[INFO] fetching crate fltk-webview 0.4.7...
[INFO] testing fltk-webview-0.4.7 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate fltk-webview 0.4.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fltk-webview 0.4.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fltk-webview 0.4.7
[INFO] tweaked toml for crates.io crate fltk-webview 0.4.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fltk-webview 0.4.7 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-webview 0.4.7 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] 4fc1fffe84abd06467624fe37c5cd648c2e28319b3d01ecfdefd7be8f0b3ef12
[INFO] running `Command { std: "docker" "start" "-a" "4fc1fffe84abd06467624fe37c5cd648c2e28319b3d01ecfdefd7be8f0b3ef12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fc1fffe84abd06467624fe37c5cd648c2e28319b3d01ecfdefd7be8f0b3ef12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc1fffe84abd06467624fe37c5cd648c2e28319b3d01ecfdefd7be8f0b3ef12", kill_on_drop: false }`
[INFO] [stdout] 4fc1fffe84abd06467624fe37c5cd648c2e28319b3d01ecfdefd7be8f0b3ef12
[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] c88df0b1232f501984b8af3b3d6ad82ecb7f0a1e934dc6a12a3776d79c1f39ba
[INFO] running `Command { std: "docker" "start" "-a" "c88df0b1232f501984b8af3b3d6ad82ecb7f0a1e934dc6a12a3776d79c1f39ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling cc v1.2.43
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling minipaste v0.1.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling wv-sys v0.2.1
[INFO] [stderr]    Compiling fltk-sys v1.5.20
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling fltk-webview-sys v0.4.3
[INFO] [stderr]    Compiling wv v0.2.1
[INFO] [stderr]    Compiling fltk v1.5.20
[INFO] [stderr]    Compiling fltk-webview v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "c88df0b1232f501984b8af3b3d6ad82ecb7f0a1e934dc6a12a3776d79c1f39ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88df0b1232f501984b8af3b3d6ad82ecb7f0a1e934dc6a12a3776d79c1f39ba", kill_on_drop: false }`
[INFO] [stdout] c88df0b1232f501984b8af3b3d6ad82ecb7f0a1e934dc6a12a3776d79c1f39ba
[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] e0fbe3d107aa7eec43c02780a15c0cd53928a5fe81144b06dbb005217b335c0d
[INFO] running `Command { std: "docker" "start" "-a" "e0fbe3d107aa7eec43c02780a15c0cd53928a5fe81144b06dbb005217b335c0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling tinyjson v2.5.1
[INFO] [stderr]    Compiling fltk-webview v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "e0fbe3d107aa7eec43c02780a15c0cd53928a5fe81144b06dbb005217b335c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0fbe3d107aa7eec43c02780a15c0cd53928a5fe81144b06dbb005217b335c0d", kill_on_drop: false }`
[INFO] [stdout] e0fbe3d107aa7eec43c02780a15c0cd53928a5fe81144b06dbb005217b335c0d
[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] 29ee117c8952203a1749ca38671dd101a3e5cf9d44b305e3821f2f6b1a3f6473
[INFO] running `Command { std: "docker" "start" "-a" "29ee117c8952203a1749ca38671dd101a3e5cf9d44b305e3821f2f6b1a3f6473", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fltk_webview-2023ae187c03b251)
[INFO] [stderr]    Doc-tests fltk_webview
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Can't open display: 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.96s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "29ee117c8952203a1749ca38671dd101a3e5cf9d44b305e3821f2f6b1a3f6473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ee117c8952203a1749ca38671dd101a3e5cf9d44b305e3821f2f6b1a3f6473", kill_on_drop: false }`
[INFO] [stdout] 29ee117c8952203a1749ca38671dd101a3e5cf9d44b305e3821f2f6b1a3f6473
