warning: unexpected `cfg` condition name: `target_architecture`
  --> $DIR/compact-names.rs:12:28
   |
LL | #[cfg(target(os = "linux", architecture = "arm"))]
   |                            ^^^^^^^^^^^^^^^^^^^^
   |
   = help: to expect this configuration use `--check-cfg=cfg(target_architecture, values("arm"))`
   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
   = note: `#[warn(unexpected_cfgs)]` on by default

warning: 1 warning emitted