running 1 test
test $DIR/failed-doctest-should-panic-2021.rs - Foo (line 9) ... FAILED

failures:

---- $DIR/failed-doctest-should-panic-2021.rs - Foo (line 9) stdout ----
Test executable succeeded, but it's marked `should_panic`.

failures:
    $DIR/failed-doctest-should-panic-2021.rs - Foo (line 9)

test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME