this derivation will be built: /nix/store/3iydg1s9jxl656wk47mwlyc7wxpwybmq-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/3iydg1s9jxl656wk47mwlyc7wxpwybmq-bcachefs-module-7.0.0-38-generic.drv'...