this derivation will be built:
  /nix/store/3k9wyv1835l999ay7wjfk1arffrmbcdy-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/3k9wyv1835l999ay7wjfk1arffrmbcdy-bcachefs-module-7.0.0-39-generic.drv'...