[INFO] fetching crate frui 0.0.1... [INFO] testing frui-0.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate frui 0.0.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate frui 0.0.1 [INFO] finished tweaking crates.io crate frui 0.0.1 [INFO] tweaked toml for crates.io crate frui 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate frui 0.0.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate frui 0.0.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6137ab10be186b5a6b31116fa54caf5221ff23e5a62fafe858eb5d0fa9bd6de [INFO] running `Command { std: "docker" "start" "-a" "e6137ab10be186b5a6b31116fa54caf5221ff23e5a62fafe858eb5d0fa9bd6de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6137ab10be186b5a6b31116fa54caf5221ff23e5a62fafe858eb5d0fa9bd6de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6137ab10be186b5a6b31116fa54caf5221ff23e5a62fafe858eb5d0fa9bd6de", kill_on_drop: false }` [INFO] [stdout] e6137ab10be186b5a6b31116fa54caf5221ff23e5a62fafe858eb5d0fa9bd6de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b3a780b52f2df35daaf6ffda18b0a83b431d259aa0de670a0f7223314c42edd [INFO] running `Command { std: "docker" "start" "-a" "9b3a780b52f2df35daaf6ffda18b0a83b431d259aa0de670a0f7223314c42edd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.46 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling syn v1.0.101 [INFO] [stderr] Compiling serde v1.0.145 [INFO] [stderr] Compiling unicode-segmentation v1.10.0 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling strum v0.18.0 [INFO] [stderr] Compiling libc v0.2.134 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Compiling futures-sink v0.3.24 [INFO] [stderr] Compiling anyhow v1.0.65 [INFO] [stderr] Compiling futures-io v0.3.24 [INFO] [stderr] Compiling once_cell v1.15.0 [INFO] [stderr] Compiling cairo-rs v0.9.1 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling gio v0.9.1 [INFO] [stderr] Compiling unic-ucd-bidi v0.9.0 [INFO] [stderr] Compiling gdk-pixbuf v0.9.0 [INFO] [stderr] Compiling pango v0.9.1 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling atk v0.9.0 [INFO] [stderr] Compiling gdk v0.13.2 [INFO] [stderr] Compiling unic-bidi v0.9.0 [INFO] [stderr] Compiling const_fn v0.4.9 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Compiling gtk v0.9.2 [INFO] [stderr] Compiling xi-unicode v0.2.1 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Compiling itoa v1.0.3 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling keyboard-types v0.5.0 [INFO] [stderr] Compiling kurbo v0.7.1 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling piet v0.3.1 [INFO] [stderr] Compiling time v0.3.14 [INFO] [stderr] Compiling simplelog v0.12.0 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.37 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Compiling futures-macro v0.3.24 [INFO] [stderr] Compiling glib-macros v0.10.1 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Compiling frui_macros v0.0.1 [INFO] [stderr] Compiling time-macros v0.1.1 [INFO] [stderr] Compiling system-deps v1.3.2 [INFO] [stderr] Compiling glib-sys v0.10.1 [INFO] [stderr] Compiling gobject-sys v0.10.0 [INFO] [stderr] Compiling gio-sys v0.10.1 [INFO] [stderr] Compiling cairo-sys-rs v0.10.0 [INFO] [stderr] Compiling gdk-pixbuf-sys v0.10.0 [INFO] [stderr] Compiling pango-sys v0.10.0 [INFO] [stderr] Compiling atk-sys v0.10.0 [INFO] [stderr] Compiling gdk-sys v0.10.0 [INFO] [stderr] Compiling gtk-sys v0.10.0 [INFO] [stderr] Compiling futures-executor v0.3.24 [INFO] [stderr] Compiling glib v0.10.3 [INFO] [stderr] Compiling futures v0.3.24 [INFO] [stderr] Compiling piet-cairo v0.3.0 [INFO] [stderr] Compiling piet-common v0.3.2 [INFO] [stderr] Compiling druid-shell v0.7.0 [INFO] [stderr] Compiling frui_core v0.0.1 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/frui_core-0.0.1/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(auto_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/frui_core-0.0.1/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(negative_impls)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/frui_core-0.0.1/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/frui_core-0.0.1/src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0367]: `!Immutable` impl requires `T: Sized` but the struct it is implemented for does not [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/frui_core-0.0.1/src/api/widget_eq/cheap_eq.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | impl !Immutable for UnsafeCell {} [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] note: the implementor must specify the same requirement [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs:2188:1 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0367, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0367`. [INFO] [stdout] [INFO] [stderr] error: could not compile `frui_core` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `gtk` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name gtk --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gtk-0.9.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="v3_16"' --cfg 'feature="v3_18"' --cfg 'feature="v3_20"' --cfg 'feature="v3_22"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("dox", "embed-lgpl-docs", "gtk-rs-lgpl-docs", "purge-lgpl-docs", "v3_16", "v3_18", "v3_20", "v3_22", "v3_22_20", "v3_22_26", "v3_22_27", "v3_22_29", "v3_22_30", "v3_24", "v3_24_8", "v3_24_9"))' -C metadata=346f7b144af432a2 -C extra-filename=-fed5142f2e9b1ef4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-c236c4c49917a6e9.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-dde12b0d7d495b50.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-4eb8e4e4b9d6fe40.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-4b2895bf4bc74a9c.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-0c7bd781ea173ad0.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-e5ee32c799332b73.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-35ca2646e645430b.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-4b37ddf5ef8a0431.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-9f7f2b688ed981c0.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-f4e6f9f8cce4bed7.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-d41c1dd8672dcb34.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-59a3bfb93bbf2113.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-15a1f18322701cc9.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-e08face58ee551be.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-c6e78a9ebedeb1da.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-85b28529bf6cae43.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-0557eea97915e1f1.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-9b7b07f5a4b6e74d.rmeta --cap-lints allow --cap-lints=warn --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"' --cfg 'gdk_backend="x11"'` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "9b3a780b52f2df35daaf6ffda18b0a83b431d259aa0de670a0f7223314c42edd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b3a780b52f2df35daaf6ffda18b0a83b431d259aa0de670a0f7223314c42edd", kill_on_drop: false }` [INFO] [stdout] 9b3a780b52f2df35daaf6ffda18b0a83b431d259aa0de670a0f7223314c42edd