[INFO] fetching crate plato-deadband 0.1.1...
[INFO] testing plato-deadband-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate plato-deadband 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate plato-deadband 0.1.1
[INFO] finished tweaking crates.io crate plato-deadband 0.1.1
[INFO] tweaked toml for crates.io crate plato-deadband 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate plato-deadband 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a67d85262de68d64dd0cc6f0fda04719ba26793e18d709dd2a095b8bc7e0839
[INFO] running `Command { std: "docker" "start" "-a" "5a67d85262de68d64dd0cc6f0fda04719ba26793e18d709dd2a095b8bc7e0839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a67d85262de68d64dd0cc6f0fda04719ba26793e18d709dd2a095b8bc7e0839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a67d85262de68d64dd0cc6f0fda04719ba26793e18d709dd2a095b8bc7e0839", kill_on_drop: false }`
[INFO] [stdout] 5a67d85262de68d64dd0cc6f0fda04719ba26793e18d709dd2a095b8bc7e0839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d32cc1af1b9708176e4efde13f7dc2935df311828a78641e0681c295a5e8e376
[INFO] running `Command { std: "docker" "start" "-a" "d32cc1af1b9708176e4efde13f7dc2935df311828a78641e0681c295a5e8e376", kill_on_drop: false }`
[INFO] [stderr]    Compiling plato-deadband v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `best_opt`
[INFO] [stdout]    --> src/lib.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let best_opt = recommended_channel.as_ref().and_then(|ch| self.best_optimization(ch));
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_opt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d32cc1af1b9708176e4efde13f7dc2935df311828a78641e0681c295a5e8e376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32cc1af1b9708176e4efde13f7dc2935df311828a78641e0681c295a5e8e376", kill_on_drop: false }`
[INFO] [stdout] d32cc1af1b9708176e4efde13f7dc2935df311828a78641e0681c295a5e8e376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2befa84beb620c9d967d7f5909721d33aaac09ede00d187e18b3aeee11de6a7
[INFO] running `Command { std: "docker" "start" "-a" "b2befa84beb620c9d967d7f5909721d33aaac09ede00d187e18b3aeee11de6a7", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `best_opt`
[INFO] [stdout]    --> src/lib.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let best_opt = recommended_channel.as_ref().and_then(|ch| self.best_optimization(ch));
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_opt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plato-deadband v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `best_opt`
[INFO] [stdout]    --> src/lib.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let best_opt = recommended_channel.as_ref().and_then(|ch| self.best_optimization(ch));
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_opt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "b2befa84beb620c9d967d7f5909721d33aaac09ede00d187e18b3aeee11de6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2befa84beb620c9d967d7f5909721d33aaac09ede00d187e18b3aeee11de6a7", kill_on_drop: false }`
[INFO] [stdout] b2befa84beb620c9d967d7f5909721d33aaac09ede00d187e18b3aeee11de6a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab7a1c587e134f3b6e1f98e1355cd1f62a75ad01ac4ec63459d253fe0d0bc8b6
[INFO] running `Command { std: "docker" "start" "-a" "ab7a1c587e134f3b6e1f98e1355cd1f62a75ad01ac4ec63459d253fe0d0bc8b6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `best_opt`
[INFO] [stderr]    --> src/lib.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let best_opt = recommended_channel.as_ref().and_then(|ch| self.best_optimization(ch));
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_opt`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `plato-deadband` (lib) generated 1 warning (run `cargo fix --lib -p plato-deadband` to apply 1 suggestion)
[INFO] [stderr] warning: `plato-deadband` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/plato_deadband-79981617e5380cd5)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test tests::test_best_opt_for_nonexistent_channel ... ok
[INFO] [stdout] test tests::test_confirm_negative ... ok
[INFO] [stdout] test tests::test_case_insensitive_p0 ... ok
[INFO] [stdout] test tests::test_execute_p0_blocked ... ok
[INFO] [stdout] test tests::test_execute_p1_blocked ... ok
[INFO] [stdout] test tests::test_confirm_nonexistent ... ok
[INFO] [stdout] test tests::test_full_check_p0_failed ... ok
[INFO] [stdout] test tests::test_execute_success ... ok
[INFO] [stdout] test tests::test_full_check_p1_failed ... ok
[INFO] [stdout] test tests::test_mark_and_find_channel ... ok
[INFO] [stdout] test tests::test_metrics ... ok
[INFO] [stdout] test tests::test_learn_negative ... ok
[INFO] [stdout] test tests::test_p0_clear ... ok
[INFO] [stdout] test tests::test_recommended_channel ... ok
[INFO] [stdout] test tests::test_p1_clear ... ok
[INFO] [stdout] test tests::test_p0_violation_list ... ok
[INFO] [stdout] test tests::test_optimize ... ok
[INFO] [stdout] test tests::test_full_check_passed ... ok
[INFO] [stdout] test tests::test_priority_ordering ... ok
[INFO] [stdout] test tests::test_use_channel ... ok
[INFO] [stdout] test tests::test_severity_clamped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests plato_deadband
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 17) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `DeadbandEngine` in this scope
[INFO] [stdout]   --> src/lib.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | let db = DeadbandEngine::new();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ use of undeclared type `DeadbandEngine`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 17)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ab7a1c587e134f3b6e1f98e1355cd1f62a75ad01ac4ec63459d253fe0d0bc8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7a1c587e134f3b6e1f98e1355cd1f62a75ad01ac4ec63459d253fe0d0bc8b6", kill_on_drop: false }`
[INFO] [stdout] ab7a1c587e134f3b6e1f98e1355cd1f62a75ad01ac4ec63459d253fe0d0bc8b6
