this derivation will be built:
  /nix/store/a38i4rix6ff827wpnzfd8pckxyyppz0a-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/a38i4rix6ff827wpnzfd8pckxyyppz0a-bcachefs-module-7.0.0-29-generic.drv'...