Rocket JSON isn't contrib anymore. Duh.

Cargo.toml

@@ -8,11 +8,9 @@ edition = "2018"
 [dependencies]
 juniper_rocket = "0.8.0"
 juniper = "0.15.7"
-rocket = "0.5.0-rc.1"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 
-[dependencies.rocket_contrib]
-version = "0.4.10"
-default-features = false
-features = ["json"]
+[dependencies.rocket]
+version = "0.5.0-rc.1"
+features = ["json"]

src/main.rs

@@ -1,5 +1,3 @@
-extern crate rocket;
-
 use rocket::Rocket;
 use model::Database;
 

src/rest.rs

@@ -1,6 +1,6 @@
 use rocket::fairing::AdHoc;
+use rocket::serde::json::Json;
 use rocket::State;
-use rocket_contrib::json::Json;
 use crate::model::{
     Database,
     Person,