[INFO] updating cached repository Terkwood/hello_midi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Terkwood/hello_midi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Terkwood/hello_midi" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Terkwood/hello_midi"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Terkwood/hello_midi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Terkwood/hello_midi" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Terkwood/hello_midi"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Terkwood/hello_midi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c064b15de68760d464ba665f540e5e03d5675633
[INFO] sha for GitHub repo Terkwood/hello_midi: c064b15de68760d464ba665f540e5e03d5675633
[INFO] validating manifest of Terkwood/hello_midi on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Terkwood/hello_midi on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Terkwood/hello_midi
[INFO] finished frobbing Terkwood/hello_midi
[INFO] frobbed toml for Terkwood/hello_midi written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Terkwood/hello_midi/Cargo.toml
[INFO] started frobbing Terkwood/hello_midi
[INFO] finished frobbing Terkwood/hello_midi
[INFO] frobbed toml for Terkwood/hello_midi written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Terkwood/hello_midi/Cargo.toml
[INFO] crate Terkwood/hello_midi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Terkwood/hello_midi against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Terkwood/hello_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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] adb99f3dc32f107bc60515c0c75c8e408c16e0cbb622f1898f9a0a9cb99bd95a
[INFO] running `"docker" "start" "-a" "adb99f3dc32f107bc60515c0c75c8e408c16e0cbb622f1898f9a0a9cb99bd95a"`
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking rimd v0.0.2 (https://github.com/RustAudio/rimd.git#6e623dbc)
[INFO] [stderr]     Checking alsa v0.2.0
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]     Checking hello_midi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:211:92
[INFO] [stderr]     |
[INFO] [stderr] 211 | fn run(output_device: usize, notes: Vec<MidiNote>, micros_per_tick: u64) -> 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:211:92
[INFO] [stderr]     |
[INFO] [stderr] 211 | fn run(output_device: usize, notes: Vec<MidiNote>, micros_per_tick: u64) -> 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]     Finished dev [unoptimized + debuginfo] target(s) in 12.10s
[INFO] running `"docker" "inspect" "adb99f3dc32f107bc60515c0c75c8e408c16e0cbb622f1898f9a0a9cb99bd95a"`
[INFO] running `"docker" "rm" "-f" "adb99f3dc32f107bc60515c0c75c8e408c16e0cbb622f1898f9a0a9cb99bd95a"`
[INFO] [stdout] adb99f3dc32f107bc60515c0c75c8e408c16e0cbb622f1898f9a0a9cb99bd95a