error[E0658]: attributes on expressions are experimental
  --> $DIR/deep-multilevel-tuple.rs:8:13
   |
LL |     let c = #[rustc_capture_analysis]
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
   = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable

error: First Pass analysis includes:
  --> $DIR/deep-multilevel-tuple.rs:11:5
   |
LL | /     || {
LL | |
LL | |
LL | |         let x = &t.0.0.0;
...  |
LL | |
LL | |     };
   | |_____^
   |
note: Capturing t[(0, 0),(0, 0),(0, 0)] -> ImmBorrow
  --> $DIR/deep-multilevel-tuple.rs:14:18
   |
LL |         let x = &t.0.0.0;
   |                  ^^^^^^^
note: Capturing t[(1, 0),(1, 0),(1, 0)] -> MutBorrow
  --> $DIR/deep-multilevel-tuple.rs:16:9
   |
LL |         t.1.1.1 = 9;
   |         ^^^^^^^
note: Capturing t[] -> ImmBorrow
  --> $DIR/deep-multilevel-tuple.rs:19:26
   |
LL |         println!("{:?}", t);
   |                          ^

error: Min Capture analysis includes:
  --> $DIR/deep-multilevel-tuple.rs:11:5
   |
LL | /     || {
LL | |
LL | |
LL | |         let x = &t.0.0.0;
...  |
LL | |
LL | |     };
   | |_____^
   |
note: Min Capture t[] -> MutBorrow
  --> $DIR/deep-multilevel-tuple.rs:16:9
   |
LL |         t.1.1.1 = 9;
   |         ^^^^^^^ t[] captured as MutBorrow here
...
LL |         println!("{:?}", t);
   |                          ^ t[] used here

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0658`.