foldme; fixup for host identity in test

Signed-off-by: Daniel Silverstone <[email protected]>

Author: kinnison

tests/cli-v2.rs

@@ -1206,7 +1206,7 @@ fn run_with_install_flag_against_unavailable_component() {
             for_host!(
                 r"info: syncing channel updates for 'nightly-{0}'
 info: latest update on 2015-01-02, rust version 1.3.0 (hash-nightly-2)
-warning: Force-skipping unavailable component 'rust-std-x86_64-apple-darwin'
+warning: Force-skipping unavailable component 'rust-std-{0}'
 info: downloading component 'cargo'
 info: downloading component 'rust-docs'
 info: downloading component 'rustc'