| error[E0425]: cannot find value `rust` in this scope | 
 |   --> $DIR/track.rs:LL:CC | 
 |    | | 
 | LL |     break rust | 
 |    |           ^^^^ not found in this scope | 
 |    | | 
 |    = note: -Ztrack-diagnostics: created at compiler/rustc_resolve/src/late/diagnostics.rs:LL:CC | 
 |  | 
 | error[E0268]: `break` outside of a loop or labeled block | 
 |   --> $DIR/track.rs:LL:CC | 
 |    | | 
 | LL |     break rust | 
 |    |     ^^^^^^^^^^ cannot `break` outside of a loop or labeled block | 
 |    | | 
 |    = note: -Ztrack-diagnostics: created at compiler/rustc_hir_typeck/src/loops.rs:LL:CC | 
 |  | 
 | error: internal compiler error: It looks like you're trying to break rust; would you like some ICE? | 
 |   --> $DIR/track.rs:LL:CC | 
 |    | | 
 | LL |     break rust | 
 |    |     ^^^^^^^^^^ | 
 |    | | 
 |    = note: -Ztrack-diagnostics: created at compiler/rustc_hir_typeck/src/lib.rs:LL:CC | 
 |    = note: the compiler expectedly panicked. this is a feature. | 
 |    = note: we would appreciate a joke overview: https://github.com/rust-lang/rust/issues/43162#issuecomment-320764675 | 
 |    = note: rustc $VERSION running on $TARGET | 
 |    = note: compiler flags: ... -Z ui-testing ... -Z track-diagnostics | 
 |  | 
 |  | 
 | thread 'rustc' ($TID) panicked at compiler/rustc_hir_typeck/src/lib.rs:LL:CC: | 
 | Box<dyn Any> | 
 | note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace | 
 |  | 
 | note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md | 
 |  | 
 | note: please make sure that you have updated to the latest nightly | 
 |  | 
 | note: rustc $VERSION running on $TARGET | 
 |  | 
 | note: compiler flags: ... -Z ui-testing ... -Z track-diagnostics | 
 |  | 
 | query stack during panic: | 
 | #0 [typeck] type-checking `main` | 
 | #1 [analysis] running analysis passes on this crate | 
 | end of query stack | 
 | error: aborting due to 3 previous errors | 
 |  | 
 | Some errors have detailed explanations: E0268, E0425. | 
 | For more information about an error, try `rustc --explain E0268`. |