this derivation will be built:
  /nix/store/5q0cb7d470ca7vp09dbl6akfz902rkr6-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/5q0cb7d470ca7vp09dbl6akfz902rkr6-bcachefs-module-7.0.0-28-generic.drv'...