unpacking 'https://github.com/NixOS/nixpkgs/archive/34ab99075ac4f7e40cf037eef32cb1c360bb85e9.tar.gz' into the Git cache...
this derivation will be built:
  /nix/store/hdc9ll1dp7xwf5j5r27c1j0x4ywq6sd1-bcachefs-module-7.1.13-200.fc44.x86_64.drv
building '/nix/store/hdc9ll1dp7xwf5j5r27c1j0x4ywq6sd1-bcachefs-module-7.1.13-200.fc44.x86_64.drv'...