[INFO] cloning repository https://github.com/yanorei32/discord-tts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yanorei32/discord-tts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanorei32%2Fdiscord-tts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanorei32%2Fdiscord-tts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b06edef9bd20a2c15d55477ac4b31720cdcdc919
[INFO] checking yanorei32/discord-tts against master#fe7294f8793d001bc3f9d197e7cdef6cdb46c15a for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanorei32%2Fdiscord-tts" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/yanorei32/discord-tts
[INFO] finished tweaking git repo https://github.com/yanorei32/discord-tts
[INFO] tweaked toml for git repo https://github.com/yanorei32/discord-tts written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yanorei32/discord-tts on toolchain fe7294f8793d001bc3f9d197e7cdef6cdb46c15a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yanorei32/discord-tts 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" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to parse lock file at: /workspace/builds/worker-3-tc1/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   package `tungstenite` is specified twice in the lockfile


overridden task result to prepare-fail:unknown

Caused by:
    the crate has a broken lockfile: 
    
    error: failed to parse lock file at: /workspace/builds/worker-3-tc1/source/Cargo.lock
    
    Caused by:
      package `tungstenite` is specified twice in the lockfile