[INFO] cloning repository https://github.com/duvallj/facestuff-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duvallj/facestuff-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvallj%2Ffacestuff-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvallj%2Ffacestuff-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb86f0370d3df1cbefb0a8d4cc5093d299e86f2f
[INFO] checking duvallj/facestuff-rust against master#3645249d79dfb136b5d8de3ce153d19d6698d92d for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvallj%2Ffacestuff-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/duvallj/facestuff-rust
[INFO] finished tweaking git repo https://github.com/duvallj/facestuff-rust
[INFO] tweaked toml for git repo https://github.com/duvallj/facestuff-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/duvallj/facestuff-rust 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/duvallj/facestuff-rust 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]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `clang-sys`.
[INFO] [stderr]     ... required by package `bindgen v0.32.3`
[INFO] [stderr]     ... which satisfies dependency `bindgen = "^0.32"` (locked to 0.32.3) of package `coreaudio-sys v0.2.2`
[INFO] [stderr]     ... which satisfies dependency `coreaudio-sys = "^0.2"` (locked to 0.2.2) of package `coreaudio-rs v0.9.1`
[INFO] [stderr]     ... which satisfies dependency `coreaudio-rs = "^0.9.1"` (locked to 0.9.1) of package `cpal v0.11.0`
[INFO] [stderr]     ... which satisfies dependency `cpal = "^0.11"` (locked to 0.11.0) of package `rodio v0.11.0`
[INFO] [stderr]     ... which satisfies dependency `rodio = "^0.11.0"` (locked to 0.11.0) of package `tetra v0.5.2`
[INFO] [stderr]     ... which satisfies dependency `tetra = "^0.5"` (locked to 0.5.2) of package `facestuff-rust v0.1.0 (/workspace/builds/worker-3-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.21.0` (locked to 0.21.2) are: 0.21.2
[INFO] [stderr] 
[INFO] [stderr] package `clang-sys` links to the native library `clang`, but it conflicts with a previous package which links to `clang` as well:
[INFO] [stderr] package `clang-sys v1.0.1`
[INFO] [stderr]     ... which satisfies dependency `clang-sys = "^1"` (locked to 1.0.1) of package `clang v1.0.2`
[INFO] [stderr]     ... which satisfies dependency `clang = "^1.0"` (locked to 1.0.2) of package `opencv v0.46.2`
[INFO] [stderr]     ... which satisfies dependency `opencv = "^0.46"` (locked to 0.46.2) of package `facestuff-rust v0.1.0 (/workspace/builds/worker-3-tc1/source)`
[INFO] [stderr] Only one package in the dependency graph may specify the same links value. This helps ensure that only one copy of a native library is linked in the final binary. Try to adjust your dependencies so that only one package uses the `links = "clang"` value. For more information, see https://doc.rust-lang.org/cargo/reference/resolver.html#links.
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `clang-sys` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Updating crates.io index
       error: failed to select a version for `clang-sys`.
           ... required by package `bindgen v0.32.3`
           ... which satisfies dependency `bindgen = "^0.32"` (locked to 0.32.3) of package `coreaudio-sys v0.2.2`
           ... which satisfies dependency `coreaudio-sys = "^0.2"` (locked to 0.2.2) of package `coreaudio-rs v0.9.1`
           ... which satisfies dependency `coreaudio-rs = "^0.9.1"` (locked to 0.9.1) of package `cpal v0.11.0`
           ... which satisfies dependency `cpal = "^0.11"` (locked to 0.11.0) of package `rodio v0.11.0`
           ... which satisfies dependency `rodio = "^0.11.0"` (locked to 0.11.0) of package `tetra v0.5.2`
           ... which satisfies dependency `tetra = "^0.5"` (locked to 0.5.2) of package `facestuff-rust v0.1.0 (/workspace/builds/worker-3-tc1/source)`
       versions that meet the requirements `^0.21.0` (locked to 0.21.2) are: 0.21.2
       
       package `clang-sys` links to the native library `clang`, but it conflicts with a previous package which links to `clang` as well:
       package `clang-sys v1.0.1`
           ... which satisfies dependency `clang-sys = "^1"` (locked to 1.0.1) of package `clang v1.0.2`
           ... which satisfies dependency `clang = "^1.0"` (locked to 1.0.2) of package `opencv v0.46.2`
           ... which satisfies dependency `opencv = "^0.46"` (locked to 0.46.2) of package `facestuff-rust v0.1.0 (/workspace/builds/worker-3-tc1/source)`
       Only one package in the dependency graph may specify the same links value. This helps ensure that only one copy of a native library is linked in the final binary. Try to adjust your dependencies so that only one package uses the `links = "clang"` value. For more information, see https://doc.rust-lang.org/cargo/reference/resolver.html#links.
       
       failed to select a version for `clang-sys` which could resolve this conflict