Toolchain upgrade to nightly-2024-08-31 failed

[github-actions]

Updating Rust toolchain from nightly-2024-08-30 to nightly-2024-08-31 requires source changes.
The failed automated run can be found here.
Please review the changes at https://github.com/rust-lang/rust from rust-lang/rust@0d63418 up to https://github.com/rust-lang/rust/commit/. The log for this commit range is:

[carolynzech]

This doesn't appear to be an issue on our end--the job failed with this error:

info: syncing channel updates for 'nightly-2024-08-31-x86_64-unknown-linux-gnu'
error: no release found for 'nightly-2024-08-31'
info: syncing channel updates for 'nightly-2024-08-31-x86_64-unknown-linux-gnu'
error: no release found for 'nightly-2024-08-31'
info: syncing channel updates for 'nightly-2024-08-31-x86_64-unknown-linux-gnu'
error: no release found for 'nightly-2024-08-31'

Perhaps something broke internally with last night's nightly and it didn't get released. I'll check back tomorrow and see where things stand.

[carolynzech]

Nightly for 8/31 still doesn't exist, but 9/1 does, so going to close this and move to 9/1.