this derivation will be built:
  /nix/store/lc1lfinbnjw01gq5p87j4xhv69jkaqg5-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/lc1lfinbnjw01gq5p87j4xhv69jkaqg5-bcachefs-module-7.0.0-38-generic.drv'...