Test failure with feature_capable build #1834

icp1994 · 2024-05-24T07:08:14Z

icp1994
May 24, 2024

While trying to run tests for v0.127.0, I get the following

error[E0277]: `CsvRecord` doesn't implement `std::fmt::Debug`
   --> tests/test_fixlengths.rs:34:12
    |
34  |     qcheck(p as fn(Vec<CsvRecord>) -> TestResult);
    |     ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CsvRecord` cannot be formatted using `{:?}`
    |     |
    |     required by a bound introduced by this call
    |
    = help: the trait `std::fmt::Debug` is not implemented for `CsvRecord`, which is required by `fn(Vec<CsvRecord>) -> quickcheck::TestResult: Testable`
    = note: add `#[derive(Debug)]` to `CsvRecord` or manually `impl std::fmt::Debug for CsvRecord`
    = help: the following other types implement trait `Testable`:
              fn() -> T
              fn(A) -> T
              fn(A, B) -> T
              fn(A, B, C) -> T
              fn(A, B, C, D) -> T
              fn(A, B, C, D, E) -> T
              fn(A, B, C, D, E, F) -> T
              fn(A, B, C, D, E, F, G) -> T
              fn(A, B, C, D, E, F, G, H) -> T
    = note: required for `Vec<CsvRecord>` to implement `std::fmt::Debug`
    = note: required for `fn(Vec<CsvRecord>) -> quickcheck::TestResult` to implement `Testable`
note: required by a bound in `qcheck`
   --> tests/tests.rs:118:14
    |
118 | fn qcheck<T: Testable>(p: T) {
    |              ^^^^^^^^ required by this bound in `qcheck`
help: consider annotating `CsvRecord` with `#[derive(Debug)]`
   --> tests/tests.rs:148:1
    |
148 + #[derive(Debug)]
149 | struct CsvRecord(Vec<String>);
    |

error[E0277]: `CsvRecord` doesn't implement `std::fmt::Debug`
   --> tests/test_fixlengths.rs:213:12
    |
213 |     qcheck(p as fn(Vec<CsvRecord>, usize) -> TestResult);
    |     ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CsvRecord` cannot be formatted using `{:?}`
    |     |
    |     required by a bound introduced by this call
    |
    = help: the trait `std::fmt::Debug` is not implemented for `CsvRecord`, which is required by `fn(Vec<CsvRecord>, usize) -> quickcheck::TestResult: Testable`
    = note: add `#[derive(Debug)]` to `CsvRecord` or manually `impl std::fmt::Debug for CsvRecord`
    = help: the following other types implement trait `Testable`:
              fn() -> T
              fn(A) -> T
              fn(A, B) -> T
              fn(A, B, C) -> T
              fn(A, B, C, D) -> T
              fn(A, B, C, D, E) -> T
              fn(A, B, C, D, E, F) -> T
              fn(A, B, C, D, E, F, G) -> T
              fn(A, B, C, D, E, F, G, H) -> T
    = note: required for `Vec<CsvRecord>` to implement `std::fmt::Debug`
    = note: required for `fn(Vec<CsvRecord>, usize) -> quickcheck::TestResult` to implement `Testable`
note: required by a bound in `qcheck`
   --> tests/tests.rs:118:14
    |
118 | fn qcheck<T: Testable>(p: T) {
    |              ^^^^^^^^ required by this bound in `qcheck`
help: consider annotating `CsvRecord` with `#[derive(Debug)]`
   --> tests/tests.rs:148:1
    |
148 + #[derive(Debug)]
149 | struct CsvRecord(Vec<String>);
    |

error[E0277]: `CsvRecord` doesn't implement `std::fmt::Debug`
   --> tests/tests.rs:210:5
    |
208 | #[derive(Clone, Debug, Eq, Ord, PartialOrd)]
    |                 ----- in this derive macro expansion
209 | struct CsvData {
210 |     data: Vec<CsvRecord>,
    |     ^^^^^^^^^^^^^^^^^^^^ `CsvRecord` cannot be formatted using `{:?}`
    |
    = help: the trait `std::fmt::Debug` is not implemented for `CsvRecord`, which is required by `&Vec<CsvRecord>: std::fmt::Debug`
    = note: add `#[derive(Debug)]` to `CsvRecord` or manually `impl std::fmt::Debug for CsvRecord`
    = help: the trait `std::fmt::Debug` is implemented for `Vec<T, A>`
    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `CsvRecord` with `#[derive(Debug)]`
    |
148 + #[derive(Debug)]
149 | struct CsvRecord(Vec<String>);
    |

For more information about this error, try `rustc --explain E0277`.

I think this is due to building with --features=feature_capable since I don't see any errors in CI.