Auto merge of #7119 - flip1995:rustup, r=flip1995

Rustup

r? `@ghost`

changelog: none

Author: bors

rust-toolchain

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2021-04-08"
+channel = "nightly-2021-04-22"
 components = ["llvm-tools-preview", "rustc-dev", "rust-src"]

tests/ui/crashes/ice-6251.stderr

@@ -16,8 +16,8 @@ LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: [u8]| x }]> {
    = help: unsized fn params are gated as an unstable feature
 help: function arguments must have a statically known size, borrowed types always have a known size
    |
-LL | fn bug<T>() -> impl Iterator<Item = [(); { |&x: [u8]| x }]> {
-   |                                             ^
+LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: &[u8]| x }]> {
+   |                                                ^
 
 error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
   --> $DIR/ice-6251.rs:4:54

tests/ui/crate_level_checks/entrypoint_recursion.rs

@@ -1,11 +1,11 @@
 // ignore-macos
 // ignore-windows
 
-#![feature(main)]
+#![feature(rustc_attrs)]
 
 #[warn(clippy::main_recursion)]
 #[allow(unconditional_recursion)]
-#[main]
+#[rustc_main]
 fn a() {
     println!("Hello, World!");
     a();

tests/ui/wildcard_enum_match_arm.fixed

@@ -77,7 +77,7 @@ fn main() {
     let error_kind = ErrorKind::NotFound;
     match error_kind {
         ErrorKind::NotFound => {},
-        ErrorKind::PermissionDenied | ErrorKind::ConnectionRefused | ErrorKind::ConnectionReset | ErrorKind::ConnectionAborted | ErrorKind::NotConnected | ErrorKind::AddrInUse | ErrorKind::AddrNotAvailable | ErrorKind::BrokenPipe | ErrorKind::AlreadyExists | ErrorKind::WouldBlock | ErrorKind::InvalidInput | ErrorKind::InvalidData | ErrorKind::TimedOut | ErrorKind::WriteZero | ErrorKind::Interrupted | ErrorKind::Other | ErrorKind::UnexpectedEof | _ => {},
+        ErrorKind::PermissionDenied | ErrorKind::ConnectionRefused | ErrorKind::ConnectionReset | ErrorKind::ConnectionAborted | ErrorKind::NotConnected | ErrorKind::AddrInUse | ErrorKind::AddrNotAvailable | ErrorKind::BrokenPipe | ErrorKind::AlreadyExists | ErrorKind::WouldBlock | ErrorKind::InvalidInput | ErrorKind::InvalidData | ErrorKind::TimedOut | ErrorKind::WriteZero | ErrorKind::Interrupted | ErrorKind::Other | ErrorKind::UnexpectedEof | ErrorKind::Unsupported | _ => {},
     }
     match error_kind {
         ErrorKind::NotFound => {},
@@ -98,6 +98,7 @@ fn main() {
         ErrorKind::Interrupted => {},
         ErrorKind::Other => {},
         ErrorKind::UnexpectedEof => {},
+        ErrorKind::Unsupported => {},
         _ => {},
     }
 }

tests/ui/wildcard_enum_match_arm.rs

@@ -98,6 +98,7 @@ fn main() {
         ErrorKind::Interrupted => {},
         ErrorKind::Other => {},
         ErrorKind::UnexpectedEof => {},
+        ErrorKind::Unsupported => {},
         _ => {},
     }
 }

tests/ui/wildcard_enum_match_arm.stderr

@@ -32,7 +32,7 @@ error: wildcard matches known variants and will also match future added variants
   --> $DIR/wildcard_enum_match_arm.rs:80:9
    |
 LL |         _ => {},
-   |         ^ help: try this: `ErrorKind::PermissionDenied | ErrorKind::ConnectionRefused | ErrorKind::ConnectionReset | ErrorKind::ConnectionAborted | ErrorKind::NotConnected | ErrorKind::AddrInUse | ErrorKind::AddrNotAvailable | ErrorKind::BrokenPipe | ErrorKind::AlreadyExists | ErrorKind::WouldBlock | ErrorKind::InvalidInput | ErrorKind::InvalidData | ErrorKind::TimedOut | ErrorKind::WriteZero | ErrorKind::Interrupted | ErrorKind::Other | ErrorKind::UnexpectedEof | _`
+   |         ^ help: try this: `ErrorKind::PermissionDenied | ErrorKind::ConnectionRefused | ErrorKind::ConnectionReset | ErrorKind::ConnectionAborted | ErrorKind::NotConnected | ErrorKind::AddrInUse | ErrorKind::AddrNotAvailable | ErrorKind::BrokenPipe | ErrorKind::AlreadyExists | ErrorKind::WouldBlock | ErrorKind::InvalidInput | ErrorKind::InvalidData | ErrorKind::TimedOut | ErrorKind::WriteZero | ErrorKind::Interrupted | ErrorKind::Other | ErrorKind::UnexpectedEof | ErrorKind::Unsupported | _`
 
 error: aborting due to 5 previous errors