[INFO] cloning repository https://github.com/HiTechLabTN/cobalt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HiTechLabTN/cobalt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiTechLabTN%2Fcobalt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiTechLabTN%2Fcobalt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64df1f863e7c42cbece821fa11e6be942182242a
[INFO] checking HiTechLabTN/cobalt against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiTechLabTN%2Fcobalt" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/HiTechLabTN/cobalt
[INFO] finished tweaking git repo https://github.com/HiTechLabTN/cobalt
[INFO] tweaked toml for git repo https://github.com/HiTechLabTN/cobalt written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HiTechLabTN/cobalt 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 git repo https://github.com/HiTechLabTN/cobalt 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] a0310a9be7e790f44c53fa952afb7c9a5190cadb1e5c392f0d446f83a86419ef
[INFO] running `Command { std: "docker" "start" "a0310a9be7e790f44c53fa952afb7c9a5190cadb1e5c392f0d446f83a86419ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0310a9be7e790f44c53fa952afb7c9a5190cadb1e5c392f0d446f83a86419ef", 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" "a0310a9be7e790f44c53fa952afb7c9a5190cadb1e5c392f0d446f83a86419ef" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0310a9be7e790f44c53fa952afb7c9a5190cadb1e5c392f0d446f83a86419ef", 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" "a0310a9be7e790f44c53fa952afb7c9a5190cadb1e5c392f0d446f83a86419ef" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]     Checking ttf-parser v0.21.1
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking kobo-ui v0.2.6 (/opt/rustwide/workdir/crates/kobo-ui)
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]     Checking hybrid-array v0.4.14
[INFO] [stderr]     Checking arrayvec v0.7.8
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling const-oid v0.10.2
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]     Checking bytemuck v1.25.2
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]     Checking roxmltree v0.20.0
[INFO] [stderr]    Compiling rand v0.8.7
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking kobo-dict v0.2.6 (/opt/rustwide/workdir/crates/kobo-dict)
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking miniz_oxide v0.9.1
[INFO] [stderr]     Checking regex-lite v0.1.9
[INFO] [stderr]     Checking fontconfig-parser v0.5.8
[INFO] [stderr]     Checking tiny-skia-path v0.11.4
[INFO] [stderr]     Checking crypto-common v0.2.2
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking block-buffer v0.12.1
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking kobo-json v0.2.6 (/opt/rustwide/workdir/crates/kobo-json)
[INFO] [stderr]    Compiling cc v1.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.13.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rustls-pki-types v1.15.1
[INFO] [stderr]     Checking kobo-protocol v0.2.6 (/opt/rustwide/workdir/crates/kobo-protocol)
[INFO] [stderr]    Compiling rustls v0.23.42
[INFO] [stderr]     Checking digest v0.11.3
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking fontdue v0.9.3
[INFO] [stderr]     Checking png v0.18.1
[INFO] [stderr]     Checking sha2 v0.11.0
[INFO] [stderr]     Checking kobo-abi v0.2.6 (/opt/rustwide/workdir/crates/kobo-abi)
[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] [stderr]     Checking memmap2 v0.9.11
[INFO] [stderr]     Checking tiny-skia v0.11.4
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking kobo-policy v0.2.6 (/opt/rustwide/workdir/crates/kobo-policy)
[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" "a0310a9be7e790f44c53fa952afb7c9a5190cadb1e5c392f0d446f83a86419ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0310a9be7e790f44c53fa952afb7c9a5190cadb1e5c392f0d446f83a86419ef", kill_on_drop: false }`
[INFO] [stdout] a0310a9be7e790f44c53fa952afb7c9a5190cadb1e5c392f0d446f83a86419ef
