[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] checking bowbahdoe/MidiPlayer against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowbahdoe%2FMidiPlayer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bowbahdoe/MidiPlayer on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1118772093c45a6ba55d13cc10086d3779984e6deda177040da7a7f62eab42d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1118772093c45a6ba55d13cc10086d3779984e6deda177040da7a7f62eab42d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1118772093c45a6ba55d13cc10086d3779984e6deda177040da7a7f62eab42d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1118772093c45a6ba55d13cc10086d3779984e6deda177040da7a7f62eab42d1", kill_on_drop: false }`
[INFO] [stdout] 1118772093c45a6ba55d13cc10086d3779984e6deda177040da7a7f62eab42d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e26fd97a67c24744064dbed3c8243fc41110de0e11b6d83eb02a2fb46221747a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e26fd97a67c24744064dbed3c8243fc41110de0e11b6d83eb02a2fb46221747a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking rand v0.3.20
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stderr]     Checking 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 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: 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: variant is never constructed: `A`
[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]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]  --> src/model/note.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `C`
[INFO] [stdout]  --> src/model/note.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `D`
[INFO] [stdout]  --> src/model/note.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `E`
[INFO] [stdout]  --> src/model/note.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `F`
[INFO] [stdout]  --> src/model/note.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `G`
[INFO] [stdout]  --> src/model/note.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Natural`
[INFO] [stdout]  --> src/model/note.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Natural,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/note.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(note: Of, accidental: Accidental, octave: Octave) -> Note {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `valid_octave`
[INFO] [stdout]   --> src/model/note.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn valid_octave(octave: Octave) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NoteEvent`
[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: function is never used: `is_valid_format`
[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 is never used: `parse_chunks`
[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: variant is never constructed: `A`
[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]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]  --> src/model/note.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `C`
[INFO] [stdout]  --> src/model/note.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `D`
[INFO] [stdout]  --> src/model/note.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `E`
[INFO] [stdout]  --> src/model/note.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `F`
[INFO] [stdout]  --> src/model/note.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `G`
[INFO] [stdout]  --> src/model/note.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Of { A, B, C, D, E, F, G }
[INFO] [stdout]   |                                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Natural`
[INFO] [stdout]  --> src/model/note.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Natural,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/note.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(note: Of, accidental: Accidental, octave: Octave) -> Note {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `valid_octave`
[INFO] [stdout]   --> src/model/note.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn valid_octave(octave: Octave) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NoteEvent`
[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: function is never used: `is_valid_format`
[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 is never used: `parse_chunks`
[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: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "e26fd97a67c24744064dbed3c8243fc41110de0e11b6d83eb02a2fb46221747a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26fd97a67c24744064dbed3c8243fc41110de0e11b6d83eb02a2fb46221747a", kill_on_drop: false }`
[INFO] [stdout] e26fd97a67c24744064dbed3c8243fc41110de0e11b6d83eb02a2fb46221747a