this derivation will be built: /nix/store/h1m23cizf5g2y3pf7c7gyxkifn7plj78-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/h1m23cizf5g2y3pf7c7gyxkifn7plj78-bcachefs-module-7.0.0-31-generic.drv'...