ices/86800.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0601]: `main` function not found in crate `86800`
  --> /home/runner/work/glacier/glacier/ices/86800.rs:39:2
   |
39 | }
   |  ^ consider adding a `main` function to `/home/runner/work/glacier/glacier/ices/86800.rs`

error: unconstrained opaque type
  --> /home/runner/work/glacier/glacier/ices/86800.rs:19:34
   |
19 | type TransactionFuture<'__, O> = impl '__ + Future<Output = TransactionResult<O>>;
   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `TransactionFuture` must be used in combination with a concrete type within the same module

error[E0792]: expected generic lifetime parameter, found `'_`
  --> /home/runner/work/glacier/glacier/ices/86800.rs:27:5
   |
19 | type TransactionFuture<'__, O> = impl '__ + Future<Output = TransactionResult<O>>;
   |                        --- this generic parameter must be used with a generic lifetime parameter
...
27 |     f
   |     ^

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0601, E0792.
For more information about an error, try `rustc --explain E0601`.
==============