1 error: struct update has no effect, all the fields in the struct have already been specified
2 --> $DIR/needless_update.rs:16:23
4 16 | S { a: 1, b: 1, ..base }; //~ERROR struct update has no effect
7 note: lint level defined here
8 --> $DIR/needless_update.rs:4:9
10 4 | #![deny(needless_update)]
13 error: aborting due to previous error