error[E0405]: cannot find trait `Add` in this scope --> $DIR/no-implicit-prelude.rs:10:6 | LL | impl Add for Test {} | ^^^ not found in this scope | help: consider importing this trait | LL + use std::ops::Add; | error[E0404]: expected trait, found derive macro `Clone` --> $DIR/no-implicit-prelude.rs:11:6 | LL | impl Clone for Test {} | ^^^^^ not a trait | help: consider importing this trait instead | LL + use std::clone::Clone; | error[E0405]: cannot find trait `Iterator` in this scope --> $DIR/no-implicit-prelude.rs:12:6 | LL | impl Iterator for Test {} | ^^^^^^^^ not found in this scope | help: consider importing this trait | LL + use std::iter::Iterator; | error[E0405]: cannot find trait `ToString` in this scope --> $DIR/no-implicit-prelude.rs:13:6 | LL | impl ToString for Test {} | ^^^^^^^^ not found in this scope | help: consider importing this trait | LL + use std::string::ToString; | error[E0405]: cannot find trait `Writer` in this scope --> $DIR/no-implicit-prelude.rs:14:6 | LL | impl Writer for Test {} | ^^^^^^ not found in this scope error[E0425]: cannot find function `drop` in this scope --> $DIR/no-implicit-prelude.rs:17:5 | LL | drop(2) | ^^^^ not found in this scope | help: consider importing this function | LL + use std::mem::drop; | error: aborting due to 6 previous errors Some errors have detailed explanations: E0404, E0405, E0425. For more information about an error, try `rustc --explain E0404`.