[INFO] fetching crate fltk 1.5.22...
[INFO] testing fltk-1.5.22 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate fltk 1.5.22 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fltk 1.5.22
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fltk 1.5.22
[INFO] tweaked toml for crates.io crate fltk 1.5.22 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fltk 1.5.22 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fltk 1.5.22 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2350c93bb9112847ef154f07d1af4312e33e20ea145689d03644dd84fc33d7ed
[INFO] running `Command { std: "docker" "start" "-a" "2350c93bb9112847ef154f07d1af4312e33e20ea145689d03644dd84fc33d7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2350c93bb9112847ef154f07d1af4312e33e20ea145689d03644dd84fc33d7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2350c93bb9112847ef154f07d1af4312e33e20ea145689d03644dd84fc33d7ed", kill_on_drop: false }`
[INFO] [stdout] 2350c93bb9112847ef154f07d1af4312e33e20ea145689d03644dd84fc33d7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b5fa8e1b367b91d01af26ea8ecca6eb9267dc880d72a0ed8721365423876c8
[INFO] running `Command { std: "docker" "start" "-a" "54b5fa8e1b367b91d01af26ea8ecca6eb9267dc880d72a0ed8721365423876c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling cc v1.2.46
[INFO] [stderr]    Compiling minipaste v0.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling fltk-sys v1.5.22
[INFO] [stderr]    Compiling fltk v1.5.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.26s
[INFO] running `Command { std: "docker" "inspect" "54b5fa8e1b367b91d01af26ea8ecca6eb9267dc880d72a0ed8721365423876c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b5fa8e1b367b91d01af26ea8ecca6eb9267dc880d72a0ed8721365423876c8", kill_on_drop: false }`
[INFO] [stdout] 54b5fa8e1b367b91d01af26ea8ecca6eb9267dc880d72a0ed8721365423876c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84dd59f766eda13dbdb3a8d9e713d6c51eae63d6ed8c7aac7a92b9cf9eb23fa6
[INFO] running `Command { std: "docker" "start" "-a" "84dd59f766eda13dbdb3a8d9e713d6c51eae63d6ed8c7aac7a92b9cf9eb23fa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fltk v1.5.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/image.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut image = SharedImage::load("screenshots/calc.jpg")?;
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> tests/clear.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     btn.handle(move |w, ev| {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> tests/clear.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let b = button::Button::new(0, 0, 100, 100, "None");
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> tests/image.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut frame = Frame::default().size_of(&wind);
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app`
[INFO] [stdout]  --> tests/image.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let app = app::App::default().with_scheme(app::Scheme::Gleam);
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]  --> tests/image.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut frame = Frame::default().size_of(&wind);
[INFO] [stdout]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> examples/format_text.rs:286:71
[INFO] [stdout]     |
[INFO] [stdout] 286 | ...                   if let Some(i) = t.chars().next().map(|c| (c as usize - 65)) {
[INFO] [stdout]     |                                                                 ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 286 -                             if let Some(i) = t.chars().next().map(|c| (c as usize - 65)) {
[INFO] [stdout] 286 +                             if let Some(i) = t.chars().next().map(|c| c as usize - 65) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.42s
[INFO] running `Command { std: "docker" "inspect" "84dd59f766eda13dbdb3a8d9e713d6c51eae63d6ed8c7aac7a92b9cf9eb23fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84dd59f766eda13dbdb3a8d9e713d6c51eae63d6ed8c7aac7a92b9cf9eb23fa6", kill_on_drop: false }`
[INFO] [stdout] 84dd59f766eda13dbdb3a8d9e713d6c51eae63d6ed8c7aac7a92b9cf9eb23fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de44a9fdb6348bdadd4d86e2b2f5d3fe2bbc2175a35f1e87bef2ee208106d445
[INFO] running `Command { std: "docker" "start" "-a" "de44a9fdb6348bdadd4d86e2b2f5d3fe2bbc2175a35f1e87bef2ee208106d445", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> tests/clear.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 |     btn.handle(move |w, ev| {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> tests/clear.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |             let b = button::Button::new(0, 0, 100, 100, "None");
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: `fltk` (test "clear") generated 2 warnings (run `cargo fix --test "clear" -p fltk` to apply 2 suggestions)
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> examples/format_text.rs:286:71
[INFO] [stderr]     |
[INFO] [stderr] 286 | ...                   if let Some(i) = t.chars().next().map(|c| (c as usize - 65)) {
[INFO] [stderr]     |                                                                 ^               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 286 -                             if let Some(i) = t.chars().next().map(|c| (c as usize - 65)) {
[INFO] [stderr] 286 +                             if let Some(i) = t.chars().next().map(|c| c as usize - 65) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `fltk` (example "format_text") generated 1 warning (run `cargo fix --example "format_text" -p fltk` to apply 1 suggestion)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> tests/image.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut frame = Frame::default().size_of(&wind);
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `app`
[INFO] [stderr]  --> tests/image.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let app = app::App::default().with_scheme(app::Scheme::Gleam);
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]  --> tests/image.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut frame = Frame::default().size_of(&wind);
[INFO] [stderr]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: `fltk` (test "image") generated 3 warnings (run `cargo fix --test "image" -p fltk` to apply 3 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> examples/image.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut image = SharedImage::load("screenshots/calc.jpg")?;
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fltk` (example "image") generated 1 warning (run `cargo fix --example "image" -p fltk` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fltk-a2364701bddb1dd2)
[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] [stderr]      Running tests/app_handle.rs (/opt/rustwide/target/debug/deps/app_handle-3d46eaff4508614c)
[INFO] [stderr] Can't open display: 
[INFO] [stderr] error: test failed, to rerun pass `--test app_handle`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/app_handle-3d46eaff4508614c` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "de44a9fdb6348bdadd4d86e2b2f5d3fe2bbc2175a35f1e87bef2ee208106d445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de44a9fdb6348bdadd4d86e2b2f5d3fe2bbc2175a35f1e87bef2ee208106d445", kill_on_drop: false }`
[INFO] [stdout] de44a9fdb6348bdadd4d86e2b2f5d3fe2bbc2175a35f1e87bef2ee208106d445
