error[E0277]: `impl Sized` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:9:22 | LL | println!("{:?}", t); | ^ `impl Sized` cannot be formatted using `{:?}` because it doesn't implement `Debug` | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting this bound | LL | fn test_impl(t: impl Sized + std::fmt::Debug) { | +++++++++++++++++ error[E0277]: `T` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:15:22 | LL | println!("{:?}", t); | ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider restricting type parameter `T` | LL | fn test_no_bounds(t: T) { | +++++++++++++++++ error[E0277]: `T` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:21:22 | LL | println!("{:?}", t); | ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting this bound | LL | fn test_one_bound(t: T) { | +++++++++++++++++ error[E0277]: `Y` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:27:30 | LL | println!("{:?} {:?}", x, y); | ^ `Y` cannot be formatted using `{:?}` because it doesn't implement `Debug` | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting type parameter `Y` | LL | fn test_no_bounds_where(x: X, y: Y) where X: std::fmt::Debug, Y: std::fmt::Debug { | ~~~~~~~~~~~~~~~~~~~~ error[E0277]: `X` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:33:22 | LL | println!("{:?}", x); | ^ `X` cannot be formatted using `{:?}` because it doesn't implement `Debug` | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting this bound | LL | fn test_one_bound_where(x: X) where X: Sized + std::fmt::Debug { | +++++++++++++++++ error[E0277]: `X` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:39:22 | LL | println!("{:?}", x); | ^ `X` cannot be formatted using `{:?}` because it doesn't implement `Debug` | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting this bound | LL | fn test_many_bounds_where(x: X) where X: Sized + std::fmt::Debug, X: Sized { | +++++++++++++++++ error[E0277]: the size for values of type `Self` cannot be known at compilation time --> $DIR/bound-suggestions.rs:44:46 | LL | const SIZE: usize = core::mem::size_of::(); | ^^^^ doesn't have a size known at compile-time | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL help: consider further restricting `Self` | LL | trait Foo: Sized { | +++++++ error[E0277]: the size for values of type `Self` cannot be known at compilation time --> $DIR/bound-suggestions.rs:49:46 | LL | const SIZE: usize = core::mem::size_of::(); | ^^^^ doesn't have a size known at compile-time | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL help: consider further restricting `Self` | LL | trait Bar: std::fmt::Display + Sized { | +++++++ error[E0277]: the size for values of type `Self` cannot be known at compilation time --> $DIR/bound-suggestions.rs:54:46 | LL | const SIZE: usize = core::mem::size_of::(); | ^^^^ doesn't have a size known at compile-time | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL help: consider further restricting `Self` | LL | trait Baz: Sized where Self: std::fmt::Display { | +++++++ error[E0277]: the size for values of type `Self` cannot be known at compilation time --> $DIR/bound-suggestions.rs:59:46 | LL | const SIZE: usize = core::mem::size_of::(); | ^^^^ doesn't have a size known at compile-time | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL help: consider further restricting `Self` | LL | trait Qux: Sized where Self: std::fmt::Display { | +++++++ error[E0277]: the size for values of type `Self` cannot be known at compilation time --> $DIR/bound-suggestions.rs:64:46 | LL | const SIZE: usize = core::mem::size_of::(); | ^^^^ doesn't have a size known at compile-time | note: required by a bound in `std::mem::size_of` --> $SRC_DIR/core/src/mem/mod.rs:LL:COL help: consider further restricting `Self` | LL | trait Bat: std::fmt::Display + Sized { | +++++++ error: aborting due to 11 previous errors For more information about this error, try `rustc --explain E0277`.