[INFO] cloning repository https://github.com/hughrawlinson/keyboard-midi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hughrawlinson/keyboard-midi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhughrawlinson%2Fkeyboard-midi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhughrawlinson%2Fkeyboard-midi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 397c0e72049bd1ecb7941a4f4569e6d8238eef93
[INFO] checking hughrawlinson/keyboard-midi against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhughrawlinson%2Fkeyboard-midi" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hughrawlinson/keyboard-midi
[INFO] finished tweaking git repo https://github.com/hughrawlinson/keyboard-midi
[INFO] tweaked toml for git repo https://github.com/hughrawlinson/keyboard-midi written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hughrawlinson/keyboard-midi on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hughrawlinson/keyboard-midi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking hughrawlinson/keyboard-midi against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhughrawlinson%2Fkeyboard-midi" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hughrawlinson/keyboard-midi
[INFO] finished tweaking git repo https://github.com/hughrawlinson/keyboard-midi
[INFO] tweaked toml for git repo https://github.com/hughrawlinson/keyboard-midi written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hughrawlinson/keyboard-midi on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hughrawlinson/keyboard-midi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ux v0.1.5
[INFO] [stderr]   Downloaded weedle v0.10.0
[INFO] [stderr]   Downloaded coremidi-sys v3.1.0
[INFO] [stderr]   Downloaded sourcefile v0.1.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.48
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.48
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.48
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded midir v0.9.1
[INFO] [stderr]   Downloaded coremidi v0.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.48
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded backtrace v0.3.12
[INFO] [stderr]   Downloaded cc v1.0.59
[INFO] [stderr]   Downloaded js-sys v0.3.25
[INFO] [stderr]   Downloaded bumpalo v2.6.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.48
[INFO] [stderr]   Downloaded web-sys v0.3.25
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded windows v0.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a0dfea93be1123225656af32e43f53392fd549c6320ccad418d1a7b150db527
[INFO] running `Command { std: "docker" "start" "-a" "7a0dfea93be1123225656af32e43f53392fd549c6320ccad418d1a7b150db527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a0dfea93be1123225656af32e43f53392fd549c6320ccad418d1a7b150db527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0dfea93be1123225656af32e43f53392fd549c6320ccad418d1a7b150db527", kill_on_drop: false }`
[INFO] [stdout] 7a0dfea93be1123225656af32e43f53392fd549c6320ccad418d1a7b150db527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21584fbf9dd641d23ec45c2756444b4b047f0bad8ea3d05b235fe945497fcea8
[INFO] running `Command { std: "docker" "start" "-a" "21584fbf9dd641d23ec45c2756444b4b047f0bad8ea3d05b235fe945497fcea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ux v0.1.5
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking alsa v0.7.0
[INFO] [stderr]     Checking midir v0.9.1
[INFO] [stderr]     Checking keyboardmidi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `thirtysecond`, `sixteenth`, `eigth`, `half`, and `whole` are never read
[INFO] [stdout]   --> src/musical_score.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct TimingSystem {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 31 |   pub thirtysecond: Duration,
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 32 |   pub sixteenth: Duration,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 33 |   pub eigth: Duration,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 34 |   pub quarter: Duration,
[INFO] [stdout] 35 |   pub half: Duration,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 36 |   pub whole: Duration,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimingSystem` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `thirtysecond`, `sixteenth`, `eigth`, `half`, and `whole` are never read
[INFO] [stdout]   --> src/musical_score.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct TimingSystem {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 31 |   pub thirtysecond: Duration,
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 32 |   pub sixteenth: Duration,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 33 |   pub eigth: Duration,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 34 |   pub quarter: Duration,
[INFO] [stdout] 35 |   pub half: Duration,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 36 |   pub whole: Duration,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimingSystem` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.48s
[INFO] running `Command { std: "docker" "inspect" "21584fbf9dd641d23ec45c2756444b4b047f0bad8ea3d05b235fe945497fcea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21584fbf9dd641d23ec45c2756444b4b047f0bad8ea3d05b235fe945497fcea8", kill_on_drop: false }`
[INFO] [stdout] 21584fbf9dd641d23ec45c2756444b4b047f0bad8ea3d05b235fe945497fcea8