Remove no-longer-existing Rust feature default_free_fn

server/shell.nix

@@ -0,0 +1,9 @@
+# DEVELOPMENT shell environment
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+   nativeBuildInputs = with pkgs.buildPackages; [
+     clang
+  ];
+}
+

server/src/api/mod.rs

@@ -8,7 +8,7 @@ mod tracks;
 pub(crate) mod update;
 
 use std::{
-    default::default,
+    default::Default,
     env, fs,
     net::{IpAddr, Ipv4Addr},
 };
@@ -83,7 +83,7 @@ pub(crate) fn start_server(db: DatabaseConnection) -> Rocket<Build> {
         .configure(Config {
             address: IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)),
             secret_key: SecretKey::derive_from(&get_secret()),
-            ..default()
+            ..Config::default()
         })
         .register("/", catchers![spa_index_redirect])
         .manage(db)

server/src/db/mod.rs

@@ -1,5 +1,4 @@
 use std::{
-    default::default,
     env,
     ffi::{OsStr, OsString},
     fs::File,
@@ -30,7 +29,7 @@ fn get_env_var_or_file<A: AsRef<OsStr>>(key: A) -> Option<String> {
     if let Some(path) = env::var_os(file_key) {
         // open the file and read it
         let mut file = File::open(&path).unwrap_or_else(|_| panic!("no such file at {path:?}"));
-        let mut val: String = default();
+        let mut val = String::new();
         file.read_to_string(&mut val)
             .unwrap_or_else(|_| panic!("reading file at {path:?}"));
         Some(val)

server/src/entities/ticks.rs

@@ -1,6 +1,6 @@
 //! `SeaORM` Entity. Generated by sea-orm-codegen 0.11.3
 
-use std::default::default;
+use std::default::Default;
 
 use chrono::{Datelike, Timelike, Utc};
 use sea_orm::entity::prelude::*;
@@ -60,7 +60,7 @@ impl ActiveModel {
             minute: Set(now.minute().try_into().ok()),
             second: Set(now.second().try_into().ok()),
             has_time_info: Set(Some(1)),
-            ..default()
+            ..Default::default()
         }
     }
     pub(crate) fn on(date: Date, track_id: i32) -> Self {
@@ -80,7 +80,7 @@ impl ActiveModel {
             minute: Set(now.minute().try_into().ok()),
             second: Set(now.second().try_into().ok()),
             has_time_info: Set(Some(1)),
-            ..default()
+            ..Default::default()
         }
     }
 }

server/src/entities/users.rs

@@ -1,6 +1,6 @@
 //! `SeaORM` Entity. Generated by sea-orm-codegen 0.11.3
 
-use std::default::default;
+use std::default::Default;
 
 use bcrypt::*;
 // TODO Add option for argon2 https://docs.rs/argon2/latest/argon2/
@@ -57,7 +57,7 @@ impl ActiveModel {
         Ok(Self {
             name,
             password_hash,
-            ..default()
+            ..Default::default()
         })
     }
 }

server/src/main.rs

@@ -1,4 +1,4 @@
-#![feature(default_free_fn, proc_macro_hygiene, decl_macro, never_type)]
+#![feature(proc_macro_hygiene, decl_macro, never_type)]
 #[macro_use]
 extern crate rocket;
 mod api;