[INFO] fetching crate inkview-slint 0.3.0...
[INFO] checking inkview-slint-0.3.0 against 67a539cbdf2a0107837ce64f9069509a44da67b7 for pr-164053
[INFO] extracting crate inkview-slint 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate inkview-slint 0.3.0
[INFO] finished tweaking crates.io crate inkview-slint 0.3.0
[INFO] tweaked toml for crates.io crate inkview-slint 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate inkview-slint 0.3.0 on toolchain 67a539cbdf2a0107837ce64f9069509a44da67b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate inkview-slint 0.3.0 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" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2a9d7aae133ac6b7558524d761ce9af51b3e43993f3c34ec14e50360c531ce57
[INFO] running `Command { std: "docker" "start" "2a9d7aae133ac6b7558524d761ce9af51b3e43993f3c34ec14e50360c531ce57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a9d7aae133ac6b7558524d761ce9af51b3e43993f3c34ec14e50360c531ce57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2a9d7aae133ac6b7558524d761ce9af51b3e43993f3c34ec14e50360c531ce57" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a9d7aae133ac6b7558524d761ce9af51b3e43993f3c34ec14e50360c531ce57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2a9d7aae133ac6b7558524d761ce9af51b3e43993f3c34ec14e50360c531ce57" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking kurbo v0.11.3
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]     Checking unicode-properties v0.1.4
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]     Checking unicode-script v0.5.7
[INFO] [stderr]    Compiling i-slint-common v1.14.1
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.4.0
[INFO] [stderr]     Checking linebender_resource_handle v0.1.1
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking unicode-ccc v0.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking simplecss v0.2.2
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking roxmltree v0.20.0
[INFO] [stderr]     Checking zune-core v0.5.0
[INFO] [stderr]     Checking weezl v0.1.12
[INFO] [stderr]     Checking imagesize v0.13.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]     Checking data-url v0.3.2
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking core_maths v0.1.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]     Checking svgtypes v0.15.3
[INFO] [stderr]     Checking zune-jpeg v0.5.5
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking image-webp v0.2.4
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking ttf-parser v0.21.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling text-size v1.1.1
[INFO] [stderr]    Compiling i-slint-compiler v1.14.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]    Compiling linked_hash_set v0.1.6
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]     Checking euclid v0.22.11
[INFO] [stderr]     Checking pxfm v0.1.26
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]    Compiling codemap-diagnostic v0.1.2
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]    Compiling i-slint-backend-selector v1.14.1
[INFO] [stderr]    Compiling typed-index-collections v3.3.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking sys-locale v0.3.2
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling smol_str v0.3.4
[INFO] [stderr]     Checking pin-weak v1.1.0
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.5
[INFO] [stderr]    Compiling spin_on v0.1.1
[INFO] [stderr]    Compiling rowan v0.16.1
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking lyon_geom v1.0.18
[INFO] [stderr]     Checking fontdue v0.9.3
[INFO] [stdout] error[E0658]: use of unstable library feature `liballoc_internals`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fontdue-0.9.3/src/font.rs:284:38
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let mut glyphs: Vec<Glyph> = vec::from_elem(Glyph::default(), glyph_count as usize);
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(liballoc_internals)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-10-09; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lyon_path v1.0.16
[INFO] [stderr]     Checking fontdb v0.23.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fontdue` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2a9d7aae133ac6b7558524d761ce9af51b3e43993f3c34ec14e50360c531ce57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9d7aae133ac6b7558524d761ce9af51b3e43993f3c34ec14e50360c531ce57", kill_on_drop: false }`
[INFO] [stdout] 2a9d7aae133ac6b7558524d761ce9af51b3e43993f3c34ec14e50360c531ce57
