this derivation will be built:
  /nix/store/x8mxm7igr2k8yk08dfg3cq23v1xybb6f-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/x8mxm7igr2k8yk08dfg3cq23v1xybb6f-bcachefs-module-7.0.0-38-generic.drv'...