[INFO] fetching crate wgpu-conveyor 0.2.0...
[INFO] testing wgpu-conveyor-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate wgpu-conveyor 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate wgpu-conveyor 0.2.0
[INFO] finished tweaking crates.io crate wgpu-conveyor 0.2.0
[INFO] tweaked toml for crates.io crate wgpu-conveyor 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wgpu-conveyor 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 111 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.11.1)
[INFO] [stderr]       Adding js-sys v0.3.46 (available: v0.3.95)
[INFO] [stderr]       Adding lru v0.6.6 (available: v0.17.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.5)
[INFO] [stderr]       Adding pollster v0.2.5 (available: v0.4.0)
[INFO] [stderr]       Adding syn v1.0.65 (available: v1.0.109)
[INFO] [stderr]       Adding wasm-bindgen v0.2.69 (available: v0.2.118)
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.69 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.19 (available: v0.4.68)
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.69 (available: v0.2.118)
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.69 (available: v0.2.118)
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.69 (available: v0.2.118)
[INFO] [stderr]       Adding web-sys v0.3.46 (available: v0.3.95)
[INFO] [stderr]       Adding wgpu v0.7.1 (available: v29.0.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6ba63b47e2d959fe2dee8ecaee5214b2f756f202bb238e57db79c0edc38f32b2
[INFO] running `Command { std: "docker" "start" "-a" "6ba63b47e2d959fe2dee8ecaee5214b2f756f202bb238e57db79c0edc38f32b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ba63b47e2d959fe2dee8ecaee5214b2f756f202bb238e57db79c0edc38f32b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba63b47e2d959fe2dee8ecaee5214b2f756f202bb238e57db79c0edc38f32b2", kill_on_drop: false }`
[INFO] [stdout] 6ba63b47e2d959fe2dee8ecaee5214b2f756f202bb238e57db79c0edc38f32b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 89cdef940a0f968e224f8531ea5d0dcb32d5308dba3f01023eed98f44d7163a4
[INFO] running `Command { std: "docker" "start" "-a" "89cdef940a0f968e224f8531ea5d0dcb32d5308dba3f01023eed98f44d7163a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling khronos-egl v3.0.2
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling ahash v0.4.8
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wgpu-core v0.7.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling inplace_it v0.3.6
[INFO] [stderr]    Compiling glow v0.7.2
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.2
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling wgpu-types v0.7.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling lru v0.6.6
[INFO] [stderr]    Compiling spirv_cross v0.23.1
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ash-0.31.0/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="default"' --cfg 'feature="libloading"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "libloading"))' -C metadata=8f6e45e499aa1bc9 -C extra-filename=-77fc631b6c286eba --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-8f7d9c213033cf1d.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 `syn` (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 syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=565bacb511bf186a -C extra-filename=-ec1ce637e2446a17 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fa97b1aa44f5fda.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-544fd508281ca8af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-423507c85e36a25a.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "89cdef940a0f968e224f8531ea5d0dcb32d5308dba3f01023eed98f44d7163a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89cdef940a0f968e224f8531ea5d0dcb32d5308dba3f01023eed98f44d7163a4", kill_on_drop: false }`
[INFO] [stdout] 89cdef940a0f968e224f8531ea5d0dcb32d5308dba3f01023eed98f44d7163a4
