this derivation will be built: /nix/store/vap4h97q1jzxs342skk3cj91ah1a8rym-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/vap4h97q1jzxs342skk3cj91ah1a8rym-bcachefs-module-7.0.0-29-generic.drv'...