[INFO] fetching crate softbuffer-backend 0.1.0...
[INFO] checking softbuffer-backend-0.1.0 against 67a539cbdf2a0107837ce64f9069509a44da67b7 for pr-164053
[INFO] extracting crate softbuffer-backend 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate softbuffer-backend 0.1.0
[INFO] finished tweaking crates.io crate softbuffer-backend 0.1.0
[INFO] tweaked toml for crates.io crate softbuffer-backend 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate softbuffer-backend 0.1.0 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 softbuffer-backend 0.1.0 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-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b3083c06e804fbad11e26c6c85e2a82063807a6e3cef8c53bbebcb9d4f7a3391
[INFO] running `Command { std: "docker" "start" "b3083c06e804fbad11e26c6c85e2a82063807a6e3cef8c53bbebcb9d4f7a3391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3083c06e804fbad11e26c6c85e2a82063807a6e3cef8c53bbebcb9d4f7a3391", 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" "b3083c06e804fbad11e26c6c85e2a82063807a6e3cef8c53bbebcb9d4f7a3391" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3083c06e804fbad11e26c6c85e2a82063807a6e3cef8c53bbebcb9d4f7a3391", 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" "b3083c06e804fbad11e26c6c85e2a82063807a6e3cef8c53bbebcb9d4f7a3391" "/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 find-msvc-tools v0.1.12
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling wayland-sys v0.31.11
[INFO] [stderr]     Checking dlib v0.5.3
[INFO] [stderr]    Compiling quick-xml v0.41.0
[INFO] [stderr]    Compiling wayland-client v0.31.15
[INFO] [stderr]    Compiling cc v1.4.5
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking lru v0.18.4
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]    Compiling wayland-scanner v0.31.11
[INFO] [stderr]    Compiling wayland-backend v0.3.17
[INFO] [stderr]    Compiling drm-sys v0.8.1
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.2.3
[INFO] [stderr]     Checking unicode-truncate v2.0.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.57
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking xcursor v0.3.11
[INFO] [stderr]     Checking cursor-icon v1.2.0
[INFO] [stderr]     Checking time v0.3.55
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking owned_ttf_parser v0.25.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling tiny-xlib v0.2.5
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling darling_core v0.24.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking line-clipping v0.3.8
[INFO] [stderr]     Checking x11rb-protocol v0.13.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.10
[INFO] [stderr]    Compiling winit v0.30.13
[INFO] [stderr]     Checking ab_glyph v0.2.32
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking ctor v0.10.1
[INFO] [stderr]     Checking xkbcommon-dl v0.4.2
[INFO] [stderr]     Checking strum v0.28.0
[INFO] [stderr]     Checking smol_str v0.2.2
[INFO] [stderr]     Checking fontdue v0.9.4
[INFO] [stdout] error[E0658]: use of unstable library feature `liballoc_internals`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fontdue-0.9.4/src/font.rs:287:38
[INFO] [stdout]     |
[INFO] [stdout] 287 |         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" "b3083c06e804fbad11e26c6c85e2a82063807a6e3cef8c53bbebcb9d4f7a3391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3083c06e804fbad11e26c6c85e2a82063807a6e3cef8c53bbebcb9d4f7a3391", kill_on_drop: false }`
[INFO] [stdout] b3083c06e804fbad11e26c6c85e2a82063807a6e3cef8c53bbebcb9d4f7a3391
