1 error: `cfg` predicate key must be an identifier
2 --> $DIR/cfg-target-compact-errors.rs:5:14
4 LL | #[cfg(target(o::o))]
7 error[E0565]: literal in `cfg` predicate value must be a string
8 --> $DIR/cfg-target-compact-errors.rs:9:19
10 LL | #[cfg(target(os = 8))]
13 error[E0537]: invalid predicate `target_pointer`
14 --> $DIR/cfg-target-compact-errors.rs:13:28
16 LL | #[cfg(target(os = "linux", pointer(width = "64")))]
17 | ^^^^^^^^^^^^^^^^^^^^^
19 error: aborting due to 3 previous errors
21 Some errors have detailed explanations: E0537, E0565.
22 For more information about an error, try `rustc --explain E0537`.