error[E0599]: no method named `push` found for struct `BTreeSet` in the current scope
  --> $DIR/rustc_confusables_std_cases.rs:6:7
   |
LL |     x.push(1);
   |       ^^^^ method not found in `BTreeSet<_>`
   |
help: you might have meant to use `insert`
   |
LL |     x.insert(1);
   |       ~~~~~~

error[E0599]: no method named `push_back` found for struct `Vec<_>` in the current scope
  --> $DIR/rustc_confusables_std_cases.rs:9:7
   |
LL |     x.push_back(1);
   |       ^^^^^^^^^ method not found in `Vec<_>`
   |
help: you might have meant to use `push`
   |
LL |     x.push(1);
   |       ~~~~

error[E0599]: no method named `push` found for struct `VecDeque` in the current scope
  --> $DIR/rustc_confusables_std_cases.rs:12:7
   |
LL |     x.push(1);
   |       ^^^^ method not found in `VecDeque<_>`
   |
help: you might have meant to use `push_back`
   |
LL |     x.push_back(1);
   |       ~~~~~~~~~

error[E0599]: no method named `length` found for struct `Vec<{integer}>` in the current scope
  --> $DIR/rustc_confusables_std_cases.rs:15:7
   |
LL |     x.length();
   |       ^^^^^^
   |
help: you might have meant to use `len`
   |
LL |     x.len();
   |       ~~~

error[E0599]: no method named `size` found for struct `Vec<{integer}>` in the current scope
  --> $DIR/rustc_confusables_std_cases.rs:17:7
   |
LL |     x.size();
   |       ^^^^
   |
help: there is a method `resize` with a similar name, but with different arguments
  --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
help: you might have meant to use `len`
   |
LL |     x.len();
   |       ~~~

error[E0308]: mismatched types
  --> $DIR/rustc_confusables_std_cases.rs:20:14
   |
LL |     x.append(42);
   |       ------ ^^ expected `&mut Vec<{integer}>`, found integer
   |       |
   |       arguments to this method are incorrect
   |
   = note: expected mutable reference `&mut Vec<{integer}>`
                           found type `{integer}`
note: method defined here
  --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
help: you might have meant to use `push`
   |
LL |     x.push(42);
   |       ~~~~

error[E0308]: mismatched types
  --> $DIR/rustc_confusables_std_cases.rs:22:24
   |
LL |     String::new().push("");
   |                   ---- ^^ expected `char`, found `&str`
   |                   |
   |                   arguments to this method are incorrect
   |
note: method defined here
  --> $SRC_DIR/alloc/src/string.rs:LL:COL
help: you might have meant to use `push_str`
   |
LL |     String::new().push_str("");
   |                   ~~~~~~~~

error[E0599]: no method named `append` found for struct `String` in the current scope
  --> $DIR/rustc_confusables_std_cases.rs:24:19
   |
LL |     String::new().append("");
   |                   ^^^^^^ method not found in `String`
   |
help: you might have meant to use `push_str`
   |
LL |     String::new().push_str("");
   |                   ~~~~~~~~

error: aborting due to 8 previous errors

Some errors have detailed explanations: E0308, E0599.
For more information about an error, try `rustc --explain E0308`.