these 7 derivations will be built:
  /nix/store/g011rxyqkgq11yzvpgp4q5wiwkii2b9s-builder.pl.drv
  /nix/store/72762vibda40clwip4kpljl7k02ghz4z-python3-3.14.7-env.drv
  /nix/store/cp1f0v7ipm5khhn1f7nqmqlrgqcml51b-closure-info.drv
  /nix/store/khakh052jv1js6wxxkr4y0crhvgn1pax-clan-runtime.drv
  /nix/store/c9p24x847l0vca8f45yvm63q5j6hcw4g-clan-cli-source.drv
  /nix/store/rmx3m20zrqkysmyn78z7l2ag9yhh6bfa-clan-cli.drv
  /nix/store/b3irjy673r7jsmv2b7zy8jvz9wmp1yh8-check-vars.drv
these 17 paths will be fetched (2.6 MiB download, 13.0 MiB unpacked):
  /nix/store/g8ivybzv5vqivnqivgl51kq2r08k60mf-ensure-newer-sources-hook
  /nix/store/m3plvgrsxvifr58dssk15yd3jihs9hl7-install-shell-files
  /nix/store/6km9d4mw66vcs3b5ahd16mv0yhvkagml-pypa-build-hook.sh
  /nix/store/jvhnbby29xq9504w7n9x92fbxz3cb5cl-pypa-install-hook
  /nix/store/38sy7kvsxr4ihq055ifr4mpg22h3x1rg-python-catch-conflicts-hook
  /nix/store/b9i265hz56bpkv6m3s3mrbqi4pbczckr-python-imports-check-hook.sh
  /nix/store/8lkyxzljzgmh17pvj5q1b0m3ip7kyxza-python-namespaces-hook.sh
  /nix/store/9bmzy4cmbd1pzc4avqwra98j3n222akb-python-output-dist-hook
  /nix/store/yd03vybx1z5cjyhf3mcq46kwifrmr63h-python-remove-bin-bytecode-hook
  /nix/store/rvv5pgs332i82z33vsv5w0rr1mc7h7nh-python-remove-tests-dir-hook
  /nix/store/2178ns4chvd31jdkd0g3y4cqvbjqj7hx-python-runtime-deps-check-hook.sh
  /nix/store/n2nmcli8bb7yzpa3lknf02an5vz3mjz4-python3.14-build-1.5.1
  /nix/store/5ar0ic9b3jfbmg52vjf58flgkn27p3vi-python3.14-installer-1.0.1
  /nix/store/ph010v2j8jnd1gsdhppqvnn25l5zb2js-python3.14-pyproject-hooks-1.2.0
  /nix/store/58c366zzhg1mpah9zm8khpqy0cl3c4k8-python3.14-setuptools-83.0.0
  /nix/store/31wv1cbxzxf15w5y9rr1fhl7hx6q55np-python3.14-wheel-0.47.0
  /nix/store/n37qbjpp4rrwcz42yqbgpfgrr7l4wn5x-wrap-python-hook
error: path '/nix/store/xzh2hb6z39jnnx4hf2dahrvrh6xrx83h-check-vars' is not valid
error: Cannot build '/nix/store/b3irjy673r7jsmv2b7zy8jvz9wmp1yh8-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xzh2hb6z39jnnx4hf2dahrvrh6xrx83h-check-vars