this derivation will be built:
  /nix/store/imnfvm7x928w2lyxr2w1sb756rh6j4md-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/imnfvm7x928w2lyxr2w1sb756rh6j4md-bcachefs-module-7.0.0-31-generic.drv'...