Failes when `[lib]` section included in Cargo.toml

adding
```toml
[lib]
crate-type = ["cdylib", "rlib", "staticlib"]
```
to the Cargo.toml of a crate inside my workspace makes flamegraph unable to recognize the crate as a valid target, it just gives the error
```
Error: crate has no automatically selectable target:
```