[INFO] fetching crate concinnity-world 0.18.69...
[INFO] checking concinnity-world-0.18.69 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate concinnity-world 0.18.69 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate concinnity-world 0.18.69
[INFO] finished tweaking crates.io crate concinnity-world 0.18.69
[INFO] tweaked toml for crates.io crate concinnity-world 0.18.69 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate concinnity-world 0.18.69 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 concinnity-world 0.18.69 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-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] 3bd58ee8841e4afe0b9f992be8ed30e47784c7830f0e2805fea4356ed599ab9c
[INFO] running `Command { std: "docker" "start" "3bd58ee8841e4afe0b9f992be8ed30e47784c7830f0e2805fea4356ed599ab9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bd58ee8841e4afe0b9f992be8ed30e47784c7830f0e2805fea4356ed599ab9c", 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" "3bd58ee8841e4afe0b9f992be8ed30e47784c7830f0e2805fea4356ed599ab9c" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bd58ee8841e4afe0b9f992be8ed30e47784c7830f0e2805fea4356ed599ab9c", 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" "3bd58ee8841e4afe0b9f992be8ed30e47784c7830f0e2805fea4356ed599ab9c" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]     Checking ttf-parser v0.21.1
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking crossbeam-epoch v0.9.20
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking cobs v0.3.0
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking postcard v1.1.3
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking bytemuck v1.25.0
[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" "3bd58ee8841e4afe0b9f992be8ed30e47784c7830f0e2805fea4356ed599ab9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd58ee8841e4afe0b9f992be8ed30e47784c7830f0e2805fea4356ed599ab9c", kill_on_drop: false }`
[INFO] [stdout] 3bd58ee8841e4afe0b9f992be8ed30e47784c7830f0e2805fea4356ed599ab9c
