this derivation will be built:
  /nix/store/m84rk5bfshqcz0nl269x905p71hbq9yn-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/m84rk5bfshqcz0nl269x905p71hbq9yn-bcachefs-module-7.0.0-31-generic.drv'...