[INFO] fetching crate plexus-ir 0.3.6...
[INFO] testing plexus-ir-0.3.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate plexus-ir 0.3.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate plexus-ir 0.3.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate plexus-ir 0.3.6
[INFO] tweaked toml for crates.io crate plexus-ir 0.3.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate plexus-ir 0.3.6 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 plexus-ir 0.3.6 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] 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] 8111470921f12bea17bfb69ddbb32369796e1e4f25f7ecd17d0197b20b310e2b
[INFO] running `Command { std: "docker" "start" "-a" "8111470921f12bea17bfb69ddbb32369796e1e4f25f7ecd17d0197b20b310e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8111470921f12bea17bfb69ddbb32369796e1e4f25f7ecd17d0197b20b310e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8111470921f12bea17bfb69ddbb32369796e1e4f25f7ecd17d0197b20b310e2b", kill_on_drop: false }`
[INFO] [stdout] 8111470921f12bea17bfb69ddbb32369796e1e4f25f7ecd17d0197b20b310e2b
[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] b85a3a4e81dc72d7c3597ab3eadcd73a1a0b2269161267d35cdc4d378ac0b501
[INFO] running `Command { std: "docker" "start" "-a" "b85a3a4e81dc72d7c3597ab3eadcd73a1a0b2269161267d35cdc4d378ac0b501", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling jetscii v0.5.3
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling finl_unicode v1.4.0
[INFO] [stderr]    Compiling melior-macro v0.19.4
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr]    Compiling plexus-ir v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling plexus-parser v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling comrak v0.51.0
[INFO] [stderr]    Compiling convert_case v0.11.0
[INFO] [stderr]    Compiling plexus-gql v0.3.6
[INFO] [stderr]    Compiling plexus-serde v0.3.6
[INFO] [stderr]    Compiling caseless v0.2.2
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling tblgen v0.8.1
[INFO] [stderr]    Compiling mlir-sys v210.0.4
[INFO] [stderr] error: failed to run custom build command for `tblgen v0.8.1`
[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/tblgen-8d481ea4a839b3c5/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b85a3a4e81dc72d7c3597ab3eadcd73a1a0b2269161267d35cdc4d378ac0b501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85a3a4e81dc72d7c3597ab3eadcd73a1a0b2269161267d35cdc4d378ac0b501", kill_on_drop: false }`
[INFO] [stdout] b85a3a4e81dc72d7c3597ab3eadcd73a1a0b2269161267d35cdc4d378ac0b501
