[INFO] fetching crate chomp 0.3.1...
[INFO] checking chomp-0.3.1 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate chomp 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate chomp 0.3.1 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chomp 0.3.1
[INFO] finished tweaking crates.io crate chomp 0.3.1
[INFO] tweaked toml for crates.io crate chomp 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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 `debugtrace`.
[INFO] [stderr]     ... required by package `chomp v0.3.1 (/workspace/builds/worker-6-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.1.0` are: 0.1.0
[INFO] [stderr] 
[INFO] [stderr] the package `chomp` depends on `debugtrace`, with features: `backtrace` but `debugtrace` does not have these features.
[INFO] [stderr]  It has a required dependency with that name, but only optional dependencies can be used as features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `debugtrace` which could resolve this conflict


ExecutionFailed(ExitStatus(unix_wait_status(25856)))