Auto merge of #186 - zofrex:fix-toml, r=frewsxcv
Make Cargo.toml compatible with TOML spec
Hello!
I think the Cargo.toml for this crate may not be strictly compliant with the TOML specification - I'm not certain, but it's blowing up in pytoml and my reading of the spec sides with pytoml.
The relevant part of the Cargo.toml file:
```
[[test]] name = "format"
```
And the [TOML spec on tables](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md#table):
> They appear in square brackets on a line by themselves
So I think pytoml is right to object here, but I'm fairly new to TOML so please let me know if I'm mis-interpreting and I'll go fix pytoml instead :)
The incompatibility with pytoml is an issue if you are using cargo-bootstrap, and I've tested that my proposed fix here fixes dhuseby/cargo-bootstrap#13
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