this derivation will be built:
  /nix/store/9axkplqpmgff74a6dwjcjmikj0ijmild-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/9axkplqpmgff74a6dwjcjmikj0ijmild-bcachefs-module-7.0.0-29-generic.drv'...