[INFO] cloning repository https://github.com/jackgerrits/reductionml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackgerrits/reductionml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackgerrits%2Freductionml", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba3bd2a1996b030e4a6e408ab8309ca2b0a885eb
[INFO] checking jackgerrits/reductionml against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackgerrits%2Freductionml" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackgerrits/reductionml on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jackgerrits/reductionml
[INFO] finished tweaking git repo https://github.com/jackgerrits/reductionml
[INFO] tweaked toml for git repo https://github.com/jackgerrits/reductionml written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jackgerrits/reductionml 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `reduction_registry::REDUCTION_REGISTRY`
[INFO] [stdout]    --> reductionml-core/src/reduction_factory.rs:210:57
[INFO] [stdout]     |
[INFO] [stdout] 210 |     use crate::{reduction_factory::JsonReductionConfig, reduction_registry::REDUCTION_REGISTRY};
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking reductionml-docs-extension v0.1.0 (/opt/rustwide/workdir/utils/reductionml-docs-extension)
[INFO] [stderr]     Checking reductionml-cli v0.1.0 (/opt/rustwide/workdir/reductionml-cli)
[INFO] [stderr]     Checking reductionml-python v0.1.0 (/opt/rustwide/workdir/reductionml-python)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.50s
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[INFO] [stdout] 525d08ca7ba14fda839e5ef64e6d524615d578ac328e5f9ebee98fe6e2ed012f