Incorrect "no builds" badge shown for complex version string #395
Description
We have a crate that has a version string 0.1.0+4.1, when linking to the docs.rs badge for it it shows up as "no build" when using this string: https://docs.rs/physx-sys/badge.svg.
Although the actual link works and goes to the correct built documentation for that specific crate https://docs.rs/physx-sys/0.1.0+4.1/physx_sys/.
Looks like there may be some specific badge picture generation error for complex version strings, maybe it tries to find version just 0.1.0, which doesn't exist, in the picture selection instead of the full 0.1.0+4.1. While the page link itself uses the correct one.
Cargo itself when one references a crate with such a more complex version string does only use the first semver portion (MAJOR.MINOR.PATCH) and gives a warning if one specifies the rest (which it ignores).