[INFO] fetching crate unsloth-rs-core 0.1.0...
[INFO] testing unsloth-rs-core-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate unsloth-rs-core 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate unsloth-rs-core 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate unsloth-rs-core 0.1.0
[INFO] tweaked toml for crates.io crate unsloth-rs-core 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unsloth-rs-core 0.1.0 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 unsloth-rs-core 0.1.0 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-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] 741eb7476cf29927398f8ca4936762b609d0a590f023bcddb216cb4e3120cb91
[INFO] running `Command { std: "docker" "start" "-a" "741eb7476cf29927398f8ca4936762b609d0a590f023bcddb216cb4e3120cb91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "741eb7476cf29927398f8ca4936762b609d0a590f023bcddb216cb4e3120cb91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741eb7476cf29927398f8ca4936762b609d0a590f023bcddb216cb4e3120cb91", kill_on_drop: false }`
[INFO] [stdout] 741eb7476cf29927398f8ca4936762b609d0a590f023bcddb216cb4e3120cb91
[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] d2be6791f5f8a30101daa2da6dc055f11a7af3e97f1c6c8cd690bcfd67e5e534
[INFO] running `Command { std: "docker" "start" "-a" "d2be6791f5f8a30101daa2da6dc055f11a7af3e97f1c6c8cd690bcfd67e5e534", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling zerocopy-derive v0.8.33
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling target-lexicon v0.13.4
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.3
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling pyo3-build-config v0.24.2
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling dyn-stack v0.13.2
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling dyn-stack v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pulp v0.18.22
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling cudarc v0.16.6
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling safetensors v0.4.5
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr] error: failed to run custom build command for `cudarc v0.16.6`
[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/cudarc-191e92ea1ae78166/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   cargo:rerun-if-env-changed=CUDA_ROOT
[INFO] [stderr]   cargo:rerun-if-env-changed=CUDA_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=CUDA_TOOLKIT_ROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=CUDARC_CUDA_VERSION
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (686) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cudarc-0.16.6/build.rs:98:10:
[INFO] [stderr]   Failed to execute `nvcc`: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5c460227adba - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c460227adba - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c460227adba - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5c460227adba - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5c460228c04a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5c460228c04a - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x5c460227ee62 - std[128c3efe2914e152]::io::default_write_fmt::<std[128c3efe2914e152]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x5c460227ee62 - <std[128c3efe2914e152]::sys::stdio::unix::Stderr as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x5c460226073f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5c460226073f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5c4602276a21 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5c4602276bdb - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5c46022607f8 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5c4602255b69 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5c460226105d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5c460228c73c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5c460228c512 - core[6771d259883166e6]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5c46022481f2 - core::result::Result<T,E>::expect::hf78ba7353018c3b3
[INFO] [stderr]     18:     0x5c460223fd06 - build_script_build::cuda_version_from_build_system::h9a369edd156c5745
[INFO] [stderr]     19:     0x5c46022406f4 - build_script_build::main::hb109e103909c6e24
[INFO] [stderr]     20:     0x5c4602246333 - core::ops::function::FnOnce::call_once::h673b392e182af650
[INFO] [stderr]     21:     0x5c4602245ea6 - std::sys::backtrace::__rust_begin_short_backtrace::h4b4af1f2fc07e810
[INFO] [stderr]     22:     0x5c4602241189 - std::rt::lang_start::{{closure}}::hb638d3d3adfa8f65
[INFO] [stderr]     23:     0x5c4602275c64 - <&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5c4602275c64 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5c4602275c64 - std[128c3efe2914e152]::panicking::catch_unwind::<i32, &dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5c4602275c64 - std[128c3efe2914e152]::panic::catch_unwind::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5c4602275c64 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5c4602275c64 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5c4602275c64 - std[128c3efe2914e152]::panicking::catch_unwind::<isize, std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5c4602275c64 - std[128c3efe2914e152]::panic::catch_unwind::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5c4602275c64 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5c4602241171 - std::rt::lang_start::h451fb40bbf509ac6
[INFO] [stderr]     33:     0x5c46022452a5 - main
[INFO] [stderr]     34:     0x72568c76f1ca - <unknown>
[INFO] [stderr]     35:     0x72568c76f28b - __libc_start_main
[INFO] [stderr]     36:     0x5c460223ea05 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d2be6791f5f8a30101daa2da6dc055f11a7af3e97f1c6c8cd690bcfd67e5e534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2be6791f5f8a30101daa2da6dc055f11a7af3e97f1c6c8cd690bcfd67e5e534", kill_on_drop: false }`
[INFO] [stdout] d2be6791f5f8a30101daa2da6dc055f11a7af3e97f1c6c8cd690bcfd67e5e534
