[INFO] fetching crate darts 0.1.0...
[INFO] checking darts-0.1.0 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate darts 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate darts 0.1.0
[INFO] finished tweaking crates.io crate darts 0.1.0
[INFO] tweaked toml for crates.io crate darts 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate darts 0.1.0 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.7.0)
[INFO] [stderr]       Adding hashbrown v0.5.0 (available: v0.16.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "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 `darts_benchmark` bench at `benches/darts_benchmark.rs` or `benches/darts_benchmark/main.rs`. Please specify bench.path if you want to use a non-default path.


command failed: exit status: 101

error: failed to parse manifest at `/workspace/builds/worker-5-tc1/source/Cargo.toml`

Caused by:
  can't find `darts_benchmark` bench at `benches/darts_benchmark.rs` or `benches/darts_benchmark/main.rs`. Please specify bench.path if you want to use a non-default path.