this derivation will be built:
  /nix/store/mbs2kha25ybs2zk48f5f063pvilimw1n-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/mbs2kha25ybs2zk48f5f063pvilimw1n-bcachefs-module-7.0.0-39-generic.drv'...