this derivation will be built: /nix/store/whfx6r59hg9fvhyb4qlnykwngqph4zdx-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/whfx6r59hg9fvhyb4qlnykwngqph4zdx-bcachefs-module-7.0.0-38-generic.drv'...