this derivation will be built: /nix/store/35396vz3x3hrnmymjrr8f0q65ciwz4ri-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/35396vz3x3hrnmymjrr8f0q65ciwz4ri-bcachefs-module-7.0.0-38-generic.drv'...