build: define rust-toolchain.toml and point to 'latest' nightly, fix rust crates on it

crates/api/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "api"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 pluralkit_models = { path = "../models" }

crates/api/src/main.rs

@@ -1,5 +1,3 @@
-#![feature(let_chains)]
-
 use auth::{AuthState, INTERNAL_APPID_HEADER, INTERNAL_SYSTEMID_HEADER};
 use axum::{
     body::Body,

crates/command_parser/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "command_parser"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 lazy_static = { workspace = true }

crates/command_parser/src/lib.rs

@@ -1,4 +1,3 @@
-#![feature(let_chains)]
 #![feature(anonymous_lifetime_in_impl_trait)]
 
 pub mod command;

crates/gateway/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "gateway"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 anyhow = { workspace = true }

crates/gateway/src/main.rs

@@ -1,6 +1,5 @@
-#![feature(let_chains)]
+#![feature(duration_constructors_lite)]
 #![feature(if_let_guard)]
-#![feature(duration_constructors)]
 
 use chrono::Timelike;
 use discord::gateway::cluster_config;

crates/gdpr_worker/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "gdpr_worker"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 libpk = { path = "../libpk" }

crates/libpk/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "libpk"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 anyhow = { workspace = true } 
@@ -12,7 +12,7 @@ pk_macros = { path = "../macros" }
 sentry = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
-sqlx = { workspace = true }
+sqlx = { workspace = true, features = ["chrono"] }
 tokio = { workspace = true }
 tracing = { workspace = true }
 tracing-subscriber = { workspace = true}

crates/libpk/src/_config.rs

@@ -148,11 +148,15 @@ lazy_static! {
         // hacks
         if let Ok(var) = std::env::var("NOMAD_ALLOC_INDEX")
             && std::env::var("pluralkit__discord__cluster__total_nodes").is_ok() {
-            std::env::set_var("pluralkit__discord__cluster__node_id", var);
+            unsafe {
+                std::env::set_var("pluralkit__discord__cluster__node_id", var);
+            }
         }
         if let Ok(var) = std::env::var("STATEFULSET_NAME_FOR_INDEX")
             && std::env::var("pluralkit__discord__cluster__total_nodes").is_ok() {
-            std::env::set_var("pluralkit__discord__cluster__node_id", var.split("-").last().unwrap());
+            unsafe {
+                std::env::set_var("pluralkit__discord__cluster__node_id", var.split("-").last().unwrap());
+            }
         }
 
         Arc::new(Config::builder()

crates/libpk/src/lib.rs

@@ -1,4 +1,3 @@
-#![feature(let_chains)]
 use std::net::SocketAddr;
 
 use metrics_exporter_prometheus::PrometheusBuilder;

crates/migrate/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "migrate"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 libpk = { path = "../libpk" }

crates/migrate/src/main.rs

@@ -1,5 +1,3 @@
-#![feature(let_chains)]
-
 use tracing::info;
 
 include!(concat!(env!("OUT_DIR"), "/data.rs"));

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2024-08-20"
+channel = "nightly-2025-08-09"
 components = ["rust-src", "rustfmt"]