this derivation will be built:
  /nix/store/mvxij0k12gcsr8xds6g4v50c4fnnswm6-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/mvxij0k12gcsr8xds6g4v50c4fnnswm6-bcachefs-module-7.0.0-29-generic.drv'...