this derivation will be built: /nix/store/yh1rvd4b1zf27dj988myyp90q7s570xp-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/yh1rvd4b1zf27dj988myyp90q7s570xp-bcachefs-module-7.0.0-39-generic.drv'...