[INFO] fetching crate mlir-sys 210.0.0...
[INFO] testing mlir-sys-210.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mlir-sys 210.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mlir-sys 210.0.0
[INFO] finished tweaking crates.io crate mlir-sys 210.0.0
[INFO] tweaked toml for crates.io crate mlir-sys 210.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mlir-sys 210.0.0 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 mlir-sys 210.0.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 62d2703d8f0c3ed7a5ffffb190ffde479869ecbf52a0a1ea0bdf72535b0071e4
[INFO] running `Command { std: "docker" "start" "-a" "62d2703d8f0c3ed7a5ffffb190ffde479869ecbf52a0a1ea0bdf72535b0071e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62d2703d8f0c3ed7a5ffffb190ffde479869ecbf52a0a1ea0bdf72535b0071e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d2703d8f0c3ed7a5ffffb190ffde479869ecbf52a0a1ea0bdf72535b0071e4", kill_on_drop: false }`
[INFO] [stdout] 62d2703d8f0c3ed7a5ffffb190ffde479869ecbf52a0a1ea0bdf72535b0071e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 552cde626847aaf110c1ccf0091cd05f8585b46dd9d3cdbe254ff024b4c4c9e2
[INFO] running `Command { std: "docker" "start" "-a" "552cde626847aaf110c1ccf0091cd05f8585b46dd9d3cdbe254ff024b4c4c9e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling mlir-sys v210.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mlir-sys v210.0.0 (/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/mlir-sys-309ff82acc8ead0b/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   failed to find correct version (21.x.x) of llvm-config (found 18.1.3)
[INFO] running `Command { std: "docker" "inspect" "552cde626847aaf110c1ccf0091cd05f8585b46dd9d3cdbe254ff024b4c4c9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552cde626847aaf110c1ccf0091cd05f8585b46dd9d3cdbe254ff024b4c4c9e2", kill_on_drop: false }`
[INFO] [stdout] 552cde626847aaf110c1ccf0091cd05f8585b46dd9d3cdbe254ff024b4c4c9e2
