this derivation will be built:
  /nix/store/l9diy7631mjxw0868kw60s9hs2j572zj-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/l9diy7631mjxw0868kw60s9hs2j572zj-bcachefs-module-7.0.0-27-generic.drv'...