warning: unknown setting 'eval-cores'
warning: unknown setting 'lazy-trees'
this derivation will be built:
  /nix/store/9944qv0p7bfbck9w1scvad7x9xrknpbz-lint-0.1.0.drv
error: builder for '/nix/store/9944qv0p7bfbck9w1scvad7x9xrknpbz-lint-0.1.0.drv' failed to produce output path for output 'out' at "/nix/store/9944qv0p7bfbck9w1scvad7x9xrknpbz-lint-0.1.0.drv.chroot/root/nix/store/2n3yrc97bkrfigkyibs11yz038ln94p2-lint-0.1.0"