error[E0425]: cannot find value `foo` in this scope --> $DIR/format-args-capture-issue-94010.rs:3:16 | LL | const FOO: i32 = 123; | --------------------- similarly named constant `FOO` defined here LL | println!("{foo:X}"); | ^^^ help: a constant with a similar name exists (notice the capitalization): `FOO` error[E0425]: cannot find value `foo` in this scope --> $DIR/format-args-capture-issue-94010.rs:5:18 | LL | const FOO: i32 = 123; | --------------------- similarly named constant `FOO` defined here ... LL | println!("{:.foo$}", 0); | ^^^ help: a constant with a similar name exists (notice the capitalization): `FOO` error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0425`.