diff options
| -rw-r--r-- | src/bootstrap/bootstrap.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index 9af0657caff..d437397045c 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -70,7 +70,11 @@ def get(base, url, path, checksums, verbose=False, do_verify=True, help_on_error try: if do_verify: if url not in checksums: - raise RuntimeError("src/stage0.json doesn't contain a checksum for {}".format(url)) + raise RuntimeError(("src/stage0.json doesn't contain a checksum for {}. " + "Pre-built artifacts might not available for this " + "target at this time, see https://doc.rust-lang.org/nightly" + "/rustc/platform-support.html for more information.") + .format(url)) sha256 = checksums[url] if os.path.exists(path): if verify(path, sha256, False): |