ices/94822-1.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0658]: language items are subject to change
 --> /home/runner/work/glacier/glacier/ices/94822-1.rs:5:1
  |
5 | #[lang = "sized"]
  | ^^^^^^^^^^^^^^^^^
  |
  = help: add `#![feature(lang_items)]` to the crate attributes to enable

error[E0601]: `main` function not found in crate `94822_1`
 --> /home/runner/work/glacier/glacier/ices/94822-1.rs:7:2
  |
7 | }
  |  ^ consider adding a `main` function to `/home/runner/work/glacier/glacier/ices/94822-1.rs`

error[E0152]: found duplicate lang item `sized`
 --> /home/runner/work/glacier/glacier/ices/94822-1.rs:6:1
  |
6 | trait A {}
  | ^^^^^^^
  |
  = note: the lang item is first defined in crate `core` (which `std` depends on)
  = note: first definition in `core` loaded from /home/runner/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-05898138a596088a.rlib
  = note: second definition in the local crate (`94822_1`)

error[E0277]: the size for values of type `{integer}` cannot be known at compilation time
 --> /home/runner/work/glacier/glacier/ices/94822-1.rs:2:11
  |
2 |  for i in 0..80*25 {
  |           ^^^^^^^^ doesn't have a size known at compile-time
  |
  = help: the trait `Sized` is not implemented for `{integer}`
note: required by a bound in `std::ops::Range`

error[E0277]: the size for values of type `{integer}` cannot be known at compilation time
 --> /home/runner/work/glacier/glacier/ices/94822-1.rs:2:16
  |
2 |  for i in 0..80*25 {
  |                ^ doesn't have a size known at compile-time
  |
  = help: the trait `Sized` is not implemented for `{integer}`

error[E0277]: the size for values of type `std::ops::Range<{integer}>` cannot be known at compilation time
 --> /home/runner/work/glacier/glacier/ices/94822-1.rs:2:11
  |
2 |  for i in 0..80*25 {
  |           ^^^^^^^^ doesn't have a size known at compile-time
  |
  = help: the trait `Sized` is not implemented for `std::ops::Range<{integer}>`
  = note: required for `std::ops::Range<{integer}>` to implement `IntoIterator`

error[E0277]: the size for values of type `{integer}` cannot be known at compilation time
 --> /home/runner/work/glacier/glacier/ices/94822-1.rs:2:2
  |
2 | /  for i in 0..80*25 {
3 | |        || {};
4 | |  }
  | |__^ doesn't have a size known at compile-time
  |
  = help: the trait `Sized` is not implemented for `{integer}`
note: required by a bound in `None`

error[E0277]: the size for values of type `{integer}` cannot be known at compilation time
 --> /home/runner/work/glacier/glacier/ices/94822-1.rs:2:6
  |
2 |  for i in 0..80*25 {
  |      ^ doesn't have a size known at compile-time
  |
  = help: the trait `Sized` is not implemented for `{integer}`
note: required by a bound in `Some`

error[E0308]: mismatched types
 --> /home/runner/work/glacier/glacier/ices/94822-1.rs:1:11
  |
1 | fn a() -> bool {
  |    -      ^^^^ expected `bool`, found `()`
  |    |
  |    implicitly returns `()` as its body has no tail or `return` expression

error: aborting due to 9 previous errors

Some errors have detailed explanations: E0152, E0277, E0308, E0601, E0658.
For more information about an error, try `rustc --explain E0152`.
==============

Author: rustbot