[INFO] fetching crate flatten_overlapping_ranges 0.1.0...
[INFO] checking flatten_overlapping_ranges-0.1.0 against master#023084804e5e8ea42877451c2b3030e7050281cc for pr-123909
[INFO] extracting crate flatten_overlapping_ranges 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate flatten_overlapping_ranges 0.1.0 on toolchain 023084804e5e8ea42877451c2b3030e7050281cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatten_overlapping_ranges 0.1.0
[INFO] finished tweaking crates.io crate flatten_overlapping_ranges 0.1.0
[INFO] tweaked toml for crates.io crate flatten_overlapping_ranges 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to parse manifest at `/workspace/builds/worker-5-tc1/source/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   can't find `example` bench at `benches/example.rs` or `benches/example/main.rs`. Please specify bench.path if you want to use a non-default path.
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.