unpacking 'https://github.com/NixOS/nixpkgs/archive/151fa4e8ddfdd8dd25d945ad94ed54a13de9f6e4.tar.gz' into the Git cache...
this derivation will be built:
  /nix/store/7jv8vdjrjglbbpn6q2ncq2fjzndaa9wj-bcachefs-module-7.2.9-zen1-1-zen.drv
building '/nix/store/7jv8vdjrjglbbpn6q2ncq2fjzndaa9wj-bcachefs-module-7.2.9-zen1-1-zen.drv'...