this derivation will be built: /nix/store/c3dphp4qcxicwdpjj14rmfql1fg3xji6-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/c3dphp4qcxicwdpjj14rmfql1fg3xji6-bcachefs-module-7.0.0-38-generic.drv'...