[INFO] updating cached repository https://github.com/hughrawlinson/keyboard-midi
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] c52b2474ce1a48ba90afab4769180b37cc451800
[INFO] checking hughrawlinson/keyboard-midi against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhughrawlinson%2Fkeyboard-midi" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hughrawlinson/keyboard-midi on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hughrawlinson/keyboard-midi
[INFO] finished tweaking git repo https://github.com/hughrawlinson/keyboard-midi
[INFO] tweaked toml for git repo https://github.com/hughrawlinson/keyboard-midi written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hughrawlinson/keyboard-midi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8d6b4d2de2090add3a74cfa7862341de2a14a5be16635710b03b9958e3aa0dbd
[INFO] running `"docker" "start" "-a" "8d6b4d2de2090add3a74cfa7862341de2a14a5be16635710b03b9958e3aa0dbd"`
[INFO] [stderr]     Checking alsa-sys v0.1.1
[INFO] [stderr]     Checking alsa v0.2.0
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]     Checking keyboard-midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> main.rs:32:60
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn run(score: [(u8, u8); 9], speed: u16) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> main.rs:107:35
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 play_note(note.0, (position as f32/scoreDuration as f32));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> main.rs:32:60
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn run(score: [(u8, u8); 9], speed: u16) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> main.rs:107:35
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 play_note(note.0, (position as f32/scoreDuration as f32));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `scoreDuration` should have a snake case name
[INFO] [stderr]   --> main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let scoreDuration: u16 = speed * score.to_vec().iter()
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `score_duration`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `scoreDuration` should have a snake case name
[INFO] [stderr]   --> main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let scoreDuration: u16 = speed * score.to_vec().iter()
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `score_duration`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `"docker" "inspect" "8d6b4d2de2090add3a74cfa7862341de2a14a5be16635710b03b9958e3aa0dbd"`
[INFO] running `"docker" "rm" "-f" "8d6b4d2de2090add3a74cfa7862341de2a14a5be16635710b03b9958e3aa0dbd"`
[INFO] [stdout] 8d6b4d2de2090add3a74cfa7862341de2a14a5be16635710b03b9958e3aa0dbd