[INFO] fetching crate lockchain-http 0.4.0... [INFO] checking lockchain-http-0.4.0 against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1 [INFO] extracting crate lockchain-http 0.4.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate lockchain-http 0.4.0 on toolchain d49be02cf6d2e2a01264fcdef1e20c826710c0f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lockchain-http 0.4.0 [INFO] finished tweaking crates.io crate lockchain-http 0.4.0 [INFO] tweaked toml for crates.io crate lockchain-http 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "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 `crypto-mac = "^0.5"` [INFO] [stderr] candidate versions found which didn't match: 0.11.1, 0.11.0, 0.11.0-pre.1, ... [INFO] [stderr] location searched: crates.io index [INFO] [stderr] required by package `blake2 v0.7.0` [INFO] [stderr] ... which satisfies dependency `blake2 = "^0.7"` of package `lockchain-core v0.9.0` [INFO] [stderr] ... which satisfies dependency `lockchain-core = "^0.9.0"` of package `lockchain-http v0.4.0 (/workspace/builds/worker-4-tc1/source)` [INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly [INFO] [stderr] crypto-mac = { version = "0.11.0-pre.1" } YankedDependencies overridden task result to broken:yanked