Add repair flag to build.

src/nix_util/running_build.rs

@@ -3,7 +3,6 @@ use std::borrow::Cow;
 use sqlx::Row;
 use tokio::process::Child;
 use tracing::error;
-use tracing::info;
 
 use crate::Result;
 use crate::database::db_handle::DbHandle;