Merge topic 'minor-cleanups'

53f8d3db cargo: explicitly enable serde derive feature
3c72fb20

 cargo: drop unused dependency on serde_derive
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !157

Cargo.toml

@@ -17,11 +17,10 @@ itertools = "~0.7"
 log = "~0.4"
 percent-encoding = "^1.0"
 reqwest = "~0.9"
-serde_derive = "^1.0"
 
 chrono = { version = "~0.4", features = ["serde"] }
 error-chain = ">= 0.9, < 0.11"
-serde = "~1.0"
+serde = { version = "~1.0", features = ["derive"] }
 serde_json = "^1.0"
 
 [features]