# Pastebin a9MT5m1G
Loading: 40 packages loaded
    Fetching @llvm_toolchain; fetching
ERROR: An error occurred during the fetch of repository 'llvm_toolchain':
   Traceback (most recent call last):
        File "/build/output/external/com_grail_bazel_toolchain/toolchain/internal/configure.bzl", line 87
                _download_llvm_preconfigured(<1 more arguments>)
        File "/build/output/external/com_grail_bazel_toolchain/toolchain/internal/llvm_distributions.bzl", line 94, in _download_llvm_preconfigured
                fail(<1 more arguments>)
Failed to detect host OS version:

src/main/tools/process-wrapper-legacy.cc:58: "execvp(/build/output/external/com_grail_bazel_toolchain/toolchain/tools/llvm_release_name.py, ...)": No such file or directory