[INFO] cloning repository https://github.com/jimktrains/synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimktrains/synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimktrains%2Fsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimktrains%2Fsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edcf2bfcac16e1423cc743bd7cb26bc23455b3fd
[INFO] testing jimktrains/synth against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimktrains%2Fsynth" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimktrains/synth on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jimktrains/synth
[INFO] finished tweaking git repo https://github.com/jimktrains/synth
[INFO] tweaked toml for git repo https://github.com/jimktrains/synth written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jimktrains/synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 690d5a44b21207b08655729f9dcfc1c2700d854514eb19e3019f460b82153ed2
[INFO] running `Command { std: "docker" "start" "-a" "690d5a44b21207b08655729f9dcfc1c2700d854514eb19e3019f460b82153ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "690d5a44b21207b08655729f9dcfc1c2700d854514eb19e3019f460b82153ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690d5a44b21207b08655729f9dcfc1c2700d854514eb19e3019f460b82153ed2", kill_on_drop: false }`
[INFO] [stdout] 690d5a44b21207b08655729f9dcfc1c2700d854514eb19e3019f460b82153ed2
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c55e88a4aa9961673e7483733fddd901cbac90ca5472439f4978e0875fa3607
[INFO] running `Command { std: "docker" "start" "-a" "6c55e88a4aa9961673e7483733fddd901cbac90ca5472439f4978e0875fa3607", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling riff v1.0.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling wav v0.6.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tui v0.14.0
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling jsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `triggered_at`
[INFO] [stdout]   --> src/env/adsr.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     triggered_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gated_at`
[INFO] [stdout]   --> src/env/adsr.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     gated_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gate_closed_at`
[INFO] [stdout]   --> src/env/adsr.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     gate_closed_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `enhanced_graphics`
[INFO] [stdout]   --> src/ui.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         enhanced_graphics: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.84s
[INFO] running `Command { std: "docker" "inspect" "6c55e88a4aa9961673e7483733fddd901cbac90ca5472439f4978e0875fa3607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c55e88a4aa9961673e7483733fddd901cbac90ca5472439f4978e0875fa3607", kill_on_drop: false }`
[INFO] [stdout] 6c55e88a4aa9961673e7483733fddd901cbac90ca5472439f4978e0875fa3607
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65d4044edf1f155ce02278189db8659d2033d0f2f0a229c20f30016c1c5540f
[INFO] running `Command { std: "docker" "start" "-a" "d65d4044edf1f155ce02278189db8659d2033d0f2f0a229c20f30016c1c5540f", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `triggered_at`
[INFO] [stdout]   --> src/env/adsr.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     triggered_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gated_at`
[INFO] [stdout]   --> src/env/adsr.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     gated_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gate_closed_at`
[INFO] [stdout]   --> src/env/adsr.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     gate_closed_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `enhanced_graphics`
[INFO] [stdout]   --> src/ui.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         enhanced_graphics: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "d65d4044edf1f155ce02278189db8659d2033d0f2f0a229c20f30016c1c5540f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65d4044edf1f155ce02278189db8659d2033d0f2f0a229c20f30016c1c5540f", kill_on_drop: false }`
[INFO] [stdout] d65d4044edf1f155ce02278189db8659d2033d0f2f0a229c20f30016c1c5540f
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 997857e243149084f9efcccf2af7f92895747b1c19ef9a135f612783d66983c8
[INFO] running `Command { std: "docker" "start" "-a" "997857e243149084f9efcccf2af7f92895747b1c19ef9a135f612783d66983c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `triggered_at`
[INFO] [stderr]   --> src/env/adsr.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     triggered_at: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `gated_at`
[INFO] [stderr]   --> src/env/adsr.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     gated_at: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `gate_closed_at`
[INFO] [stderr]   --> src/env/adsr.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     gate_closed_at: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `enhanced_graphics`
[INFO] [stderr]   --> src/ui.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         enhanced_graphics: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `jsynth` (bin "jsynth" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsynth-8a9b36e1e5baf04b)
[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" "997857e243149084f9efcccf2af7f92895747b1c19ef9a135f612783d66983c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997857e243149084f9efcccf2af7f92895747b1c19ef9a135f612783d66983c8", kill_on_drop: false }`
[INFO] [stdout] 997857e243149084f9efcccf2af7f92895747b1c19ef9a135f612783d66983c8