[INFO] updating cached repository https://github.com/eliemichel/Cooldown
[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] e780224546970bcf8b2ff66937459259f964f73a
[INFO] checking eliemichel/Cooldown against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliemichel%2FCooldown" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eliemichel/Cooldown on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/eliemichel/Cooldown
[INFO] finished tweaking git repo https://github.com/eliemichel/Cooldown
[INFO] tweaked toml for git repo https://github.com/eliemichel/Cooldown written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/eliemichel/Cooldown already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/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" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 68d7a66d892604e35ab877e8755c6e5230eae73ced926fc85b52f3a7466873e5
[INFO] running `"docker" "start" "-a" "68d7a66d892604e35ab877e8755c6e5230eae73ced926fc85b52f3a7466873e5"`
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking rosc v0.1.6
[INFO] [stderr]     Checking alsa v0.2.2
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]     Checking cooldown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/midi_utils.rs:8:55
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn get_midi_in() -> Result<(MidiInput, usize),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/midi_utils.rs:33:57
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn get_midi_out() -> Result<(MidiOutput, usize),Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:225
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn run_midi_thread(midi_settings: MidiSettings, rx: mpsc::Receiver<MessageForMidiThread>, tx_midi: mpsc::Sender<MessageForMidiThread>, tx_osc: mpsc::Sender<MessageForOscThread>, timer: Arc<Mutex<Instant>>) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                                                                                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/midi_utils.rs:8:55
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn get_midi_in() -> Result<(MidiInput, usize),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/midi_utils.rs:33:57
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn get_midi_out() -> Result<(MidiOutput, usize),Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:225
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn run_midi_thread(midi_settings: MidiSettings, rx: mpsc::Receiver<MessageForMidiThread>, tx_midi: mpsc::Sender<MessageForMidiThread>, tx_osc: mpsc::Sender<MessageForOscThread>, timer: Arc<Mutex<Instant>>) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                                                                                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `"docker" "inspect" "68d7a66d892604e35ab877e8755c6e5230eae73ced926fc85b52f3a7466873e5"`
[INFO] running `"docker" "rm" "-f" "68d7a66d892604e35ab877e8755c6e5230eae73ced926fc85b52f3a7466873e5"`
[INFO] [stdout] 68d7a66d892604e35ab877e8755c6e5230eae73ced926fc85b52f3a7466873e5