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1.100 beta crater regression: cannot find type OrderRepository in this scope #164136

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1.100 beta crater regression: cannot find type OrderRepository in this scope#164136
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C-bugCategory: This is a bug.E-needs-bisectionCall for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustcE-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable ExampleI-prioritizeIssue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triagingregression-from-stable-to-betaPerformance or correctness regression from stable to beta.

Description

@theemathas
theemathas
opened on Oct 11, 2026

This regression was found in the 1.100 beta crater run.

[INFO] [stderr] error[E0425]: cannot find type `OrderRepository` in this scope
[INFO] [stderr]   --> tests/ui/pass_derive_contract.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn assert_generated_methods(repository: &OrderRepository) {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] note: similarly named trait `PgRepository` defined here
[INFO] [stderr]   --> src/repository.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub trait PgRepository: Send + Sync {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: found an item that was configured out
[INFO] [stderr]   --> tests/ui/pass_derive_contract.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[cfg(feature = "single")]
[INFO] [stderr]    |       ------------------ the item is gated behind the `single` feature
[INFO] [stderr] ...
[INFO] [stderr] 32 | struct OrderRepository {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] note: found an item that was configured out
[INFO] [stderr]   --> tests/ui/pass_derive_contract.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | #[cfg(feature = "factory")]
[INFO] [stderr]    |       ------------------- the item is gated behind the `factory` feature
[INFO] [stderr] ...
[INFO] [stderr] 39 | struct OrderRepository {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]    |
[INFO] [stderr] 44 - fn assert_generated_methods(repository: &OrderRepository) {
[INFO] [stderr] 44 + fn assert_generated_methods(repository: &PgRepository) {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find type `OrderRepository` in this scope
[INFO] [stderr]   --> tests/ui/pass_derive_contract.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |     repository: &OrderRepository,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] note: similarly named trait `PgRepository` defined here
[INFO] [stderr]   --> src/repository.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub trait PgRepository: Send + Sync {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: found an item that was configured out
[INFO] [stderr]   --> tests/ui/pass_derive_contract.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[cfg(feature = "single")]
[INFO] [stderr]    |       ------------------ the item is gated behind the `single` feature
[INFO] [stderr] ...
[INFO] [stderr] 32 | struct OrderRepository {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] note: found an item that was configured out
[INFO] [stderr]   --> tests/ui/pass_derive_contract.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | #[cfg(feature = "factory")]
[INFO] [stderr]    |       ------------------- the item is gated behind the `factory` feature
[INFO] [stderr] ...
[INFO] [stderr] 39 | struct OrderRepository {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]    |
[INFO] [stderr] 54 -     repository: &OrderRepository,
[INFO] [stderr] 54 +     repository: &PgRepository,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find type `OrderRepository` in this scope
[INFO] [stderr]   --> tests/ui/pass_derive_contract.rs:94:78
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn assert_transaction_callback(database: &PgDatabaseService, repository: Arc<OrderRepository>) {
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] note: similarly named trait `PgRepository` defined here
[INFO] [stderr]   --> src/repository.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub trait PgRepository: Send + Sync {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: found an item that was configured out
[INFO] [stderr]   --> tests/ui/pass_derive_contract.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[cfg(feature = "single")]
[INFO] [stderr]    |       ------------------ the item is gated behind the `single` feature
[INFO] [stderr] ...
[INFO] [stderr] 32 | struct OrderRepository {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] note: found an item that was configured out
[INFO] [stderr]   --> tests/ui/pass_derive_contract.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | #[cfg(feature = "factory")]
[INFO] [stderr]    |       ------------------- the item is gated behind the `factory` feature
[INFO] [stderr] ...
[INFO] [stderr] 39 | struct OrderRepository {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]    |
[INFO] [stderr] 94 - fn assert_transaction_callback(database: &PgDatabaseService, repository: Arc<OrderRepository>) {
[INFO] [stderr] 94 + fn assert_transaction_callback(database: &PgDatabaseService, repository: Arc<PgRepository>) {
[INFO] [stderr]    |
[INFO] [stderr] help: you might be missing a type parameter
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn assert_transaction_callback<OrderRepository>(database: &PgDatabaseService, repository: Arc<OrderRepository>) {
[INFO] [stderr]    |                               +++++++++++++++++
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find type `OrderRepository` in this scope
[INFO] [stderr]    --> tests/ui/pass_derive_contract.rs:116:18
[INFO] [stderr]     |
[INFO] [stderr] 116 |     repository: &OrderRepository,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] note: similarly named trait `PgRepository` defined here
[INFO] [stderr]    --> src/repository.rs
[INFO] [stderr]     |
[INFO] [stderr]     | pub trait PgRepository: Send + Sync {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: found an item that was configured out
[INFO] [stderr]    --> tests/ui/pass_derive_contract.rs:32:8
[INFO] [stderr]     |
[INFO] [stderr]  29 | #[cfg(feature = "single")]
[INFO] [stderr]     |       ------------------ the item is gated behind the `single` feature
[INFO] [stderr] ...
[INFO] [stderr]  32 | struct OrderRepository {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] note: found an item that was configured out
[INFO] [stderr]    --> tests/ui/pass_derive_contract.rs:39:8
[INFO] [stderr]     |
[INFO] [stderr]  36 | #[cfg(feature = "factory")]
[INFO] [stderr]     |       ------------------- the item is gated behind the `factory` feature
[INFO] [stderr] ...
[INFO] [stderr]  39 | struct OrderRepository {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]     |
[INFO] [stderr] 116 -     repository: &OrderRepository,
[INFO] [stderr] 116 +     repository: &PgRepository,
[INFO] [stderr]     |

https://crater-reports.s3.amazonaws.com/beta-1.100-4/1.100.0-beta.1/reg/lily_postgresql-0.1.0/log.txt

Notably, this was found in a ui test that is supposed to compile without errors.

Activity

  1. theemathas
    added
    regression-from-stable-to-betaPerformance or correctness regression from stable to beta.
    C-bugCategory: This is a bug.
    E-needs-bisectionCall for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc
    E-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example
    on Oct 11, 2026
  2. rustbot
    added
    needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging
    I-prioritizeIssue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}
    on Oct 11, 2026
  3. theemathas
    added a parent issue on Oct 11, 2026

  4. asquared31415 commented on Oct 11, 2026

    @asquared31415
    asquared31415
    on Oct 11, 2026
    Contributor

    This is more fallout from the cargo build dir changes, this crate is using trybuild, which does automatic feature detection, but v1.0.118 fails. The fix is dtolnay/trybuild@ed84d28 which is only in v1.0.119 and later.

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    C-bugCategory: This is a bug.E-needs-bisectionCall for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustcE-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable ExampleI-prioritizeIssue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triagingregression-from-stable-to-betaPerformance or correctness regression from stable to beta.

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