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-rw-r--r--compiler/rustc_incremental/src/persist/fs.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_incremental/src/persist/fs.rs b/compiler/rustc_incremental/src/persist/fs.rs
index 193042b8cdf..9afea3d66b0 100644
--- a/compiler/rustc_incremental/src/persist/fs.rs
+++ b/compiler/rustc_incremental/src/persist/fs.rs
@@ -125,6 +125,7 @@ use std::path::{Path, PathBuf};
 use std::time::{Duration, SystemTime, UNIX_EPOCH};
 
 use rand::{thread_rng, RngCore};
+use tracing::debug;
 
 #[cfg(test)]
 mod tests;