[INFO] fetching crate fem-cuda-solver 0.1.0...
[INFO] testing fem-cuda-solver-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fem-cuda-solver 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate fem-cuda-solver 0.1.0
[INFO] finished tweaking crates.io crate fem-cuda-solver 0.1.0
[INFO] tweaked toml for crates.io crate fem-cuda-solver 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fem-cuda-solver 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fem-cuda-solver 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bf99fda0c90604319dc06a51ffeb7d681fde8ca67bdfb8b246b9e5eb4988160
[INFO] running `Command { std: "docker" "start" "-a" "3bf99fda0c90604319dc06a51ffeb7d681fde8ca67bdfb8b246b9e5eb4988160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bf99fda0c90604319dc06a51ffeb7d681fde8ca67bdfb8b246b9e5eb4988160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf99fda0c90604319dc06a51ffeb7d681fde8ca67bdfb8b246b9e5eb4988160", kill_on_drop: false }`
[INFO] [stdout] 3bf99fda0c90604319dc06a51ffeb7d681fde8ca67bdfb8b246b9e5eb4988160
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa1fcb478fdbc196d4fc6524671a8f1ae43367877eea760c6ed1019dc4c70e36
[INFO] running `Command { std: "docker" "start" "-a" "fa1fcb478fdbc196d4fc6524671a8f1ae43367877eea760c6ed1019dc4c70e36", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling cc v1.2.22
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling fem-cuda-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: fem-cuda-solver@0.1.0: neither NVCC nor CUDACXX environment variables are set
[INFO] [stderr] error: failed to run custom build command for `fem-cuda-solver v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/fem-cuda-solver-0f2fb7601206865f/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::error=neither NVCC nor CUDACXX environment variables are set
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: CudaCompilerPathError(NotPresent, NotPresent)
[INFO] running `Command { std: "docker" "inspect" "fa1fcb478fdbc196d4fc6524671a8f1ae43367877eea760c6ed1019dc4c70e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1fcb478fdbc196d4fc6524671a8f1ae43367877eea760c6ed1019dc4c70e36", kill_on_drop: false }`
[INFO] [stdout] fa1fcb478fdbc196d4fc6524671a8f1ae43367877eea760c6ed1019dc4c70e36