Fixes from errors in cherry-picked commits

patches/std-shims/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "std-shims"
+version = "0.1.99"
+description = "std-shims which patches to the latest update"
+license = "MIT"
+repository = "https://github.com/serai-dex/serai/tree/develop/patches/std-shims"
+authors = ["Luke Parker <lukeparker5132@gmail.com>"]
+keywords = ["nostd", "no_std", "alloc", "io"]
+edition = "2021"
+rust-version = "1.65"
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[lints]
+workspace = true
+
+[dependencies]
+std-shims = { path = "../../common/std-shims", default-features = false, features = ["alloc"] }
+
+[features]
+std = ["std-shims/std"]

patches/std-shims/src/lib.rs

@@ -0,0 +1,5 @@
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(not(feature = "std"), no_std)]
+
+pub extern crate alloc;
+pub use std_shims::{str, vec, string, collections, io, sync, prelude};