[INFO] cloning repository https://github.com/jeffvandyke/rust-tui-audio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffvandyke/rust-tui-audio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffvandyke%2Frust-tui-audio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffvandyke%2Frust-tui-audio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ce661aaa6f814797f6cb093da5fab85eca1514d
[INFO] checking jeffvandyke/rust-tui-audio against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffvandyke%2Frust-tui-audio" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffvandyke/rust-tui-audio 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] started tweaking git repo https://github.com/jeffvandyke/rust-tui-audio
[INFO] finished tweaking git repo https://github.com/jeffvandyke/rust-tui-audio
[INFO] tweaked toml for git repo https://github.com/jeffvandyke/rust-tui-audio written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jeffvandyke/rust-tui-audio 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_cursor v0.1.0
[INFO] [stderr]   Downloaded crossterm_utils v0.1.0
[INFO] [stderr]   Downloaded wavy v0.1.2
[INFO] [stderr]   Downloaded crossterm v0.6.0
[INFO] [stderr]   Downloaded crossterm_terminal v0.1.0
[INFO] [stderr]   Downloaded crossterm_screen v0.2.3
[INFO] [stderr]   Downloaded crossterm_cursor v0.2.3
[INFO] [stderr]   Downloaded crossterm_utils v0.2.3
[INFO] [stderr]   Downloaded crossterm_input v0.3.5
[INFO] [stderr]   Downloaded crossterm_style v0.3.3
[INFO] [stderr]   Downloaded crossterm_terminal v0.2.4
[INFO] [stderr]   Downloaded crossterm v0.9.5
[INFO] [stderr]   Downloaded libc v0.2.55
[INFO] [stderr]   Downloaded crossterm_input v0.1.0
[INFO] [stderr]   Downloaded crossterm_style v0.1.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.1.4
[INFO] [stderr]   Downloaded tui v0.5.1
[INFO] [stderr]   Downloaded crossterm_screen v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e28efe155fe23e21cce74545bb21a79d230a868b4678558b60929ef4a0106b9f
[INFO] running `Command { std: "docker" "start" "-a" "e28efe155fe23e21cce74545bb21a79d230a868b4678558b60929ef4a0106b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28efe155fe23e21cce74545bb21a79d230a868b4678558b60929ef4a0106b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28efe155fe23e21cce74545bb21a79d230a868b4678558b60929ef4a0106b9f", kill_on_drop: false }`
[INFO] [stdout] e28efe155fe23e21cce74545bb21a79d230a868b4678558b60929ef4a0106b9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 282c0a55d8841ec8d1bdee7da5d2554b7e69af05b25e6956899cf9b14e4bbdf6
[INFO] running `Command { std: "docker" "start" "-a" "282c0a55d8841ec8d1bdee7da5d2554b7e69af05b25e6956899cf9b14e4bbdf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking crossterm_utils v0.2.3
[INFO] [stderr]     Checking wavy v0.1.2
[INFO] [stderr]     Checking crossterm_utils v0.1.0
[INFO] [stderr]     Checking crossterm_screen v0.2.3
[INFO] [stderr]     Checking crossterm_cursor v0.2.3
[INFO] [stderr]     Checking crossterm_style v0.3.3
[INFO] [stderr]     Checking crossterm_cursor v0.1.0
[INFO] [stderr]     Checking crossterm_style v0.1.0
[INFO] [stderr]     Checking crossterm_screen v0.1.0
[INFO] [stderr]     Checking crossterm_input v0.1.0
[INFO] [stderr]     Checking crossterm_input v0.3.5
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking crossterm_terminal v0.2.4
[INFO] [stderr]     Checking crossterm_terminal v0.1.0
[INFO] [stderr]     Checking crossterm v0.6.0
[INFO] [stderr]     Checking crossterm v0.9.5
[INFO] [stderr]     Checking tui v0.5.1
[INFO] [stderr]     Checking tui-audio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `wavy` is imported redundantly
[INFO] [stdout]   --> src/app.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 use wavy;
[INFO] [stdout]    |                     ^^^^ the item `wavy` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^ the item `crossterm` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wavy` is imported redundantly
[INFO] [stdout]   --> src/app.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 use wavy;
[INFO] [stdout]    |                     ^^^^ the item `wavy` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^ the item `crossterm` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.78s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "282c0a55d8841ec8d1bdee7da5d2554b7e69af05b25e6956899cf9b14e4bbdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282c0a55d8841ec8d1bdee7da5d2554b7e69af05b25e6956899cf9b14e4bbdf6", kill_on_drop: false }`
[INFO] [stdout] 282c0a55d8841ec8d1bdee7da5d2554b7e69af05b25e6956899cf9b14e4bbdf6
[INFO] checking jeffvandyke/rust-tui-audio against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffvandyke%2Frust-tui-audio" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffvandyke/rust-tui-audio on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeffvandyke/rust-tui-audio
[INFO] finished tweaking git repo https://github.com/jeffvandyke/rust-tui-audio
[INFO] tweaked toml for git repo https://github.com/jeffvandyke/rust-tui-audio written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jeffvandyke/rust-tui-audio 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91ce495266e747388690e62664b762a54b9f03ceeed881881450e317f4f6bc76
[INFO] running `Command { std: "docker" "start" "-a" "91ce495266e747388690e62664b762a54b9f03ceeed881881450e317f4f6bc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91ce495266e747388690e62664b762a54b9f03ceeed881881450e317f4f6bc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ce495266e747388690e62664b762a54b9f03ceeed881881450e317f4f6bc76", kill_on_drop: false }`
[INFO] [stdout] 91ce495266e747388690e62664b762a54b9f03ceeed881881450e317f4f6bc76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e874604d01db10e79f40db345eefee55e1128e7981cadd90125813ddf8f6c00a
[INFO] running `Command { std: "docker" "start" "-a" "e874604d01db10e79f40db345eefee55e1128e7981cadd90125813ddf8f6c00a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking crossterm_utils v0.2.3
[INFO] [stderr]     Checking wavy v0.1.2
[INFO] [stderr]     Checking crossterm_screen v0.2.3
[INFO] [stderr]     Checking crossterm_cursor v0.2.3
[INFO] [stderr]     Checking crossterm_style v0.3.3
[INFO] [stderr]     Checking crossterm_utils v0.1.0
[INFO] [stderr]     Checking crossterm_input v0.3.5
[INFO] [stderr]     Checking crossterm_terminal v0.2.4
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking crossterm_cursor v0.1.0
[INFO] [stderr]     Checking crossterm_input v0.1.0
[INFO] [stderr]     Checking crossterm_screen v0.1.0
[INFO] [stderr]     Checking crossterm_style v0.1.0
[INFO] [stderr]     Checking crossterm_terminal v0.1.0
[INFO] [stderr]     Checking crossterm v0.9.5
[INFO] [stderr]     Checking crossterm v0.6.0
[INFO] [stderr]     Checking tui v0.5.1
[INFO] [stderr]     Checking tui-audio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `wavy` is imported redundantly
[INFO] [stdout]   --> src/app.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 use wavy;
[INFO] [stdout]    |                     ^^^^ the item `wavy` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^ the item `crossterm` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wavy` is imported redundantly
[INFO] [stdout]   --> src/app.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 use wavy;
[INFO] [stdout]    |                     ^^^^ the item `wavy` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^ the item `crossterm` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "e874604d01db10e79f40db345eefee55e1128e7981cadd90125813ddf8f6c00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e874604d01db10e79f40db345eefee55e1128e7981cadd90125813ddf8f6c00a", kill_on_drop: false }`
[INFO] [stdout] e874604d01db10e79f40db345eefee55e1128e7981cadd90125813ddf8f6c00a