[INFO] fetching crate fferris 0.0.0...
[INFO] checking fferris-0.0.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] extracting crate fferris 0.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate fferris 0.0.0
[INFO] finished tweaking crates.io crate fferris 0.0.0
[INFO] tweaked toml for crates.io crate fferris 0.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fferris 0.0.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `fferris-sys`.
[INFO] [stderr]     ... required by package `fferris v0.0.0 (/workspace/builds/worker-5-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.0.0` are: 0.0.0
[INFO] [stderr] 
[INFO] [stderr] package `fferris` depends on `fferris-sys` with feature `avfilter` but `fferris-sys` does not have that feature.
[INFO] [stderr]  available features: __bindgen, avcodec, avdevice, avformat, default
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `fferris-sys` which could resolve this conflict


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for `fferris-sys`.
    ... required by package `fferris v0.0.0 (/workspace/builds/worker-5-tc1/source)`
versions that meet the requirements `^0.0.0` are: 0.0.0

package `fferris` depends on `fferris-sys` with feature `avfilter` but `fferris-sys` does not have that feature.
 available features: __bindgen, avcodec, avdevice, avformat, default


failed to select a version for `fferris-sys` which could resolve this conflict