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Enable support for pre-release Rust versions. #1604

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Merged
anthony-gomez-fastly merged 2 commits into from
Dec 19, 2025
Merged

Enable support for pre-release Rust versions. #1604

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d1b0239
Enable support for pre-release Rust versions.
dgohman-fastly Dec 17, 2025
5d3212f
Add a CHANGELOG.md entry.
dgohman-fastly Dec 18, 2025
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
### Breaking:

### Enhancements:
- feat(rust): Allow testing with prerelease Rust versions ([#1604](https://github.com/fastly/cli/pull/1604))

### Bug fixes:

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5 changes: 5 additions & 0 deletions pkg/commands/compute/language_rust.go
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Expand Up @@ -351,6 +351,11 @@ func (r *Rust) toolchainConstraint() (*semver.Version, error) {
return nil, fmt.Errorf("the 'toolchain_constraint' value '%s' (from the config.toml file) is not a valid version constraint", r.config.ToolchainConstraint)
}

// Even though most users shouldn't be using Rust prereleases, it is
// useful for Fastly to be able to test with Rust prereleases, so we
// shouldn't outright prohibit them.
c.IncludePrerelease = true

valid, errs := c.Validate(v)
if !valid {
err = nil
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