this derivation will be built:
  /nix/store/xpa3812l5kq17bl3gi9bhcvl60yy8jii-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/xpa3812l5kq17bl3gi9bhcvl60yy8jii-bcachefs-module-7.0.0-39-generic.drv'...