resolve: Consider all traits from ambiguous glob imports to be in scope by petrochenkov · Pull Request #148946 · rust-lang/rust

petrochenkov · 2025-11-14T14:12:09Z

An alternative solution for #147992.

We now basically desugar

use module::*; // import `Trait`

into

use module::*; // import `Trait`
use module::Trait as _;

This change also fixes #144993, I'm not sure how to make these two changes separately, that would be significantly more complex.

rustbot · 2025-11-14T14:12:14Z

r? @jackh726

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They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

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petrochenkov · 2025-11-14T14:13:17Z

@bors try

resolve: Consider all traits from ambiguous glob imports to be in scope

rust-log-analyzer · 2025-11-14T15:14:14Z

The job x86_64-gnu-tools failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

tests/ui/should_impl_trait/method_list_1.rs (revision `edition2021`) ... ok
tests/ui/size_of_in_element_count/functions.rs ... ok

FAILED TEST: tests/ui/wildcard_imports.rs
command: CLIPPY_CONF_DIR="tests" RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/clippy-driver" "--error-format=json" "--emit=metadata" "-Aunused" "-Ainternal_features" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Dwarnings" "-Ldependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "--sysroot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/ui_test/0/tests/ui" "tests/ui/wildcard_imports.rs" "--extern" "wildcard_imports_helper=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/ui_test/0/tests/ui/auxiliary/libwildcard_imports_helper.rlib" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/ui_test/0/tests/ui/auxiliary" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libfutures-a8bf6f69c9b80e37.rlib" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libfutures-a8bf6f69c9b80e37.rmeta" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libitertools-2d82d3ce68d9c3ee.rlib" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libitertools-2d82d3ce68d9c3ee.rmeta" "--extern" "libc=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/liblibc-e86cd1a7c22fc60c.rlib" "--extern" "libc=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/liblibc-e86cd1a7c22fc60c.rmeta" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libparking_lot-a94abfa769f04e5d.rlib" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libparking_lot-a94abfa769f04e5d.rmeta" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libquote-22b65b7753b00e23.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libquote-22b65b7753b00e23.rmeta" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libregex-4368476ea091f8ef.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libregex-4368476ea091f8ef.rmeta" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libserde-978a92b8a77cdf3d.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libserde-978a92b8a77cdf3d.rmeta" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libsyn-fdddf18d670fbd00.rlib" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libsyn-fdddf18d670fbd00.rmeta" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libtokio-1fc6a815de90452d.rlib" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libtokio-1fc6a815de90452d.rmeta" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/debug/deps" "--edition" "2015"

error: actual output differed from expected
Execute `./x test src/tools/clippy --bless` to update `tests/ui/wildcard_imports.stderr` to the actual output
--- tests/ui/wildcard_imports.stderr
+++ <stderr output>
 error: usage of wildcard import
   --> tests/ui/wildcard_imports.rs:15:5
... 36 lines skipped ...
 
 error: usage of wildcard import
-  --> tests/ui/wildcard_imports.rs:100:13
-   |
-LL |         use self::exports_underscore_ish::*;
-   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self::exports_underscore_ish::{_Deref, dummy}`
-
-error: usage of wildcard import
   --> tests/ui/wildcard_imports.rs:132:13
    |
... 88 lines skipped ...
---

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:17:5
   |
LL | use crate::mod_mod::*;
   |     ^^^^^^^^^^^^^^^^^ help: try: `crate::mod_mod::inner_mod`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:19:5
   |
LL | use crate::multi_fn_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate::multi_fn_mod::{multi_foo, multi_bar, multi_inner_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:22:5
   |
LL | use crate::struct_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::struct_mod::{A, inner_struct_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:27:5
   |
LL | use wildcard_imports_helper::inner::inner_for_self_import::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::inner::inner_for_self_import::inner_extern_bar`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:29:5
   |
LL | use wildcard_imports_helper::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:132:13
   |
LL |         use crate::fn_mod::*;
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:141:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:154:20
   |
LL |         use self::{inner::*, inner2::*};
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:163:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_exported, ExternExportedStruct, ExternExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:193:9
   |
LL |     use crate::in_fn_test::*;
   |         ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::in_fn_test::{exported, ExportedStruct, ExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:203:9
   |
LL |     use crate:: in_fn_test::  * ;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate:: in_fn_test::exported`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:205:9
   |
LL |       use crate:: fn_mod::
   |  _________^
LL | |
LL | |         *;
   | |_________^ help: try: `crate:: fn_mod::foo`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:217:13
   |
LL |         use super::*;
---

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:17:5
   |
LL | use crate::mod_mod::*;
   |     ^^^^^^^^^^^^^^^^^ help: try: `crate::mod_mod::inner_mod`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:19:5
   |
LL | use crate::multi_fn_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate::multi_fn_mod::{multi_foo, multi_bar, multi_inner_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:22:5
   |
LL | use crate::struct_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::struct_mod::{A, inner_struct_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:27:5
   |
LL | use wildcard_imports_helper::inner::inner_for_self_import::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::inner::inner_for_self_import::inner_extern_bar`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:29:5
   |
LL | use wildcard_imports_helper::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:132:13
   |
LL |         use crate::fn_mod::*;
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:141:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:154:20
   |
LL |         use self::{inner::*, inner2::*};
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:163:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_exported, ExternExportedStruct, ExternExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:193:9
   |
LL |     use crate::in_fn_test::*;
   |         ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::in_fn_test::{exported, ExportedStruct, ExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:203:9
   |
LL |     use crate:: in_fn_test::  * ;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate:: in_fn_test::exported`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:205:9
   |
LL |       use crate:: fn_mod::
   |  _________^
LL | |
LL | |         *;
   | |_________^ help: try: `crate:: fn_mod::foo`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports.rs:217:13
   |
LL |         use super::*;
---



FAILED TEST: tests/ui/wildcard_imports_2021.rs (revision `edition2018`)
command: CLIPPY_CONF_DIR="tests" RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/clippy-driver" "--error-format=json" "--emit=metadata" "-Aunused" "-Ainternal_features" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Dwarnings" "-Ldependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "--sysroot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/ui_test/0/tests/ui" "tests/ui/wildcard_imports_2021.rs" "--extern" "wildcard_imports_helper=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/ui_test/0/tests/ui/auxiliary/libwildcard_imports_helper.rlib" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/ui_test/0/tests/ui/auxiliary" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libfutures-a8bf6f69c9b80e37.rlib" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libfutures-a8bf6f69c9b80e37.rmeta" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libitertools-2d82d3ce68d9c3ee.rlib" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libitertools-2d82d3ce68d9c3ee.rmeta" "--extern" "libc=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/liblibc-e86cd1a7c22fc60c.rlib" "--extern" "libc=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/liblibc-e86cd1a7c22fc60c.rmeta" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libparking_lot-a94abfa769f04e5d.rlib" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libparking_lot-a94abfa769f04e5d.rmeta" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libquote-22b65b7753b00e23.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libquote-22b65b7753b00e23.rmeta" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libregex-4368476ea091f8ef.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libregex-4368476ea091f8ef.rmeta" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libserde-978a92b8a77cdf3d.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libserde-978a92b8a77cdf3d.rmeta" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libsyn-fdddf18d670fbd00.rlib" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libsyn-fdddf18d670fbd00.rmeta" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libtokio-1fc6a815de90452d.rlib" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libtokio-1fc6a815de90452d.rmeta" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/debug/deps" "--edition" "2018" "--cfg=edition2018" "-Cextra-filename=edition2018"

error: actual output differed from expected
Execute `./x test src/tools/clippy --bless` to update `tests/ui/wildcard_imports_2021.edition2018.stderr` to the actual output
--- tests/ui/wildcard_imports_2021.edition2018.stderr
+++ <stderr output>
 error: usage of wildcard import
   --> tests/ui/wildcard_imports_2021.rs:13:5
... 36 lines skipped ...
 
 error: usage of wildcard import
-  --> tests/ui/wildcard_imports_2021.rs:95:13
-   |
-LL |         use exports_underscore_ish::*;
-   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `exports_underscore_ish::{_Deref, dummy}`
-
-error: usage of wildcard import
   --> tests/ui/wildcard_imports_2021.rs:126:13
    |
... 88 lines skipped ...
---

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:15:5
   |
LL | use crate::mod_mod::*;
   |     ^^^^^^^^^^^^^^^^^ help: try: `crate::mod_mod::inner_mod`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:17:5
   |
LL | use crate::multi_fn_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate::multi_fn_mod::{multi_foo, multi_bar, multi_inner_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:19:5
   |
LL | use crate::struct_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::struct_mod::{A, inner_struct_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:23:5
   |
LL | use wildcard_imports_helper::inner::inner_for_self_import::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::inner::inner_for_self_import::inner_extern_bar`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:26:5
   |
LL | use wildcard_imports_helper::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:126:13
   |
LL |         use crate::fn_mod::*;
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:135:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:148:20
   |
LL |         use self::{inner::*, inner2::*};
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:157:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_exported, ExternExportedStruct, ExternExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:187:9
   |
LL |     use crate::in_fn_test::*;
   |         ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::in_fn_test::{exported, ExportedStruct, ExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:197:9
   |
LL |     use crate:: in_fn_test::  * ;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate:: in_fn_test::exported`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:199:9
   |
LL |       use crate:: fn_mod::
   |  _________^
LL | |
LL | |         *;
   | |_________^ help: try: `crate:: fn_mod::foo`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:211:13
   |
LL |         use super::*;
---

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:15:5
   |
LL | use crate::mod_mod::*;
   |     ^^^^^^^^^^^^^^^^^ help: try: `crate::mod_mod::inner_mod`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:17:5
   |
LL | use crate::multi_fn_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate::multi_fn_mod::{multi_foo, multi_bar, multi_inner_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:19:5
   |
LL | use crate::struct_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::struct_mod::{A, inner_struct_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:23:5
   |
LL | use wildcard_imports_helper::inner::inner_for_self_import::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::inner::inner_for_self_import::inner_extern_bar`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:26:5
   |
LL | use wildcard_imports_helper::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:126:13
   |
LL |         use crate::fn_mod::*;
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:135:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:148:20
   |
LL |         use self::{inner::*, inner2::*};
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:157:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_exported, ExternExportedStruct, ExternExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:187:9
   |
LL |     use crate::in_fn_test::*;
   |         ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::in_fn_test::{exported, ExportedStruct, ExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:197:9
   |
LL |     use crate:: in_fn_test::  * ;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate:: in_fn_test::exported`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:199:9
   |
LL |       use crate:: fn_mod::
   |  _________^
LL | |
LL | |         *;
   | |_________^ help: try: `crate:: fn_mod::foo`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:211:13
   |
LL |         use super::*;
---



FAILED TEST: tests/ui/wildcard_imports_2021.rs (revision `edition2021`)
command: CLIPPY_CONF_DIR="tests" RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/clippy-driver" "--error-format=json" "--emit=metadata" "-Aunused" "-Ainternal_features" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Dwarnings" "-Ldependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "--sysroot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/ui_test/0/tests/ui" "tests/ui/wildcard_imports_2021.rs" "--extern" "wildcard_imports_helper=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/ui_test/0/tests/ui/auxiliary/libwildcard_imports_helper.rlib" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/ui_test/0/tests/ui/auxiliary" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libfutures-a8bf6f69c9b80e37.rlib" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libfutures-a8bf6f69c9b80e37.rmeta" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libitertools-2d82d3ce68d9c3ee.rlib" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libitertools-2d82d3ce68d9c3ee.rmeta" "--extern" "libc=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/liblibc-e86cd1a7c22fc60c.rlib" "--extern" "libc=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/liblibc-e86cd1a7c22fc60c.rmeta" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libparking_lot-a94abfa769f04e5d.rlib" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libparking_lot-a94abfa769f04e5d.rmeta" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libquote-22b65b7753b00e23.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libquote-22b65b7753b00e23.rmeta" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libregex-4368476ea091f8ef.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libregex-4368476ea091f8ef.rmeta" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libserde-978a92b8a77cdf3d.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libserde-978a92b8a77cdf3d.rmeta" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libsyn-fdddf18d670fbd00.rlib" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libsyn-fdddf18d670fbd00.rmeta" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libtokio-1fc6a815de90452d.rlib" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps/libtokio-1fc6a815de90452d.rmeta" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/debug/deps" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/debug/deps" "--edition" "2021" "--cfg=edition2021" "-Cextra-filename=edition2021"

error: actual output differed from expected
Execute `./x test src/tools/clippy --bless` to update `tests/ui/wildcard_imports_2021.edition2021.stderr` to the actual output
--- tests/ui/wildcard_imports_2021.edition2021.stderr
+++ <stderr output>
 error: usage of wildcard import
   --> tests/ui/wildcard_imports_2021.rs:13:5
... 36 lines skipped ...
 
 error: usage of wildcard import
-  --> tests/ui/wildcard_imports_2021.rs:95:13
-   |
-LL |         use exports_underscore_ish::*;
-   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `exports_underscore_ish::{_Deref, dummy}`
-
-error: usage of wildcard import
   --> tests/ui/wildcard_imports_2021.rs:126:13
    |
... 88 lines skipped ...
---

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:15:5
   |
LL | use crate::mod_mod::*;
   |     ^^^^^^^^^^^^^^^^^ help: try: `crate::mod_mod::inner_mod`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:17:5
   |
LL | use crate::multi_fn_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate::multi_fn_mod::{multi_foo, multi_bar, multi_inner_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:19:5
   |
LL | use crate::struct_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::struct_mod::{A, inner_struct_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:23:5
   |
LL | use wildcard_imports_helper::inner::inner_for_self_import::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::inner::inner_for_self_import::inner_extern_bar`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:26:5
   |
LL | use wildcard_imports_helper::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:126:13
   |
LL |         use crate::fn_mod::*;
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:135:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:148:20
   |
LL |         use self::{inner::*, inner2::*};
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:157:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_exported, ExternExportedStruct, ExternExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:187:9
   |
LL |     use crate::in_fn_test::*;
   |         ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::in_fn_test::{exported, ExportedStruct, ExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:197:9
   |
LL |     use crate:: in_fn_test::  * ;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate:: in_fn_test::exported`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:199:9
   |
LL |       use crate:: fn_mod::
   |  _________^
LL | |
LL | |         *;
   | |_________^ help: try: `crate:: fn_mod::foo`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:211:13
   |
LL |         use super::*;
---

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:15:5
   |
LL | use crate::mod_mod::*;
   |     ^^^^^^^^^^^^^^^^^ help: try: `crate::mod_mod::inner_mod`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:17:5
   |
LL | use crate::multi_fn_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate::multi_fn_mod::{multi_foo, multi_bar, multi_inner_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:19:5
   |
LL | use crate::struct_mod::*;
   |     ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::struct_mod::{A, inner_struct_mod}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:23:5
   |
LL | use wildcard_imports_helper::inner::inner_for_self_import::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::inner::inner_for_self_import::inner_extern_bar`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:26:5
   |
LL | use wildcard_imports_helper::*;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:126:13
   |
LL |         use crate::fn_mod::*;
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:135:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_foo, ExternA}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:148:20
   |
LL |         use self::{inner::*, inner2::*};
---
error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:157:13
   |
LL |         use wildcard_imports_helper::*;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `wildcard_imports_helper::{extern_exported, ExternExportedStruct, ExternExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:187:9
   |
LL |     use crate::in_fn_test::*;
   |         ^^^^^^^^^^^^^^^^^^^^ help: try: `crate::in_fn_test::{exported, ExportedStruct, ExportedEnum}`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:197:9
   |
LL |     use crate:: in_fn_test::  * ;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `crate:: in_fn_test::exported`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:199:9
   |
LL |       use crate:: fn_mod::
   |  _________^
LL | |
LL | |         *;
   | |_________^ help: try: `crate:: fn_mod::foo`

error: usage of wildcard import
##[error]  --> tests/ui/wildcard_imports_2021.rs:211:13
   |
LL |         use super::*;

rust-bors · 2025-11-14T16:29:32Z

☀️ Try build successful (CI)
Build commit: 9581360 (95813608313bff49cfc1afc393a946a3c085b772, parent: c8551d3c63c51f290cf1dc9dc4714249ea849fd1)

petrochenkov · 2025-11-14T20:28:00Z

@craterbot check

craterbot · 2025-11-14T20:28:32Z

👌 Experiment pr-148946 created and queued.
🤖 Automatically detected try build 9581360
🔍 You can check out the queue and this experiment's details.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

craterbot · 2025-11-15T23:47:21Z

🚧 Experiment pr-148946 is now running

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

craterbot · 2025-11-17T15:58:05Z

🎉 Experiment pr-148946 is completed!
📊 321 regressed and 7 fixed (737227 total)
📊 1843 spurious results on the retry-regessed-list.txt, consider a retry¹ if this is a significant amount.
📰 Open the summary report.

⚠️ If you notice any spurious failure please add them to the denylist!
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

re-run the experiment with crates=https://crater-reports.s3.amazonaws.com/pr-148946/retry-regressed-list.txt ↩

petrochenkov · 2025-11-18T11:08:26Z

More regressions than from #147995.
As expected, a lot of ambiguous methods now.
Analysis: #147992 (comment)

petrochenkov · 2025-11-20T12:57:38Z

I'm going to close this in favor of #149058, which is more conservative and less breaking change.

resolve: Consider all traits from ambiguous glob imports to be in scope

4925e53

rustbot assigned jackh726 Nov 14, 2025

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Nov 14, 2025

petrochenkov mentioned this pull request Nov 14, 2025

resolve: Consider traits from shadowed glob imports to be in scope #148943

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rust-bors bot added a commit that referenced this pull request Nov 14, 2025

Auto merge of #148946 - petrochenkov:underglob, r=<try>

9581360

resolve: Consider all traits from ambiguous glob imports to be in scope

petrochenkov added S-waiting-on-crater Status: Waiting on a crater run to be completed. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 14, 2025

petrochenkov mentioned this pull request Nov 14, 2025

shadowed traits from glob imports in the same scope get ignored #144993

Open

craterbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-crater Status: Waiting on a crater run to be completed. labels Nov 17, 2025

petrochenkov added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 18, 2025

petrochenkov mentioned this pull request Nov 18, 2025

The set of traits in scope behaves unpredictably in presence of ambiguous glob imports #147992

Open

LorrensP-2158466 mentioned this pull request Nov 18, 2025

FCW Lint when using an ambiguously glob imported trait #149058

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petrochenkov closed this Nov 20, 2025

rustbot removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Nov 20, 2025

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resolve: Consider all traits from ambiguous glob imports to be in scope#148946

resolve: Consider all traits from ambiguous glob imports to be in scope#148946
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