these 3 derivations will be built:
  /nix/store/byg9350xhiga8363xnjn2j69wg6i0fdd-source.drv
  /nix/store/735yibvd3izxadrymnm1n37k7421ngma-spec-kit-1.0.13.drv
  /nix/store/czb1jq3zibrhy6kz50i7g1k4n6kavg6y-check-spec-kit.drv