[INFO] cloning repository https://github.com/BenTheElder/slack-rs-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenTheElder/slack-rs-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenTheElder%2Fslack-rs-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenTheElder%2Fslack-rs-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f04a8cc51813eb415f5ef76b3604dee43153dcc
[INFO] checking BenTheElder/slack-rs-demo against master#3645249d79dfb136b5d8de3ce153d19d6698d92d for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenTheElder%2Fslack-rs-demo" "/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/BenTheElder/slack-rs-demo
[INFO] finished tweaking git repo https://github.com/BenTheElder/slack-rs-demo
[INFO] tweaked toml for git repo https://github.com/BenTheElder/slack-rs-demo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BenTheElder/slack-rs-demo on toolchain 3645249d79dfb136b5d8de3ce153d19d6698d92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BenTheElder/slack-rs-demo 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" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.14
[INFO] [stderr]   Downloaded libc v0.1.0
[INFO] [stderr]   Downloaded openssl v0.2.17
[INFO] [stderr]   Downloaded bitflags v0.1.0
[INFO] [stderr]   Downloaded websocket v0.10.1
[INFO] [stderr]   Downloaded regex v0.1.10
[INFO] [stderr]   Downloaded mucell v0.1.11
[INFO] [stderr]   Downloaded unicase v0.0.3
[INFO] [stderr]   Downloaded unsafe-any v0.2.1
[INFO] [stderr]   Downloaded pnacl-build-helper v1.3.1
[INFO] [stderr]   Downloaded pkg-config v0.1.6
[INFO] [stderr]   Downloaded openssl-sys v0.2.17
[INFO] [stderr]   Downloaded matches v0.1.2
[INFO] [stderr]   Downloaded gcc v0.1.6
[INFO] [stderr]   Downloaded libressl-pnacl-sys v2.1.4
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libressl-pnacl-sys-2.1.4/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   library target names cannot contain hyphens: libressl-pnacl-sys


overridden task result to prepare-fail:unknown

Caused by:
    broken dependencies: 
    
    warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
        Updating crates.io index
        Blocking waiting for file lock on package cache
        Blocking waiting for file lock on package cache
     Downloading crates ...
      Downloaded time v0.1.14
      Downloaded libc v0.1.0
      Downloaded openssl v0.2.17
      Downloaded bitflags v0.1.0
      Downloaded websocket v0.10.1
      Downloaded regex v0.1.10
      Downloaded mucell v0.1.11
      Downloaded unicase v0.0.3
      Downloaded unsafe-any v0.2.1
      Downloaded pnacl-build-helper v1.3.1
      Downloaded pkg-config v0.1.6
      Downloaded openssl-sys v0.2.17
      Downloaded matches v0.1.2
      Downloaded gcc v0.1.6
      Downloaded libressl-pnacl-sys v2.1.4
    error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libressl-pnacl-sys-2.1.4/Cargo.toml`
    
    Caused by:
      library target names cannot contain hyphens: libressl-pnacl-sys