[INFO] cloning repository https://github.com/gzz2000/mt-kahypar-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gzz2000/mt-kahypar-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzz2000%2Fmt-kahypar-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzz2000%2Fmt-kahypar-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d5f97c9c6c4caf8c3473dcbffd895be31865c4e
[INFO] testing gzz2000/mt-kahypar-rs against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzz2000%2Fmt-kahypar-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gzz2000/mt-kahypar-rs
[INFO] finished tweaking git repo https://github.com/gzz2000/mt-kahypar-rs
[INFO] tweaked toml for git repo https://github.com/gzz2000/mt-kahypar-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gzz2000/mt-kahypar-rs 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 git repo https://github.com/gzz2000/mt-kahypar-rs 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9146b4a159b1f947e0acda228d4e55fd1a13d761a7d29c66c8ef74fe0700f6e4
[INFO] running `Command { std: "docker" "start" "-a" "9146b4a159b1f947e0acda228d4e55fd1a13d761a7d29c66c8ef74fe0700f6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9146b4a159b1f947e0acda228d4e55fd1a13d761a7d29c66c8ef74fe0700f6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9146b4a159b1f947e0acda228d4e55fd1a13d761a7d29c66c8ef74fe0700f6e4", kill_on_drop: false }`
[INFO] [stdout] 9146b4a159b1f947e0acda228d4e55fd1a13d761a7d29c66c8ef74fe0700f6e4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f52db13b4184940dd9d54b8dc5ee9834b6415ff45064dc140d6084c49736ead
[INFO] running `Command { std: "docker" "start" "-a" "8f52db13b4184940dd9d54b8dc5ee9834b6415ff45064dc140d6084c49736ead", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling cc v1.2.26
[INFO] [stderr]    Compiling mt-kahypar v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: mt-kahypar@0.2.0: cc1plus: fatal error: mt-kahypar-sc/lib/mtkahypar.cpp: No such file or directory
[INFO] [stderr] warning: mt-kahypar@0.2.0: compilation terminated.
[INFO] [stderr] error: failed to run custom build command for `mt-kahypar v0.2.0 (/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/mt-kahypar-53327fb671be1953/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Building mt-kahypar-sc
[INFO] [stderr]   cargo:rerun-if-changed=mt-kahypar-sc
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/debug/build/mt-kahypar-0650d50bf2fb88e9/out)
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64-unknown-linux-gnu
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64_unknown_linux_gnu
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CXX
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX
[INFO] [stderr]   CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   RUSTC_WRAPPER = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CXXFLAGS
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=warn)
[INFO] [stderr]   cargo:warning=cc1plus: fatal error: mt-kahypar-sc/lib/mtkahypar.cpp: No such file or directory
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-m64" "-I" "mt-kahypar-sc/external_tools/boost_kahypar" "-I" "mt-kahypar-sc/external_tools/tbb_kahypar/oneTBB/include" "-I" "mt-kahypar-sc" "-I" "mt-kahypar-sc/external_tools/kahypar-shared-resources" "-I" "mt-kahypar-sc/external_tools/growt" "-I" "mt-kahypar-sc/external_tools/WHFC" "-Wall" "-Wextra" "-std=c++17" "-Wno-unused-function" "-DMT_KAHYPAR_LIBRARY_MODE" "-DKAHYPAR_DISABLE_HWLOC" "-DKAHYPAR_ENABLE_LARGE_K_PARTITIONING_FEATURES" "-DKAHYPAR_ENABLE_HIGHEST_QUALITY_FEATURES" "-DKAHYPAR_ENABLE_GRAPH_PARTITIONING_FEATURES" "-DKAHYPAR_ENABLE_SOED_METRIC" "-DKAHYPAR_ENABLE_STEINER_TREE_METRIC" "-o" "/opt/rustwide/target/debug/build/mt-kahypar-0650d50bf2fb88e9/out/4e1bcffd007001af-mtkahypar.o" "-c" "mt-kahypar-sc/lib/mtkahypar.cpp"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "8f52db13b4184940dd9d54b8dc5ee9834b6415ff45064dc140d6084c49736ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f52db13b4184940dd9d54b8dc5ee9834b6415ff45064dc140d6084c49736ead", kill_on_drop: false }`
[INFO] [stdout] 8f52db13b4184940dd9d54b8dc5ee9834b6415ff45064dc140d6084c49736ead