[INFO] fetching crate test_linux_kernel_module 0.1.9...
[INFO] testing test_linux_kernel_module-0.1.9 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate test_linux_kernel_module 0.1.9 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate test_linux_kernel_module 0.1.9
[INFO] finished tweaking crates.io crate test_linux_kernel_module 0.1.9
[INFO] tweaked toml for crates.io crate test_linux_kernel_module 0.1.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate test_linux_kernel_module 0.1.9 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.51.1 (available: v0.72.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding shlex v0.1.1 (available: v1.3.0)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b89af4d0eaefaf6ae9423120b81f46ac555e73d6846b4f07ead424d97f0ec2c
[INFO] running `Command { std: "docker" "start" "-a" "4b89af4d0eaefaf6ae9423120b81f46ac555e73d6846b4f07ead424d97f0ec2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b89af4d0eaefaf6ae9423120b81f46ac555e73d6846b4f07ead424d97f0ec2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b89af4d0eaefaf6ae9423120b81f46ac555e73d6846b4f07ead424d97f0ec2c", kill_on_drop: false }`
[INFO] [stdout] 4b89af4d0eaefaf6ae9423120b81f46ac555e73d6846b4f07ead424d97f0ec2c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7adfc5ea35e3540925c06d1924990472842383fff4da1b002acc6300e1a2d16d
[INFO] running `Command { std: "docker" "start" "-a" "7adfc5ea35e3540925c06d1924990472842383fff4da1b002acc6300e1a2d16d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling test_linux_kernel_module v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `test_linux_kernel_module v0.1.9 (/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/test_linux_kernel_module-4931e86a654b32bc/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=KDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=CLANG
[INFO] [stderr]   cargo:rerun-if-changed=kernel-cflags-finder/Makefile
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   kernel-cflags-finder did not succeed
[INFO] [stderr]   stdout: 
[INFO] [stderr]   stderr: make[1]: *** /lib/modules/6.14.0-1014-gcp/build: No such file or directory.  Stop.
[INFO] [stderr]   make: *** [Makefile:33: all] Error 2
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "7adfc5ea35e3540925c06d1924990472842383fff4da1b002acc6300e1a2d16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adfc5ea35e3540925c06d1924990472842383fff4da1b002acc6300e1a2d16d", kill_on_drop: false }`
[INFO] [stdout] 7adfc5ea35e3540925c06d1924990472842383fff4da1b002acc6300e1a2d16d