this derivation will be built:
  /nix/store/8ycqqvrz0pf27918va9dx5h8r625k6bc-bcachefs-module-7.0.0-28-generic-64k.drv
building '/nix/store/8ycqqvrz0pf27918va9dx5h8r625k6bc-bcachefs-module-7.0.0-28-generic-64k.drv'...