[INFO] fetching crate s4 0.0.15...
[INFO] checking s4-0.0.15 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate s4 0.0.15 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate s4 0.0.15 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate s4 0.0.15
[INFO] finished tweaking crates.io crate s4 0.0.15
[INFO] tweaked toml for crates.io crate s4 0.0.15 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `hmac = "^0.5.0"`
[INFO] [stderr] candidate versions found which didn't match: 0.12.1, 0.12.0, 0.11.0, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rusoto_core v0.40.0`
[INFO] [stderr]     ... which satisfies dependency `rusoto_core = "^0.40"` of package `s4 v0.0.15 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: the crate depends on yanked dependencies
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
