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error[E0658]: use of unstable library feature 'trace_macros': `trace_macros` is not stable enough for use and is subject to change
--> $DIR/trace_macros-gate.rs:4:5
|
LL | trace_macros!();
| ^^^^^^^^^^^^
|
= note: see issue #29598 <https://github.com/rust-lang/rust/issues/29598> for more information
= help: add `#![feature(trace_macros)]` to the crate attributes to enable
error: trace_macros! accepts only `true` or `false`
--> $DIR/trace_macros-gate.rs:4:5
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LL | trace_macros!();
| ^^^^^^^^^^^^^^^
error[E0658]: use of unstable library feature 'trace_macros': `trace_macros` is not stable enough for use and is subject to change
--> $DIR/trace_macros-gate.rs:6:5
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LL | trace_macros!(true);
| ^^^^^^^^^^^^
|
= note: see issue #29598 <https://github.com/rust-lang/rust/issues/29598> for more information
= help: add `#![feature(trace_macros)]` to the crate attributes to enable
error[E0658]: use of unstable library feature 'trace_macros': `trace_macros` is not stable enough for use and is subject to change
--> $DIR/trace_macros-gate.rs:7:5
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LL | trace_macros!(false);
| ^^^^^^^^^^^^
|
= note: see issue #29598 <https://github.com/rust-lang/rust/issues/29598> for more information
= help: add `#![feature(trace_macros)]` to the crate attributes to enable
error[E0658]: use of unstable library feature 'trace_macros': `trace_macros` is not stable enough for use and is subject to change
--> $DIR/trace_macros-gate.rs:10:26
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LL | ($x: ident) => { trace_macros!($x) }
| ^^^^^^^^^^^^
...
LL | expando!(true);
| -------------- in this macro invocation
|
= note: see issue #29598 <https://github.com/rust-lang/rust/issues/29598> for more information
= help: add `#![feature(trace_macros)]` to the crate attributes to enable
= note: this error originates in the macro `expando` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0658`.
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