Upgrade Rust nightly toolchain to 2025-12-15

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Assessment

Difficulty
1/5
Estimated time
Under an hour
Newbie friendliness
70/100
Issue type
Refactor
Clarity
Clearly specified
Activity status
Stale
Tech stack
rust
Domain
build-system

Research direction

Open rust-toolchain.toml and locate the nightly-2025-05-09 toolchain entry. Update it to nightly-2025-12-15, then verify that the project uses the requested nightly toolchain and that existing code remains compatible. Done means the file contains the new pin without unrelated changes.

Written by the indexing model from the issue text.

Description

Summary

Upgrade the Rust nightly toolchain from nightly-2025-05-09 to nightly-2025-12-15 to incorporate the latest compiler improvements and bug fixes.

Motivation

  • Keep Rust toolchain up-to-date with recent improvements
  • Benefit from compiler optimizations and bug fixes in the past 220 days
  • Maintain compatibility with the latest Rust ecosystem dependencies

Changes

  • Update rust-toolchain.toml: nightly-2025-05-09 → nightly-2025-12-15
  • No breaking changes to existing code expected
Dominant language
Rust
Stars
1.8k
Forks
241
Avg merge
2d 13h
Merged PRs (30d)
22

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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