[INFO] cloning repository https://github.com/dirvine/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dirvine/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirvine%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirvine%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cd81d1622dab065084d750322e41f4392ffb90b
[INFO] checking dirvine/rust_playground against master#3645249d79dfb136b5d8de3ce153d19d6698d92d for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirvine%2Frust_playground" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dirvine/rust_playground
[INFO] finished tweaking git repo https://github.com/dirvine/rust_playground
[INFO] tweaked toml for git repo https://github.com/dirvine/rust_playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dirvine/rust_playground 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/dirvine/rust_playground 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]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.2.4
[INFO] [stderr]   Downloaded gcc v0.1.7
[INFO] [stderr]   Downloaded time v0.1.17
[INFO] [stderr]   Downloaded rand v0.1.3
[INFO] [stderr]   Downloaded semver v0.1.15
[INFO] [stderr]   Downloaded pnacl-build-helper v1.3.2
[INFO] [stderr]   Downloaded matches v0.1.2
[INFO] [stderr]   Downloaded mime v0.0.8
[INFO] [stderr]   Downloaded gcc v0.2.1
[INFO] [stderr]   Downloaded plugin v0.2.1
[INFO] [stderr]   Downloaded libc v0.1.2
[INFO] [stderr]   Downloaded unsafe-any v0.2.2
[INFO] [stderr]   Downloaded openssl v0.4.3
[INFO] [stderr]   Downloaded typeable v0.0.8
[INFO] [stderr]   Downloaded hyper v0.2.0
[INFO] [stderr]   Downloaded cookie v0.1.12
[INFO] [stderr]   Downloaded iron v0.1.8
[INFO] [stderr]   Downloaded rust-crypto v0.2.18
[INFO] [stderr]   Downloaded pkg-config v0.2.2
[INFO] [stderr]   Downloaded unicase v0.0.5
[INFO] [stderr]   Downloaded modifier v0.0.9
[INFO] [stderr]   Downloaded typemap v0.0.9
[INFO] [stderr]   Downloaded rustc-serialize v0.2.15
[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
     Downloading crates ...
      Downloaded log v0.2.4
      Downloaded gcc v0.1.7
      Downloaded time v0.1.17
      Downloaded rand v0.1.3
      Downloaded semver v0.1.15
      Downloaded pnacl-build-helper v1.3.2
      Downloaded matches v0.1.2
      Downloaded mime v0.0.8
      Downloaded gcc v0.2.1
      Downloaded plugin v0.2.1
      Downloaded libc v0.1.2
      Downloaded unsafe-any v0.2.2
      Downloaded openssl v0.4.3
      Downloaded typeable v0.0.8
      Downloaded hyper v0.2.0
      Downloaded cookie v0.1.12
      Downloaded iron v0.1.8
      Downloaded rust-crypto v0.2.18
      Downloaded pkg-config v0.2.2
      Downloaded unicase v0.0.5
      Downloaded modifier v0.0.9
      Downloaded typemap v0.0.9
      Downloaded rustc-serialize v0.2.15
      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