this derivation will be built:
  /nix/store/m6hr9wdxj1nhvll75vvnkjz68hvy0398-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/m6hr9wdxj1nhvll75vvnkjz68hvy0398-bcachefs-module-7.0.0-30-generic.drv'...