[INFO] cloning repository https://github.com/matklad/bunny
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/bunny" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fbunny", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fbunny'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7f1c151634dd77c40a75e5c046a9552f46fd52e
[INFO] checking matklad/bunny against master#5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea for pr-124336
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fbunny" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matklad/bunny on toolchain 5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matklad/bunny
[INFO] finished tweaking git repo https://github.com/matklad/bunny
[INFO] tweaked toml for git repo https://github.com/matklad/bunny written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matklad/bunny 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" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gif v0.6.0
[INFO] [stderr]   Downloaded inflate v0.1.0
[INFO] [stderr]   Downloaded png v0.4.0
[INFO] [stderr]   Downloaded gcc v0.3.19
[INFO] [stderr]   Downloaded num v0.1.28
[INFO] [stderr]   Downloaded objc v0.1.8
[INFO] [stderr]   Downloaded dylib v0.0.2
[INFO] [stderr]   Downloaded shared_library v0.1.2
[INFO] [stderr]   Downloaded rand v0.3.12
[INFO] [stderr]   Downloaded log v0.3.4
[INFO] [stderr]   Downloaded dlib v0.1.1
[INFO] [stderr]   Downloaded gl_common v0.1.0
[INFO] [stderr]   Downloaded gleam v0.1.19
[INFO] [stderr]   Downloaded glutin v0.4.2
[INFO] [stderr]   Downloaded gl_generator v0.2.0
[INFO] [stderr]   Downloaded debug-builders v0.1.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.3
[INFO] [stderr]   Downloaded backtrace v0.1.8
[INFO] [stderr]   Downloaded cgmath v0.4.0
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cgmath-0.4.0/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   dependency (rustc-serialize) specified without providing a local path, Git repository, version, or workspace dependency to use
[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.