PGO Build OpenBench (depth=12)
Instrumenting...
[2026-07-20T07:25:48Z INFO  cargo_pgo::pgo::instrument] PGO profile directory will be cleared.
[2026-07-20T07:25:48Z INFO  cargo_pgo::pgo::instrument] PGO profiles will be stored into /tmp/nix-shell-146331-2099191953/tmplpq8vhxs/Soul/Soul-tmp/target/pgo-profiles.
[2026-07-20T07:26:06Z INFO  cargo_pgo::pgo::instrument] PGO-instrumented binary soul built successfully.
[2026-07-20T07:26:06Z INFO  cargo_pgo::pgo::instrument] Now run /tmp/nix-shell-146331-2099191953/tmplpq8vhxs/Soul/Soul-tmp/target/x86_64-unknown-linux-gnu/release/soul on your workload.
    If your program creates multiple processes or you will execute it multiple times in parallel, consider running it with the following environment variable to have more precise profiles:
    LLVM_PROFILE_FILE=/tmp/nix-shell-146331-2099191953/tmplpq8vhxs/Soul/Soul-tmp/target/pgo-profiles/soul_%m_%p.profraw
[2026-07-20T07:26:06Z INFO  cargo_pgo::pgo::instrument] PGO instrumentation build finished successfully.
Training...
Optimizing...
Could not find `llvm-profdata`
Try installing `llvm-profdata` using `rustup component add llvm-tools-preview` or build LLVM manually and add its `bin` directory to PATH.
make: *** [Makefile:156: openbench] Error 1