this derivation will be built:
  /nix/store/k6z6i8fw87q1l9yz6g627f5c2qv2l3m4-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/k6z6i8fw87q1l9yz6g627f5c2qv2l3m4-bcachefs-module-7.0.0-30-generic.drv'...