this derivation will be built: /nix/store/pniky91aaj8caqq33qwd5w8q5a4rw9pd-bcachefs-module-7.0.0-28-generic.drv building '/nix/store/pniky91aaj8caqq33qwd5w8q5a4rw9pd-bcachefs-module-7.0.0-28-generic.drv'...