Ignored profile config for metrics-runtime

[jean-airoldie]

When compiling with the toolchain version 1.35, I get the following warning:

warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
package:   /home/h4xor/forks/metrics/metrics-runtime/Cargo.toml
workspace: /home/h4xor/forks/metrics/Cargo.toml

This is due to the crate metrics-runtime which uses a [profile config].
However it is ignored since only a single profile set can be set per workspace (rust-lang/cargo#3249).

Possible solutions:

• Use this as the profile for the entire workspace
• Use per package profile override (Use a single profile set per workspace rust-lang/cargo#3249 (comment))

Can't really tell which one is better since I don't understand the motivation for this profile config in the first place.

[tobz]

Opened #32 to fix this.

[jean-airoldie]

Closed by 8c4e130.