Remove substring dep

Cargo.lock

@@ -305,7 +305,6 @@ dependencies = [
  "serde",
  "serde_json",
  "structopt",
- "substring",
  "tokio",
 ]
 
@@ -941,15 +940,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "substring"
-version = "1.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42ee6433ecef213b2e72f587ef64a2f5943e7cd16fbd82dbe8bc07486c534c86"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "syn"
 version = "1.0.81"

Cargo.toml

@@ -11,6 +11,5 @@ console = "0.15.0"
 reqwest = { version = "0.11", features = ["json"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-substring = "1.4.5"
 structopt = "0.3"
 tokio = { version = "1", features = ["full"] }

src/main.rs

@@ -2,7 +2,6 @@ use console::style;
 use serde::{Deserialize, Serialize};
 use std::path::PathBuf;
 use structopt::StructOpt;
-use substring::Substring;
 
 // TODO use ColoredHelp by default?
 #[derive(StructOpt, Debug)]
@@ -208,7 +207,7 @@ async fn select_from_results<'a>(
 async fn fetch_mod_info(config: &Config, mod_result: &ModResult) -> anyhow::Result<ModInfo> {
     let client = reqwest::Client::new();
     let mod_id = &mod_result.mod_id;
-    let mod_id = mod_id.substring(6, mod_id.len()); // Remove "local-" prefix
+    let mod_id = mod_id[6..].to_owned(); // Remove "local-" prefix
     let url = format!(
         "https://{}/api/v1/mod/{}",
         config.upstream.server_address, mod_id