[INFO] cloning repository https://github.com/gsedometov/sound-amp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gsedometov/sound-amp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsedometov%2Fsound-amp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsedometov%2Fsound-amp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04cc3edcf2d1209b5d3c601fa48ea65262671ddb [INFO] checking gsedometov/sound-amp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsedometov%2Fsound-amp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gsedometov/sound-amp on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/gsedometov/sound-amp [INFO] finished tweaking git repo https://github.com/gsedometov/sound-amp [INFO] tweaked toml for git repo https://github.com/gsedometov/sound-amp written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gsedometov/sound-amp 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ringbuf v0.2.6 [INFO] [stderr] Downloaded combine v4.6.1 [INFO] [stderr] Downloaded crossterm v0.18.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9bdb4e39d91377791e8b2e3200ce4d806a81c44cfde6f9b0ffd7961dfc78abde [INFO] running `Command { std: "docker" "start" "-a" "9bdb4e39d91377791e8b2e3200ce4d806a81c44cfde6f9b0ffd7961dfc78abde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bdb4e39d91377791e8b2e3200ce4d806a81c44cfde6f9b0ffd7961dfc78abde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bdb4e39d91377791e8b2e3200ce4d806a81c44cfde6f9b0ffd7961dfc78abde", kill_on_drop: false }` [INFO] [stdout] 9bdb4e39d91377791e8b2e3200ce4d806a81c44cfde6f9b0ffd7961dfc78abde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 682c683db3c6a3870b38b2709e9b66fb8334e2322c040eae15f72b4d1bb9f4a8 [INFO] running `Command { std: "docker" "start" "-a" "682c683db3c6a3870b38b2709e9b66fb8334e2322c040eae15f72b4d1bb9f4a8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling signal-hook v0.3.10 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling pkg-config v0.3.21 [INFO] [stderr] Compiling cpal v0.13.4 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking unicode-segmentation v1.8.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking ringbuf v0.2.6 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking nix v0.20.2 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking signal-hook-mio v0.2.1 [INFO] [stderr] Checking crossterm v0.20.0 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking tui v0.16.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking alsa v0.5.0 [INFO] [stderr] Checking sound-amp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | terminal.draw(|f| draw_tui(f, &mut app)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 75 | let _ = terminal.draw(|f| draw_tui(f, &mut app)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | player_channel.send(PlayerCommand::IncreaseVolume(1.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 94 | let _ = player_channel.send(PlayerCommand::IncreaseVolume(1.0)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:97:17 [INFO] [stdout] | [INFO] [stdout] 97 | player_channel.send(PlayerCommand::IncreaseVolume(-1.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 97 | let _ = player_channel.send(PlayerCommand::IncreaseVolume(-1.0)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | / player_channel.send(PlayerCommand::Start( [INFO] [stdout] 110 | | app.input_devices.state.selected().unwrap(), [INFO] [stdout] 111 | | )); [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = player_channel.send(PlayerCommand::Start( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:211:17 [INFO] [stdout] | [INFO] [stdout] 211 | producer.push(sample * factor_value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 211 | let _ = producer.push(sample * factor_value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | terminal.draw(|f| draw_tui(f, &mut app)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 75 | let _ = terminal.draw(|f| draw_tui(f, &mut app)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | player_channel.send(PlayerCommand::IncreaseVolume(1.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 94 | let _ = player_channel.send(PlayerCommand::IncreaseVolume(1.0)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:97:17 [INFO] [stdout] | [INFO] [stdout] 97 | player_channel.send(PlayerCommand::IncreaseVolume(-1.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 97 | let _ = player_channel.send(PlayerCommand::IncreaseVolume(-1.0)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | / player_channel.send(PlayerCommand::Start( [INFO] [stdout] 110 | | app.input_devices.state.selected().unwrap(), [INFO] [stdout] 111 | | )); [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = player_channel.send(PlayerCommand::Start( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:211:17 [INFO] [stdout] | [INFO] [stdout] 211 | producer.push(sample * factor_value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 211 | let _ = producer.push(sample * factor_value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.62s [INFO] running `Command { std: "docker" "inspect" "682c683db3c6a3870b38b2709e9b66fb8334e2322c040eae15f72b4d1bb9f4a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "682c683db3c6a3870b38b2709e9b66fb8334e2322c040eae15f72b4d1bb9f4a8", kill_on_drop: false }` [INFO] [stdout] 682c683db3c6a3870b38b2709e9b66fb8334e2322c040eae15f72b4d1bb9f4a8