this derivation will be built:
  /nix/store/v3kh6sjr6yrbba88a926r1ygzx84194k-bcachefs-module-7.0.0-31-generic-64k.drv
building '/nix/store/v3kh6sjr6yrbba88a926r1ygzx84194k-bcachefs-module-7.0.0-31-generic-64k.drv'...