error: this looks like you are swapping elements of `foo` manually
  --> $DIR/swap.rs:21:5
   |
21 | /     let temp = foo[0];
22 | |     foo[0] = foo[1];
23 | |     foo[1] = temp;
   | |_________________^ help: try: `foo.swap(0, 1)`
   |
   = note: `-D clippy::manual-swap` implied by `-D warnings`

error: this looks like you are swapping elements of `foo` manually
  --> $DIR/swap.rs:30:5
   |
30 | /     let temp = foo[0];
31 | |     foo[0] = foo[1];
32 | |     foo[1] = temp;
   | |_________________^ help: try: `foo.swap(0, 1)`

error: this looks like you are swapping elements of `foo` manually
  --> $DIR/swap.rs:39:5
   |
39 | /     let temp = foo[0];
40 | |     foo[0] = foo[1];
41 | |     foo[1] = temp;
   | |_________________^ help: try: `foo.swap(0, 1)`

error: this looks like you are swapping `a` and `b` manually
  --> $DIR/swap.rs:57:7
   |
57 |       ; let t = a;
   |  _______^
58 | |     a = b;
59 | |     b = t;
   | |_________^ help: try: `std::mem::swap(&mut a, &mut b)`
   |
   = note: or maybe you should use `std::mem::replace`?

error: this looks like you are swapping `c.0` and `a` manually
  --> $DIR/swap.rs:66:7
   |
66 |       ; let t = c.0;
   |  _______^
67 | |     c.0 = a;
68 | |     a = t;
   | |_________^ help: try: `std::mem::swap(&mut c.0, &mut a)`
   |
   = note: or maybe you should use `std::mem::replace`?

error: this looks like you are trying to swap `a` and `b`
  --> $DIR/swap.rs:54:5
   |
54 | /     a = b;
55 | |     b = a;
   | |_________^ help: try: `std::mem::swap(&mut a, &mut b)`
   |
   = note: `-D clippy::almost-swapped` implied by `-D warnings`
   = note: or maybe you should use `std::mem::replace`?

error: this looks like you are trying to swap `c.0` and `a`
  --> $DIR/swap.rs:63:5
   |
63 | /     c.0 = a;
64 | |     a = c.0;
   | |___________^ help: try: `std::mem::swap(&mut c.0, &mut a)`
   |
   = note: or maybe you should use `std::mem::replace`?

error: aborting due to 7 previous errors