this derivation will be built:
  /nix/store/37dq67xfn50j5mnkmfswy0h0fvr0idxp-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/37dq67xfn50j5mnkmfswy0h0fvr0idxp-bcachefs-module-7.0.0-31-generic.drv'...