this derivation will be built:
  /nix/store/rvj88v7nmk8gmsjgvnb2mybngwy9zp87-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/rvj88v7nmk8gmsjgvnb2mybngwy9zp87-bcachefs-module-7.0.0-30-generic.drv'...