[INFO] fetching crate kobo-core 0.4.1...
[INFO] checking kobo-core-0.4.1 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate kobo-core 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate kobo-core 0.4.1
[INFO] finished tweaking crates.io crate kobo-core 0.4.1
[INFO] tweaked toml for crates.io crate kobo-core 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kobo-core 0.4.1 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kobo-core 0.4.1 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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b425aec6c8b740bed8af910360eb709fcf80923aa534353ee383ce22198fc084
[INFO] running `Command { std: "docker" "start" "b425aec6c8b740bed8af910360eb709fcf80923aa534353ee383ce22198fc084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b425aec6c8b740bed8af910360eb709fcf80923aa534353ee383ce22198fc084", 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" "b425aec6c8b740bed8af910360eb709fcf80923aa534353ee383ce22198fc084" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b425aec6c8b740bed8af910360eb709fcf80923aa534353ee383ce22198fc084", 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" "b425aec6c8b740bed8af910360eb709fcf80923aa534353ee383ce22198fc084" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.25.1
[INFO] [stderr]    Compiling zerocopy v0.8.54
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]     Checking zlib-rs v0.6.6
[INFO] [stderr]    Compiling aws-lc-rs v1.17.1
[INFO] [stderr]    Compiling cc v1.2.67
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling rustls v0.23.41
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ttf-parser v0.21.1
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking kurbo v0.11.3
[INFO] [stderr]     Checking unicode-ccc v0.2.0
[INFO] [stderr]     Checking sha1 v0.10.7
[INFO] [stderr]     Checking symphonia-core v0.5.5
[INFO] [stderr]     Checking tiny-skia-path v0.11.4
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[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking regex-syntax v0.8.11
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[INFO] [stderr]     Checking transpose v0.2.3
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking futures-core v0.3.32
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[INFO] [stderr]     Checking rustfft v6.4.1
[INFO] [stderr]     Checking servo_arc v0.3.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking rand v0.8.7
[INFO] [stderr]     Checking xml v1.3.0
[INFO] [stderr]     Checking zune-core v0.5.1
[INFO] [stderr]     Checking imagesize v0.12.0
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking moxcms v0.8.1
[INFO] [stderr]     Checking zune-jpeg v0.5.15
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]     Checking svgtypes v0.15.3
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking rgb v0.8.53
[INFO] [stderr]     Checking xml-rs v1.0.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking gif v0.14.2
[INFO] [stderr]     Checking jpeg-decoder v0.3.2
[INFO] [stderr]     Checking time v0.3.53
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking rustybuzz v0.18.0
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking symphonia-metadata v0.5.5
[INFO] [stderr]     Checking symphonia-codec-pcm v0.5.5
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling aws-lc-sys v0.42.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]     Checking regex-automata v0.4.15
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.5
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking zip v3.0.0
[INFO] [stderr]     Checking png v0.18.1
[INFO] [stderr]     Checking symphonia v0.5.5
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking tiny-skia v0.11.4
[INFO] [stderr]     Checking rustybuzz v0.14.1
[INFO] [stderr]     Checking fontdb v0.18.0
[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 2026-10-11; 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" "b425aec6c8b740bed8af910360eb709fcf80923aa534353ee383ce22198fc084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b425aec6c8b740bed8af910360eb709fcf80923aa534353ee383ce22198fc084", kill_on_drop: false }`
[INFO] [stdout] b425aec6c8b740bed8af910360eb709fcf80923aa534353ee383ce22198fc084
