[INFO] fetching crate cad 0.0.2...
[INFO] testing cad-0.0.2 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate cad 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cad 0.0.2
[INFO] finished tweaking crates.io crate cad 0.0.2
[INFO] tweaked toml for crates.io crate cad 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cad 0.0.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cad 0.0.2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b154118ce2a7c1cd93b2b41c23bc2ef4f04e5b22da92cb48dcef84debac5dce9
[INFO] running `Command { std: "docker" "start" "-a" "b154118ce2a7c1cd93b2b41c23bc2ef4f04e5b22da92cb48dcef84debac5dce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b154118ce2a7c1cd93b2b41c23bc2ef4f04e5b22da92cb48dcef84debac5dce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b154118ce2a7c1cd93b2b41c23bc2ef4f04e5b22da92cb48dcef84debac5dce9", kill_on_drop: false }`
[INFO] [stdout] b154118ce2a7c1cd93b2b41c23bc2ef4f04e5b22da92cb48dcef84debac5dce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b1bf666db5c74328db2047f5e7264533296343b70f02da8c474efb446080580
[INFO] running `Command { std: "docker" "start" "-a" "2b1bf666db5c74328db2047f5e7264533296343b70f02da8c474efb446080580", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling naga v27.0.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling gpu-descriptor-types v0.2.0
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling wgpu-hal v27.0.4
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
[INFO] [stderr]    Compiling gpu-alloc v0.6.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling kurbo v0.13.0
[INFO] [stderr]    Compiling wgpu-core v27.0.3
[INFO] [stderr]    Compiling color v0.3.2
[INFO] [stderr]    Compiling linebender_resource_handle v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling wgpu v27.0.1
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling gpu-descriptor v0.3.2
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling env_filter v1.0.0
[INFO] [stderr]    Compiling jiff v0.2.23
[INFO] [stderr]    Compiling pollster v0.4.0
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling ordered-float v5.1.0
[INFO] [stderr]    Compiling euclid v0.22.13
[INFO] [stderr]    Compiling glam v0.30.10
[INFO] [stderr]    Compiling peniko v0.6.0
[INFO] [stderr]    Compiling guillotiere v0.6.2
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.40
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling env_logger v0.11.9
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling font-types v0.11.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling read-fonts v0.37.0
[INFO] [stderr]    Compiling wgpu-types v27.0.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling skrifa v0.40.0
[INFO] [stderr] error: could not compile `read-fonts` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name read_fonts --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/read-fonts-0.37.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("codegen_test", "default", "experimental_traverse", "ift", "libm", "scaler_test", "serde", "spec_next", "std"))' -C metadata=18048f3f6720d2fe -C extra-filename=-c582536f96d95e7e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-576b4fbe4246f076.rmeta --extern font_types=/opt/rustwide/target/debug/deps/libfont_types-038bb7b3b7ce2ed7.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ash` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name ash --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ash-0.38.0+1.3.281/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="debug"' --cfg 'feature="default"' --cfg 'feature="libloading"' --cfg 'feature="loaded"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("debug", "default", "libloading", "linked", "loaded", "std"))' -C metadata=36d0d41e19b399f3 -C extra-filename=-4fc5db0f614b4f3a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-62e4aa9a8a1553ae.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2b1bf666db5c74328db2047f5e7264533296343b70f02da8c474efb446080580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1bf666db5c74328db2047f5e7264533296343b70f02da8c474efb446080580", kill_on_drop: false }`
[INFO] [stdout] 2b1bf666db5c74328db2047f5e7264533296343b70f02da8c474efb446080580