this derivation will be built:
  /nix/store/x3vas7s5q7b3p4lvdj6qa0rfz9qs3p52-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/x3vas7s5q7b3p4lvdj6qa0rfz9qs3p52-bcachefs-module-7.0.0-38-generic.drv'...