[INFO] fetching crate wunderkammer 0.2.0...
[INFO] checking wunderkammer-0.2.0 against 67a539cbdf2a0107837ce64f9069509a44da67b7 for pr-164053
[INFO] extracting crate wunderkammer 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate wunderkammer 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate wunderkammer 0.2.0
[INFO] tweaked toml for crates.io crate wunderkammer 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wunderkammer 0.2.0 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 wunderkammer 0.2.0 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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1e9e216bdecf94ea52894d1ccaa3e268719a903473e8d1d43025e682f26c0cf8
[INFO] running `Command { std: "docker" "start" "1e9e216bdecf94ea52894d1ccaa3e268719a903473e8d1d43025e682f26c0cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e9e216bdecf94ea52894d1ccaa3e268719a903473e8d1d43025e682f26c0cf8", 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" "1e9e216bdecf94ea52894d1ccaa3e268719a903473e8d1d43025e682f26c0cf8" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e9e216bdecf94ea52894d1ccaa3e268719a903473e8d1d43025e682f26c0cf8", 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" "1e9e216bdecf94ea52894d1ccaa3e268719a903473e8d1d43025e682f26c0cf8" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling miniquad v0.4.6
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking bytemuck v1.19.0
[INFO] [stderr]    Compiling macroquad_macro v0.1.8
[INFO] [stderr]     Checking quad-rand v0.2.3
[INFO] [stderr]     Checking glam v0.27.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking fdeflate v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking png v0.17.14
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking fontdue v0.7.3
[INFO] [stdout] error[E0658]: use of unstable library feature `liballoc_internals`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fontdue-0.7.3/src/font.rs:273:38
[INFO] [stdout]     |
[INFO] [stdout] 273 |         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] [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" "1e9e216bdecf94ea52894d1ccaa3e268719a903473e8d1d43025e682f26c0cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9e216bdecf94ea52894d1ccaa3e268719a903473e8d1d43025e682f26c0cf8", kill_on_drop: false }`
[INFO] [stdout] 1e9e216bdecf94ea52894d1ccaa3e268719a903473e8d1d43025e682f26c0cf8