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You're exaggerating quite a lot. Biggest I've seen the cargo directory after 3 months of active Rust development was ~17GB.

You can also limit it with an env var. I have capped mine at 10GB.

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I’m at 227GB as I write this.
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Had no nuke the `target` folder a couple of weeks ago, +400 GB ...
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Many rust nightly versions + no clean / sweep / clean-all?
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Just the one version, but lots of test builds in quick succession.
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“Linux System Requirements: 3.2MB [+ 17GB the first day]”
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