this derivation will be built:
  /nix/store/cbr5ip6mv8xhcd73f4iwrikrp95br7a2-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/cbr5ip6mv8xhcd73f4iwrikrp95br7a2-bcachefs-module-7.0.0-39-generic.drv'...