[INFO] cloning repository https://github.com/s4mu3lbk/viscus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s4mu3lbk/viscus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs4mu3lbk%2Fviscus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs4mu3lbk%2Fviscus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fa5e655d9a88812228434dc25794648dc109644
[INFO] checking s4mu3lbk/viscus against 67a539cbdf2a0107837ce64f9069509a44da67b7 for pr-164053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs4mu3lbk%2Fviscus" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/s4mu3lbk/viscus
[INFO] finished tweaking git repo https://github.com/s4mu3lbk/viscus
[INFO] tweaked toml for git repo https://github.com/s4mu3lbk/viscus written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/s4mu3lbk/viscus 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 git repo https://github.com/s4mu3lbk/viscus 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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7ab38028cecb653f28ae24d5d7ae236a26050ea8e1c10d6480cd52d042e9bca0
[INFO] running `Command { std: "docker" "start" "7ab38028cecb653f28ae24d5d7ae236a26050ea8e1c10d6480cd52d042e9bca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab38028cecb653f28ae24d5d7ae236a26050ea8e1c10d6480cd52d042e9bca0", 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" "7ab38028cecb653f28ae24d5d7ae236a26050ea8e1c10d6480cd52d042e9bca0" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab38028cecb653f28ae24d5d7ae236a26050ea8e1c10d6480cd52d042e9bca0", 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" "7ab38028cecb653f28ae24d5d7ae236a26050ea8e1c10d6480cd52d042e9bca0" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling zerocopy v0.8.54
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling cc v1.2.67
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling crossbeam-deque v0.8.7
[INFO] [stderr]    Compiling quick-xml v0.39.4
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling built v0.8.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]     Checking aligned v0.4.3
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking piper v0.2.5
[INFO] [stderr]     Checking no_std_io2 v0.9.4
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling pulp v0.22.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.11
[INFO] [stderr]     Checking y4m v0.8.0
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking bitstream-io v4.10.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]    Compiling ort-sys v2.0.0-rc.10
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]     Checking pulp-wasm-simd-flag v0.1.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking zune-core v0.5.1
[INFO] [stderr]     Checking imgref v1.12.2
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking zune-jpeg v0.5.15
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking sha1 v0.10.7
[INFO] [stderr]     Checking nix v0.29.0
[INFO] [stderr]     Checking avif-serialize v0.8.9
[INFO] [stderr]    Compiling wayland-scanner v0.31.10
[INFO] [stderr]     Checking async-broadcast v0.7.2
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking xdg-home v1.3.0
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-executor v1.14.0
[INFO] [stderr]     Checking memmap2 v0.8.0
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.19.2
[INFO] [stderr]     Checking fax v0.2.7
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking async-fs v2.2.0
[INFO] [stderr]     Checking rgb v0.8.53
[INFO] [stderr]     Checking moxcms v0.8.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]    Compiling wayland-backend v0.3.15
[INFO] [stderr]     Checking png v0.18.1
[INFO] [stderr]     Checking memmap2 v0.9.11
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking smallvec v2.0.0-alpha.10
[INFO] [stderr]     Checking fontdue v0.9.3
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[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 pretty_assertions v1.4.1
[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" "7ab38028cecb653f28ae24d5d7ae236a26050ea8e1c10d6480cd52d042e9bca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab38028cecb653f28ae24d5d7ae236a26050ea8e1c10d6480cd52d042e9bca0", kill_on_drop: false }`
[INFO] [stdout] 7ab38028cecb653f28ae24d5d7ae236a26050ea8e1c10d6480cd52d042e9bca0
