this derivation will be built:
  /nix/store/b2c6khxpaxmv893v4yzbvj8gcxf7h81b-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/b2c6khxpaxmv893v4yzbvj8gcxf7h81b-bcachefs-module-7.0.0-39-generic.drv'...