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fix deadlock while waiting for build script output #434

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merged 1 commit into from
Oct 15, 2020
Merged

fix deadlock while waiting for build script output #434

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2 changes: 1 addition & 1 deletion cargo/cargo_build_script_runner/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -114,9 +114,9 @@ impl BuildScriptOutput {
.stdout(Stdio::piped())
.spawn()
.expect("Unable to start binary");
let ecode = child.wait().expect("failed to wait on child");
let reader = BufReader::new(child.stdout.as_mut().expect("Failed to open stdout"));
let output = Self::from_reader(reader);
let ecode = child.wait().expect("failed to wait on child");
if ecode.success() {
Ok(output)
} else {
Expand Down