31900b4c13
Update sysinfo to 0.30.8
Fixes a Mac specific issue when using `metrics = true` in `config.toml`.
```config.toml
# Collect information and statistics about the current build and writes it to
# disk. Enabling this or not has no impact on the resulting build output. The
# schema of the file generated by the build metrics feature is unstable, and
# this is not intended to be used during local development.
metrics = true
```
During repeated builds, as the generated `metrics.json` grew, eventually `refresh_cpu()` would be called in quick enough succession (specifically: under 200ms) that a divide by zero would occur, leading to a `NaN` which would not be serialized, then when the `metrics.json` was re-read it would fail to parse.
That error looks like this (collected from Ferrocene's CI):
```
Compiling rustdoc-tool v0.0.0 (/Users/distiller/project/src/tools/rustdoc)
Finished release [optimized] target(s) in 38.37s
thread 'main' panicked at src/utils/metrics.rs:180:21:
serde_json::from_slice::<JsonRoot>(&contents) failed with invalid type: null, expected f64 at line 1 column 9598
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Build completed unsuccessfully in 0:00:40
Exited with code exit status 1
```
Related: https://github.com/GuillaumeGomez/sysinfo/pull/1236
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| .editorconfig | ||
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| Cargo.lock | ||
| Cargo.toml | ||
| CODE_OF_CONDUCT.md | ||
| config.example.toml | ||
| configure | ||
| CONTRIBUTING.md | ||
| COPYRIGHT | ||
| INSTALL.md | ||
| LICENSE-APACHE | ||
| LICENSE-MIT | ||
| README.md | ||
| RELEASES.md | ||
| rust-bors.toml | ||
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The Rust Programming Language
This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.
Note: this README is for users rather than contributors. If you wish to contribute to the compiler, you should read CONTRIBUTING.md instead.
Table of Contents
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Read "Installation" from The Book.
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See CONTRIBUTING.md.
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See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.
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