[INFO] cloning repository https://github.com/Terkwood/hello_midi
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Terkwood/hello_midi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello_midi"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello_midi'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c064b15de68760d464ba665f540e5e03d5675633
[INFO] checking Terkwood/hello_midi against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello_midi" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Terkwood/hello_midi on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Terkwood/hello_midi
[INFO] finished tweaking git repo https://github.com/Terkwood/hello_midi
[INFO] tweaked toml for git repo https://github.com/Terkwood/hello_midi written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Terkwood/hello_midi already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ca3832490e8adb3a0a89aab7546c82ee471398bb23f8cc5e146cabea9d63f1c
[INFO] running `"docker" "start" "-a" "6ca3832490e8adb3a0a89aab7546c82ee471398bb23f8cc5e146cabea9d63f1c"`
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking alsa v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]     Checking rimd v0.0.2 (https://github.com/RustAudio/rimd.git#6e623dbc)
[INFO] [stderr]     Checking hello_midi v0.1.0 (/opt/rustwide/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 21.86s
[INFO] running `"docker" "inspect" "6ca3832490e8adb3a0a89aab7546c82ee471398bb23f8cc5e146cabea9d63f1c"`
[INFO] running `"docker" "rm" "-f" "6ca3832490e8adb3a0a89aab7546c82ee471398bb23f8cc5e146cabea9d63f1c"`
[INFO] [stdout] 6ca3832490e8adb3a0a89aab7546c82ee471398bb23f8cc5e146cabea9d63f1c