unpacking 'https://github.com/NixOS/nixpkgs/archive/e2587caef70cea85dd97d7daab492899902dbf5d.tar.gz' into the Git cache... this derivation will be built: /nix/store/bkzz6phdl15vm7w24ibmyw4p6am96lf0-bcachefs-module-7.1.5-zen1-1-zen.drv building '/nix/store/bkzz6phdl15vm7w24ibmyw4p6am96lf0-bcachefs-module-7.1.5-zen1-1-zen.drv'...