this derivation will be built:
  /nix/store/pb709fakx9aaqa6j6g972wm1m3lrybbd-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/pb709fakx9aaqa6j6g972wm1m3lrybbd-bcachefs-module-7.0.0-38-generic.drv'...