this derivation will be built:
  /nix/store/ay1y7hnqkgb2iwhjjjbkfv36wj7p4vga-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/ay1y7hnqkgb2iwhjjjbkfv36wj7p4vga-bcachefs-module-7.0.0-31-generic.drv'...