[INFO] fetching crate ttv-tmi 0.1.1...
[INFO] checking ttv-tmi-0.1.1 against master#f00b02e6bbe63707503f058fb87cc3e2b25991ac for pr-125596
[INFO] extracting crate ttv-tmi 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ttv-tmi 0.1.1 on toolchain f00b02e6bbe63707503f058fb87cc3e2b25991ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ttv-tmi 0.1.1
[INFO] finished tweaking crates.io crate ttv-tmi 0.1.1
[INFO] tweaked toml for crates.io crate ttv-tmi 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "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 `twitch_api2`.
[INFO] [stderr]     ... required by package `ttv-tmi v0.1.1 (/workspace/builds/worker-0-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.5.0-alpha.2` are: 0.5.0
[INFO] [stderr] 
[INFO] [stderr] the package `ttv-tmi` depends on `twitch_api2`, with features: `allow_unknown_fields` but `twitch_api2` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `twitch_api2` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.