this derivation will be built: /nix/store/0yh9cq42vmjmf2p7am9p7y8f86zvrf4y-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/0yh9cq42vmjmf2p7am9p7y8f86zvrf4y-bcachefs-module-7.0.0-38-generic.drv'...