this derivation will be built:
  /nix/store/l68kmwhcb4ihs6cb2158jbgysy8xsqwq-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/l68kmwhcb4ihs6cb2158jbgysy8xsqwq-bcachefs-module-7.0.0-30-generic.drv'...