this derivation will be built:
  /nix/store/4vkzjq1b45z0mgp90s5g4csjrv0xc64l-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/4vkzjq1b45z0mgp90s5g4csjrv0xc64l-bcachefs-module-7.0.0-31-generic.drv'...