git repo https://github.com/bowbahdoe/MidiPlayer
[INFO] tweaked toml for git repo https://github.com/bowbahdoe/MidiPlayer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bowbahdoe/MidiPlayer 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" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] building bowbahdoe/MidiPlayer against try#53e03135c36e913ff664ce8329041b7e3c2fd358 for pr-117684
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowbahdoe%2FMidiPlayer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bowbahdoe/MidiPlayer on toolchain 53e03135c36e913ff664ce8329041b7e3c2fd358
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bowbahdoe/MidiPlayer
[INFO] finished tweaking git repo https://github.com/bowbahdoe/MidiPlayer
[INFO] tweaked toml for git repo https://github.com/bowbahdoe/MidiPlayer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bowbahdoe/MidiPlayer 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" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5786153b409ca012c5dc8e1894df3dc966dcfe1c51e82b59d274714536ccbb7
[INFO] running `Command { std: "docker" "start" "-a" "d5786153b409ca012c5dc8e1894df3dc966dcfe1c51e82b59d274714536ccbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5786153b409ca012c5dc8e1894df3dc966dcfe1c51e82b59d274714536ccbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5786153b409ca012c5dc8e1894df3dc966dcfe1c51e82b59d274714536ccbb7", kill_on_drop: false }`
[INFO] [stdout] d5786153b409ca012c5dc8e1894df3dc966dcfe1c51e82b59d274714536ccbb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2398f09ae55cbcf4643e13d6a227d8111d2116b4e42966c456b71cef1a262f26
[INFO] running `Command { std: "docker" "start" "-a" "2398f09ae55cbcf4643e13d6a227d8111d2116b4e42966c456b71cef1a262f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling midi_player v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error`, `fmt`
[INFO] [stdout]  --> src/model/note.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error, fmt};
[INFO] [stdout]   |           ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Accidental`, `Note`, `Of`
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use model::note::{Note, Of, Accidental};
[INFO] [stdout]   |                   ^^^^  ^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunks`
[INFO] [stdout]   --> src/model/chunk_parsing.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]  --> src/model/note.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |          --   ^  ^  ^  ^  ^  ^  ^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          variants in this enum
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Of` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Natural` is never constructed
[INFO] [stdout]  --> src/model/note.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Accidental {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] 8 |     Natural,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Accidental` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `valid_octave` are never used
[INFO] [stdout]   --> src/model/note.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Note {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn new(note: Of, accidental: Accidental, octave: Octave) -> Note {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn valid_octave(octave: Octave) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoteEvent` is never constructed
[INFO] [stdout]   --> src/model/note.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct NoteEvent {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ticks_per_quarter_note` is never read
[INFO] [stdout]  --> src/model/chunk_parsing.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Msb0 { ticks_per_quarter_note: u16 },
[INFO] [stdout]   |     ----   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `frames_per_second` and `ticks_per_frame` are never read
[INFO] [stdout]  --> src/model/chunk_parsing.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Msb1 { frames_per_second: u8,
[INFO] [stdout]   |     ----   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout] 7 |            ticks_per_frame: u8 },
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `format`, `tracks`, and `division` are never read
[INFO] [stdout]   --> src/model/chunk_parsing.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Header {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     format: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     tracks: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     division: TrackDivision,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_format` is never used
[INFO] [stdout]   --> src/model/chunk_parsing.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn is_valid_format(header: &Header) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_chunks` is never used
[INFO] [stdout]   --> src/model/chunk_parsing.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "2398f09ae55cbcf4643e13d6a227d8111d2116b4e42966c456b71cef1a262f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2398f09ae55cbcf4643e13d6a227d8111d2116b4e42966c456b71cef1a262f26", kill_on_drop: false }`
[INFO] [stdout] 2398f09ae55cbcf4643e13d6a227d8111d2116b4e42966c456b71cef1a262f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daaa4d8f7381e3e2c78e4f2c22fca6cee65f4f25697df978c799172083e53bfa
[INFO] running `Command { std: "docker" "start" "-a" "daaa4d8f7381e3e2c78e4f2c22fca6cee65f4f25697df978c799172083e53bfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling midi_player v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error`, `fmt`
[INFO] [stdout]  --> src/model/note.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error, fmt};
[INFO] [stdout]   |           ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Accidental`, `Note`, `Of`
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use model::note::{Note, Of, Accidental};
[INFO] [stdout]   |                   ^^^^  ^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunks`
[INFO] [stdout]   --> src/model/chunk_parsing.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]  --> src/model/note.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |          --   ^  ^  ^  ^  ^  ^  ^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          variants in this enum
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Of` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Natural` is never constructed
[INFO] [stdout]  --> src/model/note.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Accidental {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] 8 |     Natural,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Accidental` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `valid_octave` are never used
[INFO] [stdout]   --> src/model/note.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Note {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn new(note: Of, accidental: Accidental, octave: Octave) -> Note {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn valid_octave(octave: Octave) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoteEvent` is never constructed
[INFO] [stdout]   --> src/model/note.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct NoteEvent {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ticks_per_quarter_note` is never read
[INFO] [stdout]  --> src/model/chunk_parsing.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Msb0 { ticks_per_quarter_note: u16 },
[INFO] [stdout]   |     ----   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `frames_per_second` and `ticks_per_frame` are never read
[INFO] [stdout]  --> src/model/chunk_parsing.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Msb1 { frames_per_second: u8,
[INFO] [stdout]   |     ----   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout] 7 |            ticks_per_frame: u8 },
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `format`, `tracks`, and `division` are never read
[INFO] [stdout]   --> src/model/chunk_parsing.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Header {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     format: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     tracks: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     division: TrackDivision,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_format` is never used
[INFO] [stdout]   --> src/model/chunk_parsing.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn is_valid_format(header: &Header) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_chunks` is never used
[INFO] [stdout]   --> src/model/chunk_parsing.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "daaa4d8f7381e3e2c78e4f2c22fca6cee65f4f25697df978c799172083e53bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daaa4d8f7381e3e2c78e4f2c22fca6cee65f4f25697df978c799172083e53bfa", kill_on_drop: false }`
[INFO] [stdout] daaa4d8f7381e3e2c78e4f2c22fca6cee65f4f25697df978c799172083e53bfa