[INFO] cloning repository https://github.com/fullscreen-triangle/trebuchet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fullscreen-triangle/trebuchet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffullscreen-triangle%2Ftrebuchet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffullscreen-triangle%2Ftrebuchet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60c561ed9e6998dbf7c134f643731c9063d1aee7
[INFO] checking fullscreen-triangle/trebuchet against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffullscreen-triangle%2Ftrebuchet" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  77% (8793/11327)
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Updating files: 100% (11327/11327), done.
[INFO] started tweaking git repo https://github.com/fullscreen-triangle/trebuchet
[INFO] finished tweaking git repo https://github.com/fullscreen-triangle/trebuchet
[INFO] tweaked toml for git repo https://github.com/fullscreen-triangle/trebuchet written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fullscreen-triangle/trebuchet on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fullscreen-triangle/trebuchet 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/trebuchet-core/Cargo.toml: unused manifest key: dependencies.serde.version
[INFO] [stderr] error: failed to parse manifest at `/workspace/builds/worker-2-tc1/source/trebuchet-core/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   can't find `core_benchmarks` bench at `benches/core_benchmarks.rs` or `benches/core_benchmarks/main.rs`. Please specify bench.path if you want to use a non-default path.


command failed: exit status: 101

warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
warning: /workspace/builds/worker-2-tc1/source/trebuchet-core/Cargo.toml: unused manifest key: dependencies.serde.version
error: failed to parse manifest at `/workspace/builds/worker-2-tc1/source/trebuchet-core/Cargo.toml`

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