this derivation will be built:
  /nix/store/aggqzry4xh0m7hyvr06yjpa4awq7129f-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/aggqzry4xh0m7hyvr06yjpa4awq7129f-bcachefs-module-7.0.0-39-generic.drv'...