this derivation will be built:
  /nix/store/sh3xana1w5jfaxq0bh53cqls6wjs93lz-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/sh3xana1w5jfaxq0bh53cqls6wjs93lz-bcachefs-module-7.0.0-14-generic.drv'...