From 563db4245b5373794be8e06ea878f81661888fa0 Mon Sep 17 00:00:00 2001
From: Esteban Kuber <esteban@kuber.com.ar>
Date: Tue, 12 Oct 2021 14:18:13 +0000
Subject: Do not mention associated items when they introduce an obligation

---
 src/test/ui/try-trait/bad-interconversion.stderr   | 40 ----------------------
 src/test/ui/try-trait/option-to-result.stderr      | 10 ------
 .../ui/try-trait/try-on-option-diagnostics.stderr  | 20 -----------
 src/test/ui/try-trait/try-on-option.stderr         | 10 ------
 src/test/ui/try-trait/try-operator-on-main.stderr  | 20 -----------
 5 files changed, 100 deletions(-)

(limited to 'src/test/ui/try-trait')

diff --git a/src/test/ui/try-trait/bad-interconversion.stderr b/src/test/ui/try-trait/bad-interconversion.stderr
index 5cecf9128bb..80c5e6f529c 100644
--- a/src/test/ui/try-trait/bad-interconversion.stderr
+++ b/src/test/ui/try-trait/bad-interconversion.stderr
@@ -11,11 +11,6 @@ LL |     Ok(Err(123_i32)?)
              <u8 as From<NonZeroU8>>
              <u8 as From<bool>>
    = note: required because of the requirements on the impl of `FromResidual<Result<Infallible, i32>>` for `Result<u64, u8>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
   --> $DIR/bad-interconversion.rs:11:12
@@ -29,11 +24,6 @@ LL | | }
    | |_- this function returns a `Result`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<u64, String>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used on `Result`s in a function that returns `Result`
   --> $DIR/bad-interconversion.rs:17:31
@@ -46,11 +36,6 @@ LL | | }
    | |_- this function returns a `Result`
    |
    = help: the trait `FromResidual<ControlFlow<{integer}, Infallible>>` is not implemented for `Result<u64, String>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used on `Option`s, not `Result`s, in a function that returns `Option`
   --> $DIR/bad-interconversion.rs:22:22
@@ -63,11 +48,6 @@ LL | | }
    | |_- this function returns an `Option`
    |
    = help: the trait `FromResidual<Result<Infallible, &str>>` is not implemented for `Option<u16>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used on `Option`s in a function that returns `Option`
   --> $DIR/bad-interconversion.rs:27:33
@@ -80,11 +60,6 @@ LL | | }
    | |_- this function returns an `Option`
    |
    = help: the trait `FromResidual<ControlFlow<{integer}, Infallible>>` is not implemented for `Option<u64>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used on `ControlFlow`s in a function that returns `ControlFlow`
   --> $DIR/bad-interconversion.rs:32:39
@@ -97,11 +72,6 @@ LL | | }
    | |_- this function returns a `ControlFlow`
    |
    = help: the trait `FromResidual<Result<Infallible, &str>>` is not implemented for `ControlFlow<String>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used on `ControlFlow`s in a function that returns `ControlFlow`
   --> $DIR/bad-interconversion.rs:37:12
@@ -115,11 +85,6 @@ LL | | }
    | |_- this function returns a `ControlFlow`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `ControlFlow<u64>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator in a function that returns `ControlFlow<B, _>` can only be used on other `ControlFlow<B, _>`s (with the same Break type)
   --> $DIR/bad-interconversion.rs:43:29
@@ -134,11 +99,6 @@ LL | | }
    |
    = help: the trait `FromResidual<ControlFlow<u8, Infallible>>` is not implemented for `ControlFlow<i64>`
    = note: unlike `Result`, there's no `From`-conversion performed for `ControlFlow`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 8 previous errors
 
diff --git a/src/test/ui/try-trait/option-to-result.stderr b/src/test/ui/try-trait/option-to-result.stderr
index f89813e729f..aadfbf61f28 100644
--- a/src/test/ui/try-trait/option-to-result.stderr
+++ b/src/test/ui/try-trait/option-to-result.stderr
@@ -10,11 +10,6 @@ LL | | }
    | |_- this function returns a `Result`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<(), ()>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used on `Option`s, not `Result`s, in a function that returns `Option`
   --> $DIR/option-to-result.rs:11:6
@@ -28,11 +23,6 @@ LL | | }
    | |_- this function returns an `Option`
    |
    = help: the trait `FromResidual<Result<Infallible, i32>>` is not implemented for `Option<i32>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/try-trait/try-on-option-diagnostics.stderr b/src/test/ui/try-trait/try-on-option-diagnostics.stderr
index bb65aae561f..a6badd19038 100644
--- a/src/test/ui/try-trait/try-on-option-diagnostics.stderr
+++ b/src/test/ui/try-trait/try-on-option-diagnostics.stderr
@@ -10,11 +10,6 @@ LL | | }
    | |_- this function should return `Result` or `Option` to accept `?`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `u32`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `FromResidual`)
   --> $DIR/try-on-option-diagnostics.rs:14:10
@@ -29,11 +24,6 @@ LL | |     };
    | |_____- this function should return `Result` or `Option` to accept `?`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `{integer}`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used in a method that returns `Result` or `Option` (or another type that implements `FromResidual`)
   --> $DIR/try-on-option-diagnostics.rs:26:14
@@ -46,11 +36,6 @@ LL | |         }
    | |_________- this function should return `Result` or `Option` to accept `?`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `()`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used in a trait method that returns `Result` or `Option` (or another type that implements `FromResidual`)
   --> $DIR/try-on-option-diagnostics.rs:39:14
@@ -63,11 +48,6 @@ LL | |         }
    | |_________- this function should return `Result` or `Option` to accept `?`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `()`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 4 previous errors
 
diff --git a/src/test/ui/try-trait/try-on-option.stderr b/src/test/ui/try-trait/try-on-option.stderr
index b522dd5709b..27e33bc022e 100644
--- a/src/test/ui/try-trait/try-on-option.stderr
+++ b/src/test/ui/try-trait/try-on-option.stderr
@@ -10,11 +10,6 @@ LL | | }
    | |_- this function returns a `Result`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<u32, ()>`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
   --> $DIR/try-on-option.rs:13:6
@@ -28,11 +23,6 @@ LL | | }
    | |_- this function should return `Result` or `Option` to accept `?`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `u32`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/try-trait/try-operator-on-main.stderr b/src/test/ui/try-trait/try-operator-on-main.stderr
index d669124e9f1..ad55f40b5b6 100644
--- a/src/test/ui/try-trait/try-operator-on-main.stderr
+++ b/src/test/ui/try-trait/try-operator-on-main.stderr
@@ -12,11 +12,6 @@ LL | | }
    | |_- this function should return `Result` or `Option` to accept `?`
    |
    = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be applied to values that implement `Try`
   --> $DIR/try-operator-on-main.rs:10:5
@@ -25,11 +20,6 @@ LL |     ()?;
    |     ^^^ the `?` operator cannot be applied to type `()`
    |
    = help: the trait `Try` is not implemented for `()`
-note: required by `branch`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output>;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
   --> $DIR/try-operator-on-main.rs:10:7
@@ -47,11 +37,6 @@ LL | | }
    | |_- this function should return `Result` or `Option` to accept `?`
    |
    = help: the trait `FromResidual<_>` is not implemented for `()`
-note: required by `from_residual`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn from_residual(residual: R) -> Self;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0277]: the trait bound `(): Try` is not satisfied
   --> $DIR/try-operator-on-main.rs:14:25
@@ -72,11 +57,6 @@ LL |     ()?;
    |     ^^^ the `?` operator cannot be applied to type `()`
    |
    = help: the trait `Try` is not implemented for `()`
-note: required by `branch`
-  --> $SRC_DIR/core/src/ops/try_trait.rs:LL:COL
-   |
-LL |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output>;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 5 previous errors
 
-- 
cgit 1.4.1-3-g733a5