[INFO] fetching crate todo_r 0.7.2...
[INFO] building todo_r-0.7.2 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate todo_r 0.7.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate todo_r 0.7.2 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate todo_r 0.7.2
[INFO] finished tweaking crates.io crate todo_r 0.7.2
[INFO] tweaked toml for crates.io crate todo_r 0.7.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 131 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding assert_cmd v0.11.1 (available: v2.0.17)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.39)
[INFO] [stderr]       Adding config v0.9.3 (available: v0.15.11)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.6.0)
[INFO] [stderr]       Adding dialoguer v0.3.0 (available: v0.11.0)
[INFO] [stderr]       Adding dirs v1.0.5 (available: v6.0.0)
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to parse manifest at `/workspace/builds/worker-7-tc1/source/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   can't find `bench` bench at `benches/bench.rs` or `benches/bench/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-7-tc1/source/Cargo.toml`

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