this derivation will be built: /nix/store/0h6hrqy54zgknkkp3jfnx0dhqrmzj68y-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/0h6hrqy54zgknkkp3jfnx0dhqrmzj68y-bcachefs-module-7.0.0-29-generic.drv'...