error[E0275]: overflow evaluating the requirement `Bar>>>>>>: Foo` --> $DIR/E0275.rs:6:33 | LL | impl Foo for T where Bar: Foo {} | ^^^ | = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`E0275`) note: required for `Bar>>>>>>>>>>>>` to implement `Foo` --> $DIR/E0275.rs:6:9 | LL | impl Foo for T where Bar: Foo {} | ^^^ ^ --- unsatisfied trait bound introduced here = note: 126 redundant requirements hidden = note: required for `Bar` to implement `Foo` = note: the full name for the type has been written to '$TEST_BUILD_DIR/E0275.long-type-$LONG_TYPE_HASH.txt' = note: consider using `--verbose` to print the full type name to the console error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0275`.