[INFO] fetching crate himpp 0.3.1...
[INFO] testing himpp-0.3.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate himpp 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate himpp 0.3.1
[INFO] finished tweaking crates.io crate himpp 0.3.1
[INFO] tweaked toml for crates.io crate himpp 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate himpp 0.3.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate himpp 0.3.1 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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 v0.54.0`
[INFO] [stderr]     ... which satisfies dependency `bindgen = "^0.54"` of package `ffav-sys v4.3.1`
[INFO] [stderr]     ... which satisfies dependency `ffav-sys = "^4.3"` (locked to 4.3.1) of package `ffav v4.3.4`
[INFO] [stderr]     ... which satisfies dependency `ffav = "^4.3"` (locked to 4.3.4) of package `himpp v0.3.1 (/workspace/builds/worker-6-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.29` are: 0.29.3, 0.29.2, 0.29.1, 0.29.0
[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 v1.0.0`
[INFO] [stderr]     ... which satisfies dependency `clang-sys = "^1"` (locked to 1.0.0) of package `bindgen v0.55.1`
[INFO] [stderr]     ... which satisfies dependency `bindgen = "^0.55"` (locked to 0.55.1) of package `himpp v0.3.1 (/workspace/builds/worker-6-tc1/source)`
[INFO] [stderr] note: only one package in the dependency graph may specify the same links value to ensure that only one copy of a native library is linked in the final binary
[INFO] [stderr] for more information, see https://doc.rust-lang.org/cargo/reference/resolver.html#links
[INFO] [stderr] help: try to adjust your dependencies so that only one package uses the `links = "clang"` value
[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 v0.54.0`
           ... which satisfies dependency `bindgen = "^0.54"` of package `ffav-sys v4.3.1`
           ... which satisfies dependency `ffav-sys = "^4.3"` (locked to 4.3.1) of package `ffav v4.3.4`
           ... which satisfies dependency `ffav = "^4.3"` (locked to 4.3.4) of package `himpp v0.3.1 (/workspace/builds/worker-6-tc1/source)`
       versions that meet the requirements `^0.29` are: 0.29.3, 0.29.2, 0.29.1, 0.29.0
       
       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 v1.0.0`
           ... which satisfies dependency `clang-sys = "^1"` (locked to 1.0.0) of package `bindgen v0.55.1`
           ... which satisfies dependency `bindgen = "^0.55"` (locked to 0.55.1) of package `himpp v0.3.1 (/workspace/builds/worker-6-tc1/source)`
       note: only one package in the dependency graph may specify the same links value to ensure that only one copy of a native library is linked in the final binary
       for more information, see https://doc.rust-lang.org/cargo/reference/resolver.html#links
       help: try to adjust your dependencies so that only one package uses the `links = "clang"` value
       
       failed to select a version for `clang-sys` which could resolve this conflict