9b318d2e93
Detect multiple crate versions on method not found When a type comes indirectly from one crate version but the imported trait comes from a separate crate version, the called method won't be found. We now show additional context: ``` error[E0599]: no method named `foo` found for struct `dep_2_reexport::Type` in the current scope --> multiple-dep-versions.rs:8:10 | 8 | Type.foo(); | ^^^ method not found in `Type` | note: there are multiple different versions of crate `dependency` in the dependency graph --> multiple-dep-versions.rs:4:32 | 4 | use dependency::{do_something, Trait}; | ^^^^^ `dependency` imported here doesn't correspond to the right crate version | ::: ~/rust/build/x86_64-unknown-linux-gnu/test/run-make/crate-loading/rmake_out/multiple-dep-versions-1.rs:4:1 | 4 | pub trait Trait { | --------------- this is the trait that was imported | ::: ~/rust/build/x86_64-unknown-linux-gnu/test/run-make/crate-loading/rmake_out/multiple-dep-versions-2.rs:4:1 | 4 | pub trait Trait { | --------------- this is the trait that is needed 5 | fn foo(&self); | --- the method is available for `dep_2_reexport::Type` here ``` Fix #128569, fix #110926, fix #109161, fix #81659, fix #51458, fix #32611. Follow up to #124944. |
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This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.
Why Rust?
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Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrate with other languages.
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Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.
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