[INFO] fetching crate cardinality-estimator-safe 4.0.2...
[INFO] checking cardinality-estimator-safe-4.0.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate cardinality-estimator-safe 4.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cardinality-estimator-safe 4.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cardinality-estimator-safe 4.0.2
[INFO] tweaked toml for crates.io crate cardinality-estimator-safe 4.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cardinality-estimator-safe 4.0.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cardinality-estimator-safe 4.0.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: method `merge` is never used
[INFO] [stdout]    --> benches/cardinality_estimator.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | trait CardinalityEstimatorTrait<T: Hash + ?Sized> {
[INFO] [stdout]     |       ------------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn merge(&mut self, rhs: &Self);
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
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