[INFO] cloning repository https://github.com/matteobroketa/flow-gate.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matteobroketa/flow-gate.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteobroketa%2Fflow-gate.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteobroketa%2Fflow-gate.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48b5b785b096be3501d0d2812922427f24e05e30
[INFO] testing matteobroketa/flow-gate.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%2Fmatteobroketa%2Fflow-gate.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/matteobroketa/flow-gate.rs
[INFO] finished tweaking git repo https://github.com/matteobroketa/flow-gate.rs
[INFO] tweaked toml for git repo https://github.com/matteobroketa/flow-gate.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matteobroketa/flow-gate.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/matteobroketa/flow-gate.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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f639689dc856996f296607ed8c6f0bd3ccd9becd369cc1756c0fd1e97d66bd5f
[INFO] running `Command { std: "docker" "start" "-a" "f639689dc856996f296607ed8c6f0bd3ccd9becd369cc1756c0fd1e97d66bd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f639689dc856996f296607ed8c6f0bd3ccd9becd369cc1756c0fd1e97d66bd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f639689dc856996f296607ed8c6f0bd3ccd9becd369cc1756c0fd1e97d66bd5f", kill_on_drop: false }`
[INFO] [stdout] f639689dc856996f296607ed8c6f0bd3ccd9becd369cc1756c0fd1e97d66bd5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7059008bb22ae7aac725d2a1139471f9c57ea0c9a4b4f93218420743949c555b
[INFO] running `Command { std: "docker" "start" "-a" "7059008bb22ae7aac725d2a1139471f9c57ea0c9a4b4f93218420743949c555b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling array-init-cursor v0.2.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling stacker v0.1.23
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling signal-hook v0.4.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling planus v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling ar_archive_writer v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling psm v0.1.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling quick-xml v0.39.2
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling rustls-webpki v0.103.10
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling polars-arrow-format v0.2.1
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling rmp v0.8.15
[INFO] [stderr]    Compiling memmap2 v0.9.10
[INFO] [stderr]    Compiling polars-utils v0.53.0
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.3
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling dyn-stack v0.13.2
[INFO] [stderr]    Compiling rmp-serde v1.3.1
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling argminmax v0.6.3
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling serde_stacker v0.1.14
[INFO] [stderr]    Compiling uuid v1.23.0
[INFO] [stderr]    Compiling polars-buffer v0.53.0
[INFO] [stderr]    Compiling polars-schema v0.53.0
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling polars-arrow v0.53.0
[INFO] [stderr]    Compiling debug_unsafe v0.1.4
[INFO] [stderr]    Compiling atoi_simd v0.17.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling nano-gemm-codegen v0.1.0
[INFO] [stderr]    Compiling ethnum v1.5.2
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling polars-compute v0.53.0
[INFO] [stderr]    Compiling nano-gemm-codegen v0.2.1
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling fast-float2 v0.2.3
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling boxcar v0.2.14
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling pulp v0.22.2
[INFO] [stderr]    Compiling polars-core v0.53.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling ndarray v0.17.2
[INFO] [stderr]    Compiling polars-ops v0.53.0
[INFO] [stderr]    Compiling pulp-wasm-simd-flag v0.1.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling blake3 v1.8.4
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling object_store v0.13.2
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling streaming-decompression v0.1.2
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling polars-parquet-format v0.1.0
[INFO] [stderr]    Compiling now v0.1.3
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling polars-plan v0.53.0
[INFO] [stderr]    Compiling fs4 v0.13.1
[INFO] [stderr]    Compiling gemm-common v0.18.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling recursive-proc-macro-impl v0.1.1
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling nano-gemm-core v0.1.0
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling recursive v0.1.1
[INFO] [stderr]    Compiling gemm-common v0.19.0
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling equator-macro v0.2.1
[INFO] [stderr]    Compiling polars-error v0.53.0
[INFO] [stderr]    Compiling polars-expr v0.53.0
[INFO] [stderr]    Compiling nano-gemm-core v0.2.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling equator v0.2.2
[INFO] [stderr]    Compiling equator v0.4.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]    Compiling nano-gemm-f32 v0.1.0
[INFO] [stderr]    Compiling nano-gemm-c32 v0.1.0
[INFO] [stderr]    Compiling nano-gemm-c64 v0.1.0
[INFO] [stderr]    Compiling nano-gemm-f64 v0.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling generativity v1.1.0
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling nano-gemm-f32 v0.2.1
[INFO] [stderr]    Compiling nano-gemm-f64 v0.2.1
[INFO] [stderr]    Compiling nano-gemm-c32 v0.2.1
[INFO] [stderr]    Compiling nano-gemm-c64 v0.2.1
[INFO] [stderr]    Compiling polars-stream v0.53.0
[INFO] [stderr]    Compiling defer v0.2.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr] error: could not compile `nano-gemm-f64` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name nano_gemm_f64 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nano-gemm-f64-0.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly"))' -C metadata=1dfb2b3366cce48d -C extra-filename=-23ff9885f0bbd1dc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern nano_gemm_core=/opt/rustwide/target/debug/deps/libnano_gemm_core-7bfd3eceda0ae7f0.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nano-gemm-f32` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name nano_gemm_f32 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nano-gemm-f32-0.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly"))' -C metadata=d1c98865b9e0087d -C extra-filename=-8133fe42e794ec7c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern nano_gemm_core=/opt/rustwide/target/debug/deps/libnano_gemm_core-7bfd3eceda0ae7f0.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7059008bb22ae7aac725d2a1139471f9c57ea0c9a4b4f93218420743949c555b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7059008bb22ae7aac725d2a1139471f9c57ea0c9a4b4f93218420743949c555b", kill_on_drop: false }`
[INFO] [stdout] 7059008bb22ae7aac725d2a1139471f9c57ea0c9a4b4f93218420743949c555b
