[INFO] cloning repository https://github.com/rmccampbell/midi_synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmccampbell/midi_synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmccampbell%2Fmidi_synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmccampbell%2Fmidi_synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c619c0e92f0a0af7fe1f88e17b6263a0bf238645
[INFO] testing rmccampbell/midi_synth against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmccampbell%2Fmidi_synth" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmccampbell/midi_synth on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmccampbell/midi_synth
[INFO] finished tweaking git repo https://github.com/rmccampbell/midi_synth
[INFO] tweaked toml for git repo https://github.com/rmccampbell/midi_synth written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/rmccampbell/midi_synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] [stderr]   Downloaded midir v0.7.0
[INFO] [stderr]   Downloaded wmidi v4.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa054a9b9b41963af93b461556d38695f35c0940687b03e18de1b0805478d709
[INFO] running `Command { std: "docker" "start" "-a" "fa054a9b9b41963af93b461556d38695f35c0940687b03e18de1b0805478d709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa054a9b9b41963af93b461556d38695f35c0940687b03e18de1b0805478d709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa054a9b9b41963af93b461556d38695f35c0940687b03e18de1b0805478d709", kill_on_drop: false }`
[INFO] [stdout] fa054a9b9b41963af93b461556d38695f35c0940687b03e18de1b0805478d709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79aaf54f5e01ae5cf40b1d4a1e0255322edfde718778c8a0aa4cfb93eb9780e9
[INFO] running `Command { std: "docker" "start" "-a" "79aaf54f5e01ae5cf40b1d4a1e0255322edfde718778c8a0aa4cfb93eb9780e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling wmidi v4.0.5
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling ctrlc v3.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling midir v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling midi_synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `program`
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     program: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.43s
[INFO] running `Command { std: "docker" "inspect" "79aaf54f5e01ae5cf40b1d4a1e0255322edfde718778c8a0aa4cfb93eb9780e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79aaf54f5e01ae5cf40b1d4a1e0255322edfde718778c8a0aa4cfb93eb9780e9", kill_on_drop: false }`
[INFO] [stdout] 79aaf54f5e01ae5cf40b1d4a1e0255322edfde718778c8a0aa4cfb93eb9780e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 699977104d8917a473d851a346c6506f3e0a93e8b6e497db8f20807a55532b42
[INFO] running `Command { std: "docker" "start" "-a" "699977104d8917a473d851a346c6506f3e0a93e8b6e497db8f20807a55532b42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling midi_synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `program`
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     program: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "699977104d8917a473d851a346c6506f3e0a93e8b6e497db8f20807a55532b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699977104d8917a473d851a346c6506f3e0a93e8b6e497db8f20807a55532b42", kill_on_drop: false }`
[INFO] [stdout] 699977104d8917a473d851a346c6506f3e0a93e8b6e497db8f20807a55532b42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bcf9b6634f7fdbf44b9054f00b7517ba9478e6434662ff9f46c49c206549b4a1
[INFO] running `Command { std: "docker" "start" "-a" "bcf9b6634f7fdbf44b9054f00b7517ba9478e6434662ff9f46c49c206549b4a1", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `program`
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     program: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/midi_synth-866b9fabeab8feda)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bcf9b6634f7fdbf44b9054f00b7517ba9478e6434662ff9f46c49c206549b4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf9b6634f7fdbf44b9054f00b7517ba9478e6434662ff9f46c49c206549b4a1", kill_on_drop: false }`
[INFO] [stdout] bcf9b6634f7fdbf44b9054f00b7517ba9478e6434662ff9f46c49c206549b4a1