Fix CI

backend/rust-toolchain.toml

@@ -0,0 +1,4 @@
+[toolchain]
+channel = "nightly-2025-03-14"
+targets = [ "x86_64-unknown-linux-gnu" ]
+profile = "default"

backend/sync_lib/src/lib.rs

@@ -66,7 +66,7 @@ pub fn merge_text(parent: &str, left: &str, right: &str) -> String {
 pub fn is_binary(data: &[u8]) -> bool {
     set_panic_hook();
 
-    if data.iter().any(|&b| b == 0) {
+    if data.contains(&0) {
         // Even though the NUL character is valid in UTF-8, it's highly suspicious in
         // human-readable text.
         return true;

frontend/test-client/run.sh

@@ -31,7 +31,7 @@ print_failed_log() {
             
             # Only consider non-zero exit codes as failures
             if [ $exit_code -ne 0 ]; then
-                echo "Process ${pids[$i-1]} failed with exit code $exit_code. Log file: $(pwd)/log_${i}.log"
+                echo "Process ${pids[$i-1]} failed with exit code $exit_code. Log file: $(pwd)/logs/log_${i}.log"
                 return 0
             else
                 echo "Process ${pids[$i-1]} completed successfully with exit code 0"