[INFO] cloning repository https://github.com/BrageHK/MuZero-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrageHK/MuZero-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrageHK%2FMuZero-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrageHK%2FMuZero-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81a2d61480e14b1ee22cde2544f56155851a6b18
[INFO] checking BrageHK/MuZero-rs against da86f4d0726be475afbbffe40cb2f65741c51ad3 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrageHK%2FMuZero-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BrageHK/MuZero-rs
[INFO] finished tweaking git repo https://github.com/BrageHK/MuZero-rs
[INFO] tweaked toml for git repo https://github.com/BrageHK/MuZero-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BrageHK/MuZero-rs on toolchain da86f4d0726be475afbbffe40cb2f65741c51ad3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BrageHK/MuZero-rs 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" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to load source for dependency `ale-sys`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to update /workspace/builds/worker-6-tc1/source/vendor/ale-sys
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to read `/workspace/builds/worker-6-tc1/source/vendor/ale-sys/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)


overridden task result to broken:missing-deps

Caused by:
    the crate depends on missing dependencies: 
    
    error: failed to load source for dependency `ale-sys`
    
    Caused by:
      unable to update /workspace/builds/worker-6-tc1/source/vendor/ale-sys
    
    Caused by:
      failed to read `/workspace/builds/worker-6-tc1/source/vendor/ale-sys/Cargo.toml`
    
    Caused by:
      No such file or directory (os error 2)