this derivation will be built:
  /nix/store/b5r0ysq3a4wp7xanpb4z7fw7px0p1lkh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/b5r0ysq3a4wp7xanpb4z7fw7px0p1lkh-bcachefs-module-7.0.0-39-generic.drv'...