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Rollup of 11 pull requests #66545
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Rollup of 11 pull requests #66545
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This commit replaces the mirrors base URL contained in the MINGW_URL with a CUSTOM_MINGW=1 environment variable. The mirrors base URL will be fetched instead through the MIRRORS_BASE environment variable, defined in src/ci/shared.sh.
The task was already run just there, so this cleans things up.
CentOS 5 only supports SSLv3 without SNI, and to get newer protocols working we need to download and compile OpenSSL and cURL from our mirror. Because of that, we can't use the CDN, as CloudFront requires TLSv1 with SNI. This commit changes the dist-x86_64-linux image to bypass the CDN for OpenSSL and cURL.
When using an async closure as a value in a place that expects a future, suggest calling the closure. Fix rust-lang#65923.
Also update org names of some books
remove Copy from Iterator as per comment rust-lang#58520 (comment)
Related: rust-lang#66426 This commit adds handling for opaque types during inference variable fallback. Type variables generated from the instantiatino of opaque types now fallback to the opque type itself. Normally, the type variable for an instantiated opaque type is either unified with the concrete type, or with the opaque type itself (e.g when a function returns an opaque type by calling another function). However, it's possible for the type variable to be left completely unconstrained. This can occur in code like this: ```rust pub type Foo = impl Copy; fn produce() -> Option<Foo> { None } ``` Here, we'll instantatiate the `Foo` in `Option<Foo>` to a fresh type variable, but we will never unify it with anything due to the fact that we return a `None`. This results in the error message: `type annotations needed: cannot resolve `_: std::marker::Copy`` pointing at `pub type Foo = impl Copy`. This message is not only confusing, it's incorrect. When an opaque type inference variable is completely unconstrained, we can always fall back to using the opaque type itself. This effectively turns that particular use of the opaque type into a non-defining use, even if it appears in a defining scope.
Because it's the only file that uses it, and removes the need for importing it.
…xcrichton Misc CI improvements This PR contains some misc improvements to our CI configuration: * The environment variables for MinGW builders were greatly simplified, with just `CUSTOM_MINGW=1` to tell the install scripts to install the vendored copy. All the others (`MINGW_URL`, `MINGW_DIR`, `MINGW_ARCHIVE` and `MSYS_BITS`) are detected either from the builder name or the environment. * Collecting CPU stats and running the build were moved into scripts. * Toolstate scripts validation was previously a separate step, ran just when `IMAGE=mingw-check`. This moves the validation code inside the actual image. * Vendored copies are now fetched from https://ci-mirrors.rust-lang.org instead of directly from the bucket. r? @alexcrichton
…-E0594, r=Dylan-DPC Add long error explanation for E0594 Part of rust-lang#61137. r? @Dylan-DPC
…, r=Centril Suggest calling async closure when needed When using an async closure as a value in a place that expects a future, suggest calling the closure. Fix rust-lang#65923.
…andler, r=GuillaumeGomez [doc] Fix the source code highlighting on source comments The code would always forget the previous selection. r? @GuillaumeGomez
…varkor Fix 'type annotations needed' error with opaque types Related: rust-lang#66426 This commit adds handling for opaque types during inference variable fallback. Type variables generated from the instantiation of opaque types now fallback to the opaque type itself. Normally, the type variable for an instantiated opaque type is either unified with the concrete type, or with the opaque type itself (e.g when a function returns an opaque type by calling another function). However, it's possible for the type variable to be left completely unconstrained. This can occur in code like this: ```rust pub type Foo = impl Copy; fn produce() -> Option<Foo> { None } ``` Here, we'll instantatiate the `Foo` in `Option<Foo>` to a fresh type variable, but we will never unify it with anything due to the fact that we return a `None`. This results in the error message: ``` type annotations needed: cannot resolve `_: std::marker::Copy ``` pointing at `pub type Foo = impl Copy`. This message is not only confusing, it's incorrect. When an opaque type inference variable is completely unconstrained, we can always fall back to using the opaque type itself. This effectively turns that particular use of the opaque type into a non-defining use, even if it appears in a defining scope.
Add explanation message for E0641 Part of rust-lang#61137
…astorino Add JohnTitor to rustc-guide toolstate notification list Add JohnTitor to rustc-guide toolstate notification list Also, update org names of some books r? @spastorino
std::error::Chain: remove Copy remove Copy from Iterator as per comment rust-lang#58520 (comment) Tracker: rust-lang#58520
resolve: Give derive helpers highest priority during resolution So they just shadow everything else and don't create ambiguity errors. This matches the old pre-rust-lang#64694 behavior most closely. --- The change doesn't apply to this "compatibility" case ```rust #[trait_helper] // The helper attribute is used before it introduced. // Sadly, compiles on stable, supported via hacks. // I plan to make a compatibility warning for this. #[derive(Trait)] struct S; ``` , such attributes still create ambiguities, but rust-lang#64694 didn't change anything for this case. Fixes rust-lang#66508 Fixes rust-lang#66525
Move the definition of `QueryResult` into `plumbing.rs`. Because it's the only file that uses it, and removes the need for importing it. r? @Centril
Remove compiler_builtins_lib feature from libstd Test if we can close rust-lang#66368 by this patch.
@bors r+ p=11 rollup=never |
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Rollup of 11 pull requests Successful merges: - #66090 (Misc CI improvements) - #66155 (Add long error explanation for E0594) - #66239 (Suggest calling async closure when needed) - #66430 ([doc] Fix the source code highlighting on source comments) - #66431 (Fix 'type annotations needed' error with opaque types) - #66461 (Add explanation message for E0641) - #66493 (Add JohnTitor to rustc-guide toolstate notification list) - #66511 (std::error::Chain: remove Copy) - #66529 (resolve: Give derive helpers highest priority during resolution) - #66536 (Move the definition of `QueryResult` into `plumbing.rs`.) - #66538 (Remove compiler_builtins_lib feature from libstd) Failed merges: r? @ghost
☀️ Test successful - checks-azure |
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Successful merges:
QueryResult
intoplumbing.rs
. #66536 (Move the definition ofQueryResult
intoplumbing.rs
.)Failed merges:
r? @ghost