this derivation will be built: /nix/store/hm5dz9vz180d184chrp7dvg82bx7c3l5-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/hm5dz9vz180d184chrp7dvg82bx7c3l5-bcachefs-module-7.0.0-38-generic.drv'...