Allow the check command to terminate without output #10756
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Cargo will always output something on success:
```
$ cargo check --message-format=json
{"reason":"compiler-artifact", ... snipped ... }
{"reason":"build-finished","success":true}
```
However, rustc does not output anything on success:
```
$ rustc --error-format=json main.rs
$ echo $?
0
```
Restore the behaviour prior to rust-lang#10517, where an exit code of 0 is
considered good even if nothing is written to stdout.
This enables custom overrideCommand values that use rustc rather than
cargo.
|
bors r+ |
|
changelog fix (first contribution) allow the check command to terminate with no output |
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Cargo will always output something on success:
However, rustc does not output anything on success:
Restore the behaviour prior to #10517, where an exit code of 0 is
considered good even if nothing is written to stdout.
This enables custom overrideCommand values that use rustc rather than
cargo.