this derivation will be built:
  /nix/store/0qn48z518kkb1vb3l45ycljs0l75pmwd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/0qn48z518kkb1vb3l45ycljs0l75pmwd-bcachefs-module-7.0.0-39-generic.drv'...