cargo update -p reqwest --aggressive

```
Updating async-compression v0.3.0 -> v0.3.2
Updating cc v1.0.50 -> v1.0.52
Updating core-foundation v0.6.4 -> v0.7.0
Updating core-foundation-sys v0.6.2 -> v0.7.0
Updating flate2 v1.0.13 -> v1.0.14
Updating mime_guess v2.0.1 -> v2.0.3
Updating native-tls v0.2.3 -> v0.2.4
Updating openssl v0.10.28 -> v0.10.29
Updating openssl-sys v0.9.54 -> v0.9.55
Updating reqwest v0.10.2 -> v0.10.4
Updating schannel v0.1.17 -> v0.1.18
Updating security-framework v0.3.4 -> v0.4.3
Updating security-framework-sys v0.3.3 -> v0.4.3
Updating smallvec v1.2.0 -> v1.4.0
Updating wasm-bindgen-futures v0.4.8 -> v0.4.12
```

Author: jtgeibel