8a568d9f15
```
error[E0277]: the trait bound `dep_2_reexport::Type: Trait` is not satisfied because the trait comes from a different crate version
--> multiple-dep-versions.rs:7:18
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7 | do_something(Type);
| ^^^^ the trait `Trait` is not implemented for `dep_2_reexport::Type`
|
note: there are multiple different versions of crate `dependency` in the dependency graph
--> /home/gh-estebank/rust/build/x86_64-unknown-linux-gnu/test/run-make/crate-loading/rmake_out/multiple-dep-versions-1.rs:4:1
|
3 | pub struct Type(pub i32);
| --------------- this type implements the required trait
4 | pub trait Trait {
| ^^^^^^^^^^^^^^^ this is the required trait
|
::: multiple-dep-versions.rs:1:1
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1 | extern crate dep_2_reexport;
| ---------------------------- one version of crate `dependency` is used here, as a dependency of crate `foo`
2 | extern crate dependency;
| ------------------------ one version of crate `dependency` is used here, as a direct dependency of the current crate
|
::: /home/gh-estebank/rust/build/x86_64-unknown-linux-gnu/test/run-make/crate-loading/rmake_out/multiple-dep-versions-2.rs:3:1
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3 | pub struct Type;
| --------------- this type doesn't implement the required trait
4 | pub trait Trait {
| --------------- this is the found trait
= note: two types coming from two different versions of the same crate are different types even if they look the same
= help: you can use `cargo tree` to explore your dependency tree
```
The approach to accomplish this is a HACK, and we'd want a better way to do this. I believe that moving E0277 to be a structured diagnostic would help in that regard.
90 lines
3.7 KiB
Rust
90 lines
3.7 KiB
Rust
//@ only-linux
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//@ ignore-wasm32
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//@ ignore-wasm64
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// ignore-tidy-linelength
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use run_make_support::{rust_lib_name, rustc};
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fn main() {
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rustc().input("multiple-dep-versions-1.rs").run();
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rustc().input("multiple-dep-versions-2.rs").extra_filename("2").metadata("2").run();
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rustc()
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.input("multiple-dep-versions-3.rs")
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.extern_("dependency", rust_lib_name("dependency2"))
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.run();
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rustc()
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.input("multiple-dep-versions.rs")
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.extern_("dependency", rust_lib_name("dependency"))
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.extern_("dep_2_reexport", rust_lib_name("foo"))
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.run_fail()
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.assert_stderr_contains(r#"error[E0277]: the trait bound `dep_2_reexport::Type: Trait` is not satisfied because the trait comes from a different crate version
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--> multiple-dep-versions.rs:7:18
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7 | do_something(Type);
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| ^^^^ the trait `Trait` is not implemented for `dep_2_reexport::Type`
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note: there are multiple different versions of crate `dependency` in the dependency graph"#)
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.assert_stderr_contains(r#"
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3 | pub struct Type(pub i32);
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| --------------- this type implements the required trait
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4 | pub trait Trait {
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| ^^^^^^^^^^^^^^^ this is the required trait
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"#)
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.assert_stderr_contains(r#"
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1 | extern crate dep_2_reexport;
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| ---------------------------- one version of crate `dependency` is used here, as a dependency of crate `foo`
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2 | extern crate dependency;
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| ------------------------ one version of crate `dependency` is used here, as a direct dependency of the current crate"#)
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.assert_stderr_contains(r#"
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3 | pub struct Type;
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| --------------- this type doesn't implement the required trait
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4 | pub trait Trait {
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| --------------- this is the found trait
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= note: two types coming from two different versions of the same crate are different types even if they look the same
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= help: you can use `cargo tree` to explore your dependency tree"#)
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.assert_stderr_contains(r#"error[E0599]: no method named `foo` found for struct `dep_2_reexport::Type` in the current scope
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--> multiple-dep-versions.rs:8:10
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8 | Type.foo();
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| ^^^ method not found in `Type`
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note: there are multiple different versions of crate `dependency` in the dependency graph"#)
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.assert_stderr_contains(r#"
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4 | pub trait Trait {
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| ^^^^^^^^^^^^^^^ this is the trait that is needed
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5 | fn foo(&self);
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| -------------- the method is available for `dep_2_reexport::Type` here
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::: multiple-dep-versions.rs:4:18
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4 | use dependency::{Trait, do_something};
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| ----- `Trait` imported here doesn't correspond to the right version of crate `dependency`"#)
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.assert_stderr_contains(r#"
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4 | pub trait Trait {
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| --------------- this is the trait that was imported"#)
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.assert_stderr_contains(r#"
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error[E0599]: no function or associated item named `bar` found for struct `dep_2_reexport::Type` in the current scope
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--> multiple-dep-versions.rs:9:11
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9 | Type::bar();
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| ^^^ function or associated item not found in `Type`
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note: there are multiple different versions of crate `dependency` in the dependency graph"#)
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.assert_stderr_contains(r#"
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4 | pub trait Trait {
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| ^^^^^^^^^^^^^^^ this is the trait that is needed
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5 | fn foo(&self);
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6 | fn bar();
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| --------- the associated function is available for `dep_2_reexport::Type` here
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::: multiple-dep-versions.rs:4:18
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4 | use dependency::{Trait, do_something};
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| ----- `Trait` imported here doesn't correspond to the right version of crate `dependency`"#)
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.assert_stderr_contains(
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r#"
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6 | pub struct OtherType;
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| -------------------- this type doesn't implement the required trait"#);
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}
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