unpacking 'https://github.com/NixOS/nixpkgs/archive/d2f67949798825fe853f7c5d0492b8bf016d3f88.tar.gz' into the Git cache...
this derivation will be built:
  /nix/store/nwklvcqn1bpca2l86z8pkz1b8h6lal4a-bcachefs-module-7.1.12-200.fc44.x86_64.drv
building '/nix/store/nwklvcqn1bpca2l86z8pkz1b8h6lal4a-bcachefs-module-7.1.12-200.fc44.x86_64.drv'...