[INFO] updating cached repository https://github.com/bowbahdoe/MidiPlayer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2dbad890926b7fb84bf0c7671aa6ccdede1a6ee
[INFO] testing bowbahdoe/MidiPlayer against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowbahdoe%2FMidiPlayer" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bowbahdoe/MidiPlayer on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/bowbahdoe/MidiPlayer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f223e047dfb5f644f10c281525dbaf05417214439b06c09ca57a772e1f7a9194
[INFO] running `"docker" "start" "-a" "f223e047dfb5f644f10c281525dbaf05417214439b06c09ca57a772e1f7a9194"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling midi_player v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `error`, `fmt`
[INFO] [stderr]  --> src/model/note.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{error, fmt};
[INFO] [stderr]   |           ^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Accidental`, `Note`, `Of`
[INFO] [stderr]  --> src/main.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 | use model::note::{Note, Of, Accidental};
[INFO] [stderr]   |                   ^^^^  ^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chunks`
[INFO] [stderr]   --> src/model/chunk_parsing.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunks`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]  --> src/model/note.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |               ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]  --> src/model/note.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                  ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]  --> src/model/note.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]  --> src/model/note.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                        ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E`
[INFO] [stderr]  --> src/model/note.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                           ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F`
[INFO] [stderr]  --> src/model/note.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                              ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G`
[INFO] [stderr]  --> src/model/note.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Natural`
[INFO] [stderr]  --> src/model/note.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Natural,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/model/note.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(note: Of, accidental: Accidental, octave: Octave) -> Note {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `valid_octave`
[INFO] [stderr]   --> src/model/note.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn valid_octave(octave: Octave) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NoteEvent`
[INFO] [stderr]   --> src/model/note.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub struct NoteEvent {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_valid_format`
[INFO] [stderr]   --> src/model/chunk_parsing.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn is_valid_format(header: &Header) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_chunks`
[INFO] [stderr]   --> src/model/chunk_parsing.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `"docker" "inspect" "f223e047dfb5f644f10c281525dbaf05417214439b06c09ca57a772e1f7a9194"`
[INFO] running `"docker" "rm" "-f" "f223e047dfb5f644f10c281525dbaf05417214439b06c09ca57a772e1f7a9194"`
[INFO] [stdout] f223e047dfb5f644f10c281525dbaf05417214439b06c09ca57a772e1f7a9194
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d351520bf39771f4c7853181c51a07fd44882a6f00dc983259b4def9ff3c8fb
[INFO] running `"docker" "start" "-a" "0d351520bf39771f4c7853181c51a07fd44882a6f00dc983259b4def9ff3c8fb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling midi_player v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `error`, `fmt`
[INFO] [stderr]  --> src/model/note.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{error, fmt};
[INFO] [stderr]   |           ^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Accidental`, `Note`, `Of`
[INFO] [stderr]  --> src/main.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 | use model::note::{Note, Of, Accidental};
[INFO] [stderr]   |                   ^^^^  ^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chunks`
[INFO] [stderr]   --> src/model/chunk_parsing.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunks`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]  --> src/model/note.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |               ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]  --> src/model/note.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                  ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]  --> src/model/note.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]  --> src/model/note.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                        ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E`
[INFO] [stderr]  --> src/model/note.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                           ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F`
[INFO] [stderr]  --> src/model/note.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                              ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G`
[INFO] [stderr]  --> src/model/note.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Natural`
[INFO] [stderr]  --> src/model/note.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Natural,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/model/note.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(note: Of, accidental: Accidental, octave: Octave) -> Note {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `valid_octave`
[INFO] [stderr]   --> src/model/note.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn valid_octave(octave: Octave) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NoteEvent`
[INFO] [stderr]   --> src/model/note.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub struct NoteEvent {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_valid_format`
[INFO] [stderr]   --> src/model/chunk_parsing.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn is_valid_format(header: &Header) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_chunks`
[INFO] [stderr]   --> src/model/chunk_parsing.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `"docker" "inspect" "0d351520bf39771f4c7853181c51a07fd44882a6f00dc983259b4def9ff3c8fb"`
[INFO] running `"docker" "rm" "-f" "0d351520bf39771f4c7853181c51a07fd44882a6f00dc983259b4def9ff3c8fb"`
[INFO] [stdout] 0d351520bf39771f4c7853181c51a07fd44882a6f00dc983259b4def9ff3c8fb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8658c1d1470c961fc02af4c5f0f12e33113cd1f8cbc7c1ba10d77fbe26b980c
[INFO] running `"docker" "start" "-a" "d8658c1d1470c961fc02af4c5f0f12e33113cd1f8cbc7c1ba10d77fbe26b980c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused imports: `error`, `fmt`
[INFO] [stdout] 
[INFO] [stderr]  --> src/model/note.rs:1:11
[INFO] [stdout] running 1 test
[INFO] [stderr]   |
[INFO] [stdout] test model::chunk::tests::chunk_types ... ok
[INFO] [stderr] 1 | use std::{error, fmt};
[INFO] [stdout] 
[INFO] [stderr]   |           ^^^^^  ^^^
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Accidental`, `Note`, `Of`
[INFO] [stderr]  --> src/main.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 | use model::note::{Note, Of, Accidental};
[INFO] [stderr]   |                   ^^^^  ^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chunks`
[INFO] [stderr]   --> src/model/chunk_parsing.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunks`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]  --> src/model/note.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |               ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]  --> src/model/note.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                  ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]  --> src/model/note.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]  --> src/model/note.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                        ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E`
[INFO] [stderr]  --> src/model/note.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                           ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F`
[INFO] [stderr]  --> src/model/note.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                              ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G`
[INFO] [stderr]  --> src/model/note.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stderr]   |                                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Natural`
[INFO] [stderr]  --> src/model/note.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Natural,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/model/note.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(note: Of, accidental: Accidental, octave: Octave) -> Note {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `valid_octave`
[INFO] [stderr]   --> src/model/note.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn valid_octave(octave: Octave) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NoteEvent`
[INFO] [stderr]   --> src/model/note.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub struct NoteEvent {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_valid_format`
[INFO] [stderr]   --> src/model/chunk_parsing.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn is_valid_format(header: &Header) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_chunks`
[INFO] [stderr]   --> src/model/chunk_parsing.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn parse_chunks(chunks: &Vec<Chunk>) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/midi_player-ce5b5b4cc7ca2862
[INFO] running `"docker" "inspect" "d8658c1d1470c961fc02af4c5f0f12e33113cd1f8cbc7c1ba10d77fbe26b980c"`
[INFO] running `"docker" "rm" "-f" "d8658c1d1470c961fc02af4c5f0f12e33113cd1f8cbc7c1ba10d77fbe26b980c"`
[INFO] [stdout] d8658c1d1470c961fc02af4c5f0f12e33113cd1f8cbc7c1ba10d77fbe26b980c