this derivation will be built:
  /nix/store/6r85mmrlx0w2h53f9dv2cs8bvryq5srm-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6r85mmrlx0w2h53f9dv2cs8bvryq5srm-bcachefs-module-7.0.0-38-generic.drv'...