[INFO] fetching crate waveformchart 0.1.0...
[INFO] testing waveformchart-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate waveformchart 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate waveformchart 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate waveformchart 0.1.0
[INFO] tweaked toml for crates.io crate waveformchart 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate waveformchart 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate waveformchart 0.1.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d377a075237e98be243fe7dd361e074b11ce961a339a28d06263b47fcd4e744
[INFO] running `Command { std: "docker" "start" "-a" "7d377a075237e98be243fe7dd361e074b11ce961a339a28d06263b47fcd4e744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d377a075237e98be243fe7dd361e074b11ce961a339a28d06263b47fcd4e744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d377a075237e98be243fe7dd361e074b11ce961a339a28d06263b47fcd4e744", kill_on_drop: false }`
[INFO] [stdout] 7d377a075237e98be243fe7dd361e074b11ce961a339a28d06263b47fcd4e744
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20c842579427b094a34d588668fe964d85ecd5aa1e45ba112eee352ea7b48baa
[INFO] running `Command { std: "docker" "start" "-a" "20c842579427b094a34d588668fe964d85ecd5aa1e45ba112eee352ea7b48baa", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling zerocopy v0.8.28
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling instability v0.3.9
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling sysinfo v0.37.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling ratatui v0.29.0
[INFO] [stderr]    Compiling waveformchart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.82s
[INFO] running `Command { std: "docker" "inspect" "20c842579427b094a34d588668fe964d85ecd5aa1e45ba112eee352ea7b48baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c842579427b094a34d588668fe964d85ecd5aa1e45ba112eee352ea7b48baa", kill_on_drop: false }`
[INFO] [stdout] 20c842579427b094a34d588668fe964d85ecd5aa1e45ba112eee352ea7b48baa
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d1845b6980757ca00d23b774d659061a7ec14f6ffd74e60848f8f075101e0f1
[INFO] running `Command { std: "docker" "start" "-a" "3d1845b6980757ca00d23b774d659061a7ec14f6ffd74e60848f8f075101e0f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling waveformchart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> examples/app.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crossterm::event::{self, Event, KeyCode, KeyEventKind};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rect` and `Terminal`
[INFO] [stdout]   --> examples/app.rs:7:45
[INFO] [stdout]    |
[INFO] [stdout]  7 |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stdout]    |                                             ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Frame, Terminal,
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `app`
[INFO] [stdout]    --> examples/app.rs:270:2
[INFO] [stdout]     |
[INFO] [stdout] 270 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `examples/app.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> examples/app.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> examples/app.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crossterm::event::{self, Event, KeyCode, KeyEventKind};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rect` and `Terminal`
[INFO] [stdout]   --> examples/app.rs:7:45
[INFO] [stdout]    |
[INFO] [stdout]  7 |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stdout]    |                                             ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Frame, Terminal,
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event` and `KeyCode`
[INFO] [stdout]  --> examples/demo.rs:6:60
[INFO] [stdout]   |
[INFO] [stdout] 6 |     event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode},
[INFO] [stdout]   |                                                            ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> examples/app.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> examples/app.rs:125:30
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let noise: f64 = rng.gen_range(-0.02..0.02);
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> examples/app.rs:125:30
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let noise: f64 = rng.gen_range(-0.02..0.02);
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `waveformchart` (example "app") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3d1845b6980757ca00d23b774d659061a7ec14f6ffd74e60848f8f075101e0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1845b6980757ca00d23b774d659061a7ec14f6ffd74e60848f8f075101e0f1", kill_on_drop: false }`
[INFO] [stdout] 3d1845b6980757ca00d23b774d659061a7ec14f6ffd74e60848f8f075101e0f1
