[INFO] cloning repository https://github.com/wip-abramson/bbs_group_sig_poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wip-abramson/bbs_group_sig_poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwip-abramson%2Fbbs_group_sig_poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwip-abramson%2Fbbs_group_sig_poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 192d89c8bbbd8fb94381def82190432f1b0976f7
[INFO] checking wip-abramson/bbs_group_sig_poc against master#ab26b175979ee7b2cb3302dce204b99df96f7efb for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwip-abramson%2Fbbs_group_sig_poc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wip-abramson/bbs_group_sig_poc
[INFO] finished tweaking git repo https://github.com/wip-abramson/bbs_group_sig_poc
[INFO] tweaked toml for git repo https://github.com/wip-abramson/bbs_group_sig_poc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wip-abramson/bbs_group_sig_poc on toolchain ab26b175979ee7b2cb3302dce204b99df96f7efb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wip-abramson/bbs_group_sig_poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: Cargo.toml: can't find `bbs` bench at `benches/bbs.rs` or `benches/bbs/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] [stderr] error: could not parse `bbs_rust` (manifest) due to 1 previous error


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
       error: Cargo.toml: can't find `bbs` bench at `benches/bbs.rs` or `benches/bbs/main.rs`. Please specify bench.path if you want to use a non-default path.
       error: could not parse `bbs_rust` (manifest) due to 1 previous error