[INFO] cloning repository Terkwood/hello_midi
[INFO] running `"git" "clone" "--bare" "git://github.com/Terkwood/hello_midi.git" "work/cache/sources/gh/Terkwood/hello_midi"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Terkwood/hello_midi'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Terkwood/hello_midi" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Terkwood/hello_midi"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Terkwood/hello_midi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Terkwood/hello_midi" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Terkwood/hello_midi"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Terkwood/hello_midi on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-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-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Terkwood/hello_midi/Cargo.toml
[INFO] crate Terkwood/hello_midi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Terkwood/hello_midi against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Terkwood/hello_midi:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 29d233798d7dd6f8da09793cbaf58c950965b3eeb57e55f25731ee8adbfa9c45
[INFO] running `"docker" "start" "-a" "29d233798d7dd6f8da09793cbaf58c950965b3eeb57e55f25731ee8adbfa9c45"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[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 9.25s
[INFO] running `"docker" "inspect" "29d233798d7dd6f8da09793cbaf58c950965b3eeb57e55f25731ee8adbfa9c45"`
[INFO] running `"docker" "rm" "-f" "29d233798d7dd6f8da09793cbaf58c950965b3eeb57e55f25731ee8adbfa9c45"`
[INFO] [stdout] 29d233798d7dd6f8da09793cbaf58c950965b3eeb57e55f25731ee8adbfa9c45