these 3 derivations will be built:
  /nix/store/7zv6ic9xpzbjmf2csvsi292hdpckh8zr-rand-0.10.2.drv
  /nix/store/w31vnfvk4fjg6q0fskwc432mbzb9p64r-cargo-vendor-dir.drv
  /nix/store/bpisb6nigscka0npwzz4mhc2rsi866hq-fast-nix-gc-0.1.0.drv
these 3 paths will be fetched (117.1 KiB download, 488.5 KiB unpacked):
  /nix/store/9h20pqvcz8zgfi6plaa83yxjlwh4cbz2-chacha20-0.10.0
  /nix/store/9zqrhd1plrw3cdnn1bkyn4agpa0rakm4-log-0.4.33
  /nix/store/lj0cg2hgh6wf5l89x1rfjfw674f8m0a0-rand_core-0.10.1
error: Cannot build '/nix/store/bpisb6nigscka0npwzz4mhc2rsi866hq-fast-nix-gc-0.1.0.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/7g7zvrj6zhx3ng445z79rnwlb67v9vm0-fast-nix-gc-0.1.0
       Last 25 log lines:
       > [INFO ] 1 unknown paths on disk not in DB
       > [INFO ] deleting garbage...
       >
       > thread 'main' (3950) panicked at /build/cargo-vendor-dir/rayon-core-1.13.0/src/registry.rs:171:10:
       > The global thread pool has not been initialized.: ThreadPoolBuildError { kind: IOError(Os { code: 11, kind: WouldBlock, message: "Resource temporarily unavailable" }) }
       > note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
       >
       >
       >
       > failures:
       >     gc_deletes_drv_when_output_deriver_is_unset
       >     gc_deletes_non_utf8_store_entry
       >     gc_deletes_readonly_paths
       >     gc_deletes_unreferenced_paths
       >     gc_drops_partial_temp_root
       >     gc_handles_self_references
       >     gc_ignores_invalid_store_basenames
       >     gc_keeps_ca_deriver_via_deriver_field_not_build_trace
       >     gc_keeps_ca_output_via_build_trace
       >     gc_keeps_indirect_auto_root
       >     gc_keeps_lock_file_of_active_build
       >
       > test result: FAILED. 34 passed; 11 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.50s
       >
       > error: test failed, to rerun pass `-p fast-nix-gc --test integration`
       For full logs, run:
         nix log /nix/store/bpisb6nigscka0npwzz4mhc2rsi866hq-fast-nix-gc-0.1.0.drv