this derivation will be built:
  /nix/store/6vzvij040wk4ik4na46s7w8q6akq39ry-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/6vzvij040wk4ik4na46s7w8q6akq39ry-bcachefs-module-7.0.0-30-generic.drv'...