1 error: emplacement syntax is obsolete (for now, anyway)
2 --> $DIR/placement-syntax.rs:13:8
7 = note: for more information, see <https://github.com/rust-lang/rust/issues/27779#issuecomment-378416911>
8 help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
13 error: aborting due to previous error