this derivation will be built:
  /nix/store/6666i81bwkxam31qk8phxcgvpvw44grn-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/6666i81bwkxam31qk8phxcgvpvw44grn-bcachefs-module-7.0.0-29-generic.drv'...