[INFO] fetching crate ternary-ensemble 0.1.0...
[INFO] testing ternary-ensemble-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate ternary-ensemble 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ternary-ensemble 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ternary-ensemble 0.1.0
[INFO] tweaked toml for crates.io crate ternary-ensemble 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ternary-ensemble 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ternary-ensemble 0.1.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68
[INFO] running `Command { std: "docker" "start" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling ternary-ensemble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/boosting.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stdout]    |                                              ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stdout] 84 +                     sample_weights[s_idx] *= 1.0 + self.learning_rate;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/boosting.rs:86:46
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stdout]    |                                              ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 -                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stdout] 86 +                     sample_weights[s_idx] *= 1.0 - self.learning_rate * 0.5;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `noise_seed` is never read
[INFO] [stdout]   --> src/agent.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WeakAgent {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     noise_seed: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WeakAgent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/boosting.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stdout]    |                                              ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stdout] 84 +                     sample_weights[s_idx] *= 1.0 + self.learning_rate;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ternary-ensemble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/boosting.rs:86:46
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stdout]    |                                              ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 -                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stdout] 86 +                     sample_weights[s_idx] *= 1.0 - self.learning_rate * 0.5;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `noise_seed` is never read
[INFO] [stdout]   --> src/agent.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WeakAgent {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     noise_seed: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WeakAgent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/boosting.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stdout]    |                                              ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stdout] 84 +                     sample_weights[s_idx] *= 1.0 + self.learning_rate;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/boosting.rs:86:46
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stdout]    |                                              ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 -                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stdout] 86 +                     sample_weights[s_idx] *= 1.0 - self.learning_rate * 0.5;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/integration.rs:277:10
[INFO] [stdout]     |
[INFO] [stdout] 277 |     for (i, agent_acc, ens_acc) in &comparisons {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `noise_seed` is never read
[INFO] [stdout]   --> src/agent.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WeakAgent {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     noise_seed: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WeakAgent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/boosting.rs:84:46
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stderr]    |                                              ^                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 84 -                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stderr] 84 +                     sample_weights[s_idx] *= 1.0 + self.learning_rate;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/boosting.rs:86:46
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stderr]    |                                              ^                              ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 86 -                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stderr] 86 +                     sample_weights[s_idx] *= 1.0 - self.learning_rate * 0.5;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `noise_seed` is never read
[INFO] [stderr]   --> src/agent.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct WeakAgent {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 20 |     noise_seed: u64,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WeakAgent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ternary-ensemble` (lib) generated 3 warnings (run `cargo fix --lib -p ternary-ensemble` to apply 2 suggestions)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/integration.rs:277:10
[INFO] [stderr]     |
[INFO] [stderr] 277 |     for (i, agent_acc, ens_acc) in &comparisons {
[INFO] [stderr]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ternary-ensemble` (test "integration") generated 1 warning (run `cargo fix --test "integration" -p ternary-ensemble` to apply 1 suggestion)
[INFO] [stderr] warning: `ternary-ensemble` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ternary_ensemble-adc6da3f1a8628fd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-7691ed04a46da2f4)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test_evaluator_accuracy ... ok
[INFO] [stdout] test test_evaluator_compare ... ok
[INFO] [stdout] test test_evaluator_detailed ... ok
[INFO] [stdout] test test_evaluator_improvement ... ok
[INFO] [stdout] test test_ranked_vote ... ok
[INFO] [stdout] test test_majority_vote ... ok
[INFO] [stdout] test test_weak_agent_predict_with_confidence ... ok
[INFO] [stdout] test test_stacking_ensemble ... ok
[INFO] [stdout] test test_weighted_vote ... ok
[INFO] [stdout] test test_weak_agent_predict ... ok
[INFO] [stdout] test test_boosting_combiner_fit_and_predict ... ok
[INFO] [stdout] test test_weak_agent_predict_batch ... ok
[INFO] [stdout] test test_stacking_fit_and_predict ... ok
[INFO] [stdout] test test_stacking_unfitted_falls_back_to_majority ... ok
[INFO] [stdout] test test_ternary_sample_valid_labels ... ok
[INFO] [stdout] test test_evaluator_precision_recall ... ok
[INFO] [stdout] test test_ensemble_voting_majority ... ok
[INFO] [stdout] test test_weak_agent_with_accuracy ... ok
[INFO] [stdout] test test_ensemble_predict_batch ... ok
[INFO] [stdout] test test_weak_agent_creation ... ok
[INFO] [stdout] test test_boosting_ensemble ... ok
[INFO] [stdout] test test_ensemble_empty_panics ... ok
[INFO] [stdout] test test_ternary_sample_invalid_label ... ok
[INFO] [stderr]    Doc-tests ternary_ensemble
[INFO] [stdout] test test_weak_agent_accuracy_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/boosting.rs:84:46
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stderr]    |                                              ^                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 84 -                     sample_weights[s_idx] *= (1.0 + self.learning_rate);
[INFO] [stderr] 84 +                     sample_weights[s_idx] *= 1.0 + self.learning_rate;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/boosting.rs:86:46
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stderr]    |                                              ^                              ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 86 -                     sample_weights[s_idx] *= (1.0 - self.learning_rate * 0.5);
[INFO] [stderr] 86 +                     sample_weights[s_idx] *= 1.0 - self.learning_rate * 0.5;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68", kill_on_drop: false }`
[INFO] [stdout] 29443d328eaff70f4bfd4df3c95e64e005b3b15bb8e7a2921b25f4497c8c6b68
