[INFO] cloning repository hughrawlinson/keyboard-midi
[INFO] running `"git" "clone" "--bare" "git://github.com/hughrawlinson/keyboard-midi.git" "work/cache/sources/gh/hughrawlinson/keyboard-midi"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/hughrawlinson/keyboard-midi'...
[INFO] running `"git" "clone" "work/cache/sources/gh/hughrawlinson/keyboard-midi" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/hughrawlinson/keyboard-midi"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/hughrawlinson/keyboard-midi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hughrawlinson/keyboard-midi" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/hughrawlinson/keyboard-midi"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/hughrawlinson/keyboard-midi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c52b2474ce1a48ba90afab4769180b37cc451800
[INFO] sha for GitHub repo hughrawlinson/keyboard-midi: c52b2474ce1a48ba90afab4769180b37cc451800
[INFO] validating manifest of hughrawlinson/keyboard-midi on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hughrawlinson/keyboard-midi on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hughrawlinson/keyboard-midi
[INFO] finished frobbing hughrawlinson/keyboard-midi
[INFO] frobbed toml for hughrawlinson/keyboard-midi written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/hughrawlinson/keyboard-midi/Cargo.toml
[INFO] started frobbing hughrawlinson/keyboard-midi
[INFO] finished frobbing hughrawlinson/keyboard-midi
[INFO] frobbed toml for hughrawlinson/keyboard-midi written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/hughrawlinson/keyboard-midi/Cargo.toml
[INFO] crate hughrawlinson/keyboard-midi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking hughrawlinson/keyboard-midi against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/hughrawlinson/keyboard-midi:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0977f8269d3c278013708b41dce77b50c458da59d43ff3e176f9cb44ec729d7c
[INFO] running `"docker" "start" "-a" "0977f8269d3c278013708b41dce77b50c458da59d43ff3e176f9cb44ec729d7c"`
[INFO] [stderr]     Checking nix v0.9.0
[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/crater/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 8.37s
[INFO] running `"docker" "inspect" "0977f8269d3c278013708b41dce77b50c458da59d43ff3e176f9cb44ec729d7c"`
[INFO] running `"docker" "rm" "-f" "0977f8269d3c278013708b41dce77b50c458da59d43ff3e176f9cb44ec729d7c"`
[INFO] [stdout] 0977f8269d3c278013708b41dce77b50c458da59d43ff3e176f9cb44ec729d7c