this derivation will be built:
  /nix/store/b2jb1hci2jbb029fzl344kvwy9r9h1vb-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/b2jb1hci2jbb029fzl344kvwy9r9h1vb-bcachefs-module-7.0.0-31-generic.drv'...