[INFO] cloning repository https://github.com/whoisryosuke/virtual-midi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whoisryosuke/virtual-midi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhoisryosuke%2Fvirtual-midi", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55dd35cae4d9afc9ec9dbb289c7331cfca58fb7b
[INFO] checking whoisryosuke/virtual-midi against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhoisryosuke%2Fvirtual-midi" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/whoisryosuke/virtual-midi
[INFO] finished tweaking git repo https://github.com/whoisryosuke/virtual-midi
[INFO] tweaked toml for git repo https://github.com/whoisryosuke/virtual-midi written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whoisryosuke/virtual-midi on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whoisryosuke/virtual-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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 191ed5190ada988567b6e29c284053df6837a8cc2b610358ac8c8eaf088cf24b
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking virtual-midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Note`
[INFO] [stdout]  --> examples/multiple-notes.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustmt::note::{Note, Notes, PitchClass};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction`, `Mode`, `ScaleType`, and `Scale`
[INFO] [stdout]   --> examples/multiple-notes.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rustmt::scale::{Scale, ScaleType, Mode, Direction};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Note`
[INFO] [stdout]  --> examples/chord-major-triad.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustmt::note::{Note, Notes, PitchClass};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction`, `Mode`, `ScaleType`, and `Scale`
[INFO] [stdout]   --> examples/chord-major-triad.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rustmt::scale::{Scale, ScaleType, Mode, Direction};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Note`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustmt::note::{Note, Notes, PitchClass};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction`, `Mode`, `ScaleType`, and `Scale`
[INFO] [stdout]   --> src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rustmt::scale::{Scale, ScaleType, Mode, Direction};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> examples/multiple-notes.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout]  73 | /         loop {
[INFO] [stdout]  74 | |             // Create the chord with "dynamic" pitch
[INFO] [stdout]  75 | |             let chord = Chord::new(PitchClass::C, ChordQuality::Major, ChordNumber::Triad);
[INFO] [stdout] ...   |
[INFO] [stdout] 104 | |             sleep(Duration::from_millis(4 * 150));
[INFO] [stdout] 105 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 111 |       sleep(Duration::from_millis(150));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Note`
[INFO] [stdout]  --> examples/scale.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustmt::note::{Note, Notes, PitchClass};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chord`, `Number as ChordNumber`, and `Quality as ChordQuality`
[INFO] [stdout]   --> examples/scale.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rustmt::chord::{Chord, Number as ChordNumber, Quality as ChordQuality};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Note`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustmt::note::{Note, Notes, PitchClass};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Note`
[INFO] [stdout]  --> examples/looping.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustmt::note::{Note, Notes, PitchClass};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction`, `Mode`, `ScaleType`, and `Scale`
[INFO] [stdout]   --> src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rustmt::scale::{Scale, ScaleType, Mode, Direction};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction`, `Mode`, `ScaleType`, and `Scale`
[INFO] [stdout]   --> examples/looping.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rustmt::scale::{Scale, ScaleType, Mode, Direction};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> examples/looping.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout]  68 | /         loop {
[INFO] [stdout]  69 | |             // Create the chord with "dynamic" pitch
[INFO] [stdout]  70 | |             let chord = Chord::new(PitchClass::C, ChordQuality::Major, ChordNumber::Triad);
[INFO] [stdout] ...   |
[INFO] [stdout]  97 | |             sleep(Duration::from_millis(4 * 150));
[INFO] [stdout]  98 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 104 |       sleep(Duration::from_millis(150));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Note`
[INFO] [stdout]  --> examples/chord-eleventh.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustmt::note::{Note, Notes, PitchClass};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction`, `Mode`, `ScaleType`, and `Scale`
[INFO] [stdout]   --> examples/chord-eleventh.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rustmt::scale::{Scale, ScaleType, Mode, Direction};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.89s
[INFO] running `Command { std: "docker" "inspect" "0b2a6578c7da48fa8e3ed6d42a1efc911a2da44c3712db11394118c5d4f34fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2a6578c7da48fa8e3ed6d42a1efc911a2da44c3712db11394118c5d4f34fd1", kill_on_drop: false }`
[INFO] [stdout] 0b2a6578c7da48fa8e3ed6d42a1efc911a2da44c3712db11394118c5d4f34fd1
