[INFO] cloning repository https://github.com/Rojetto/guac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rojetto/guac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRojetto%2Fguac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRojetto%2Fguac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ceb59e90ab0a89dfb56778d0abe237b4985a23b
[INFO] testing Rojetto/guac against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRojetto%2Fguac" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rojetto/guac on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rojetto/guac
[INFO] finished tweaking git repo https://github.com/Rojetto/guac
[INFO] tweaked toml for git repo https://github.com/Rojetto/guac written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rojetto/guac 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.3.1
[INFO] [stderr]   Downloaded glob v0.2.10
[INFO] [stderr]   Downloaded cgl v0.1.4
[INFO] [stderr]   Downloaded osmesa-sys v0.0.5
[INFO] [stderr]   Downloaded debug-builders v0.1.0
[INFO] [stderr]   Downloaded gleam v0.2.5
[INFO] [stderr]   Downloaded fs2 v0.2.2
[INFO] [stderr]   Downloaded backtrace v0.1.8
[INFO] [stderr]   Downloaded wayland-kbd v0.3.5
[INFO] [stderr]   Downloaded wayland-client v0.5.9
[INFO] [stderr]   Downloaded glutin v0.4.8
[INFO] [stderr]   Downloaded backtrace-sys v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.7
[INFO] [stderr]   Downloaded khronos_api v0.0.8
[INFO] [stderr]   Downloaded glium v0.13.5
[INFO] [stderr]   Downloaded x11-dl v2.3.1
[INFO] [stderr]   Downloaded crossbeam v0.1.6
[INFO] [stderr]   Downloaded wayland-window v0.2.2
[INFO] [stderr]   Downloaded gl_generator v0.3.0
[INFO] [stderr]   Downloaded android_glue v0.1.3
[INFO] [stderr]   Downloaded objc v0.1.8
[INFO] [stderr]   Downloaded memmap v0.2.3
[INFO] [stderr]   Downloaded tempfile v1.1.3
[INFO] [stderr]   Downloaded wayland-scanner v0.5.8
[INFO] [stderr]   Downloaded byteorder v0.3.13
[INFO] [stderr]   Downloaded byteorder v0.4.2
[INFO] [stderr]   Downloaded gcc v0.3.23
[INFO] [stderr]   Downloaded dlib v0.3.0
[INFO] [stderr]   Downloaded dylib v0.0.1
[INFO] [stderr]   Downloaded lazy_static v0.1.15
[INFO] [stderr]   Downloaded smallvec v0.1.5
[INFO] [stderr]   Downloaded enum_primitive v0.0.1
[INFO] [stderr]   Downloaded lzw v0.8.0
[INFO] [stderr]   Downloaded wayland-sys v0.5.9
[INFO] [stderr]   Downloaded flate2 v0.2.13
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.0
[INFO] [stderr]   Downloaded log v0.3.5
[INFO] [stderr]   Downloaded cgmath v0.7.0
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cgmath-0.7.0/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


ExecutionFailed(ExitStatus(unix_wait_status(25856)))