[INFO] fetching crate i-slint-backend-qt 1.15.1...
[INFO] testing i-slint-backend-qt-1.15.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate i-slint-backend-qt 1.15.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate i-slint-backend-qt 1.15.1
[INFO] finished tweaking crates.io crate i-slint-backend-qt 1.15.1
[INFO] tweaked toml for crates.io crate i-slint-backend-qt 1.15.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate i-slint-backend-qt 1.15.1 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate i-slint-backend-qt 1.15.1 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11f9f6755229a21d88f3f10ee2679569826a80a78c2ec9041ea324dafc35cf8d
[INFO] running `Command { std: "docker" "start" "-a" "11f9f6755229a21d88f3f10ee2679569826a80a78c2ec9041ea324dafc35cf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11f9f6755229a21d88f3f10ee2679569826a80a78c2ec9041ea324dafc35cf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f9f6755229a21d88f3f10ee2679569826a80a78c2ec9041ea324dafc35cf8d", kill_on_drop: false }`
[INFO] [stdout] 11f9f6755229a21d88f3f10ee2679569826a80a78c2ec9041ea324dafc35cf8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e07df0918088368031f6dd96beb2193de06ce9caf8c0faaaf030376fbacedbf
[INFO] running `Command { std: "docker" "start" "-a" "3e07df0918088368031f6dd96beb2193de06ce9caf8c0faaaf030376fbacedbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]    Compiling regex-syntax v0.8.9
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[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
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[INFO] [stderr]    Compiling cc v1.2.55
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[INFO] [stderr]    Compiling unicode-bidi v0.3.18
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[INFO] [stderr]    Compiling clru v0.6.2
[INFO] [stderr]    Compiling pin-weak v1.1.0
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[INFO] [stderr]    Compiling sys-locale v0.3.2
[INFO] [stderr]    Compiling lyon_geom v1.0.18
[INFO] [stderr]    Compiling lyon_path v1.0.16
[INFO] [stderr]    Compiling cpp_common v0.5.10
[INFO] [stderr]    Compiling derive_utils v0.15.0
[INFO] [stderr]    Compiling lyon_algorithms v1.0.16
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling const-field-offset-macro v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling vtable-macro v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling cpp_macros v0.5.10
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling i-slint-core-macros v1.15.1
[INFO] [stderr]    Compiling auto_enums v0.8.7
[INFO] [stderr]    Compiling const-field-offset v0.1.5
[INFO] [stderr]    Compiling fontdb v0.23.0
[INFO] [stderr]    Compiling cpp v0.5.10
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling vtable v0.3.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling moxcms v0.7.11
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling lyon_extra v1.0.3
[INFO] [stderr]    Compiling cpp_build v0.5.10
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling font-types v0.10.1
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling rustybuzz v0.20.1
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling qttypes v0.2.12
[INFO] [stderr]    Compiling i-slint-backend-qt v1.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling read-fonts v0.35.0
[INFO] [stderr]    Compiling tiny-skia v0.11.4
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling usvg v0.46.0
[INFO] [stderr]    Compiling image v0.25.9
[INFO] [stderr]    Compiling resvg v0.46.0
[INFO] [stderr]    Compiling skrifa v0.37.0
[INFO] [stderr]    Compiling fontique v0.7.0
[INFO] [stderr]    Compiling harfrust v0.3.2
[INFO] [stderr]    Compiling i-slint-common v1.15.1
[INFO] [stderr]    Compiling swash v0.2.6
[INFO] [stderr]    Compiling parley v0.7.0
[INFO] [stderr]    Compiling i-slint-core v1.15.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "3e07df0918088368031f6dd96beb2193de06ce9caf8c0faaaf030376fbacedbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e07df0918088368031f6dd96beb2193de06ce9caf8c0faaaf030376fbacedbf", kill_on_drop: false }`
[INFO] [stdout] 3e07df0918088368031f6dd96beb2193de06ce9caf8c0faaaf030376fbacedbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b35faad958a6fbd805f4be91b429f6a5eb0a03aa833ba6fd7840c39bdd951bab
[INFO] running `Command { std: "docker" "start" "-a" "b35faad958a6fbd805f4be91b429f6a5eb0a03aa833ba6fd7840c39bdd951bab", kill_on_drop: false }`
[INFO] [stderr]    Compiling i-slint-backend-qt v1.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "b35faad958a6fbd805f4be91b429f6a5eb0a03aa833ba6fd7840c39bdd951bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35faad958a6fbd805f4be91b429f6a5eb0a03aa833ba6fd7840c39bdd951bab", kill_on_drop: false }`
[INFO] [stdout] b35faad958a6fbd805f4be91b429f6a5eb0a03aa833ba6fd7840c39bdd951bab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5b7dfebbdba7d6ed329b8bdd81c11cc9cee77af481eededf3f458cde7a3c4fc
[INFO] running `Command { std: "docker" "start" "-a" "f5b7dfebbdba7d6ed329b8bdd81c11cc9cee77af481eededf3f458cde7a3c4fc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/i_slint_backend_qt-ae3bee00fc323838)
[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]    Doc-tests i_slint_backend_qt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib.rs - NativeWidgets (line 43) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lib.rs - NativeWidgets (line 43) stdout ----
[INFO] [stdout] error[E0433]: cannot find `rtti` in `i_slint_core`
[INFO] [stdout]   --> lib.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<T: i_slint_core::rtti::BuiltinItem, Next: DoSomething> DoSomething for (T, Next) {
[INFO] [stdout]    |                       ^^^^ could not find `rtti` in `i_slint_core`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/i-slint-core-1.15.1/lib.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[cfg(feature = "rtti")]
[INFO] [stdout]    |       ---------------- the item is gated behind the `rtti` feature
[INFO] [stdout] 54 | pub mod rtti;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     lib.rs - NativeWidgets (line 43)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.37s; merged doctests compilation took 0.15s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "f5b7dfebbdba7d6ed329b8bdd81c11cc9cee77af481eededf3f458cde7a3c4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b7dfebbdba7d6ed329b8bdd81c11cc9cee77af481eededf3f458cde7a3c4fc", kill_on_drop: false }`
[INFO] [stdout] f5b7dfebbdba7d6ed329b8bdd81c11cc9cee77af481eededf3f458cde7a3c4fc
