this derivation will be built: /nix/store/5sb82bw3kifg75b5cr2vxm03qn6q47i7-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/5sb82bw3kifg75b5cr2vxm03qn6q47i7-bcachefs-module-7.0.0-39-generic.drv'...