chore: use nightly-2021-08-01

Signed-off-by: Gregory Hill <[email protected]>

crates/currency/src/lib.rs

@@ -3,7 +3,7 @@
 #![deny(warnings)]
 #![cfg_attr(test, feature(proc_macro_hygiene))]
 #![cfg_attr(not(feature = "std"), no_std)]
-#![feature(const_fn)]
+#![feature(const_fn_trait_bound)]
 
 #[cfg(test)]
 mod mock;

crates/staking/src/lib.rs

@@ -200,13 +200,13 @@ macro_rules! checked_add_mut {
         <$storage>::mutate($currency, |value| {
             *value = value.checked_add($amount).ok_or(Error::<T>::ArithmeticOverflow)?;
             Ok::<_, Error<T>>(*value)
-        })?;
+        })?
     };
     ($storage:ty, $currency:expr, $account:expr, $amount:expr) => {
         <$storage>::mutate($currency, $account, |value| {
             *value = value.checked_add($amount).ok_or(Error::<T>::ArithmeticOverflow)?;
             Ok::<_, Error<T>>(*value)
-        })?;
+        })?
     };
 }
 
@@ -215,13 +215,13 @@ macro_rules! checked_sub_mut {
         <$storage>::mutate($currency, |value| {
             *value = value.checked_sub($amount).ok_or(Error::<T>::ArithmeticUnderflow)?;
             Ok::<_, Error<T>>(*value)
-        })?;
+        })?
     };
     ($storage:ty, $currency:expr, $account:expr, $amount:expr) => {
         <$storage>::mutate($currency, $account, |value| {
             *value = value.checked_sub($amount).ok_or(Error::<T>::ArithmeticUnderflow)?;
             Ok::<_, Error<T>>(*value)
-        })?;
+        })?
     };
 }
 

rust-toolchain.toml

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2021-03-15"
+channel = "nightly-2021-08-01"
 components = [ "rustfmt", "rls" ]
 targets = [ "wasm32-unknown-unknown" ]