[INFO] fetching crate corescout-counterfactual 1.2.0...
[INFO] testing corescout-counterfactual-1.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate corescout-counterfactual 1.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate corescout-counterfactual 1.2.0
[INFO] finished tweaking crates.io crate corescout-counterfactual 1.2.0
[INFO] tweaked toml for crates.io crate corescout-counterfactual 1.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate corescout-counterfactual 1.2.0 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 corescout-counterfactual 1.2.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded corescout-selfmodel v1.2.0
[INFO] [stderr]   Downloaded corescout-core v1.2.0
[INFO] [stderr]   Downloaded corescout-mirror v1.2.0
[INFO] [stderr]   Downloaded corescout-represent v1.2.0
[INFO] [stderr]   Downloaded corescout-memory v1.2.0
[INFO] [stderr]   Downloaded corescout-intent v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b
[INFO] running `Command { std: "docker" "start" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b", 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" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b" "/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" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b", 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" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling corescout-core v1.2.0
[INFO] [stderr]    Compiling corescout-mirror v1.2.0
[INFO] [stderr]    Compiling corescout-intent v1.2.0
[INFO] [stderr]    Compiling corescout-memory v1.2.0
[INFO] [stderr]    Compiling corescout-represent v1.2.0
[INFO] [stderr]    Compiling corescout-selfmodel v1.2.0
[INFO] [stderr]    Compiling corescout-counterfactual v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 16.24s
[INFO] running `Command { std: "docker" "inspect" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b", 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" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling corescout-counterfactual v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b", 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" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/corescout_counterfactual-1dc703b9938243d8)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test effects::tests::a_measure_applies_predicted_deltas ... ok
[INFO] [stdout] test effects::tests::knowledge_transfers_to_an_untried_target_with_less_confidence ... ok
[INFO] [stdout] test outcome::tests::a_well_supported_improvement_is_actionable ... ok
[INFO] [stdout] test outcome::tests::confidence_needs_both_evidence_and_consistency ... ok
[INFO] [stdout] test outcome::tests::an_unknown_outcome_says_nothing ... ok
[INFO] [stdout] test outcome::tests::an_unsupported_prediction_is_not_acted_on_however_good_it_looks ... ok
[INFO] [stdout] test outcome::tests::migration_tolerance_gates_action ... ok
[INFO] [stdout] test effects::tests::an_untried_action_yields_no_prediction ... ok
[INFO] [stdout] test effects::tests::a_repeated_effect_is_learned_and_predicted ... ok
[INFO] [stdout] test outcome::tests::an_unpredictable_objective_yields_no_score_rather_than_zero ... ok
[INFO] [stdout] test effects::tests::candidates_are_ranked_by_predicted_improvement ... ok
[INFO] [stdout] test outcome::tests::support_distinguishes_evidence_from_extrapolation ... ok
[INFO] [stdout] test effects::tests::reliably_doing_nothing_is_a_consistent_effect ... ok
[INFO] [stdout] test effects::tests::learning_across_an_epoch_change_is_refused ... ok
[INFO] [stdout] test outcome::tests::a_constraint_violation_is_absolute_not_penalised ... ok
[INFO] [stdout] test effects::tests::an_effect_model_survives_serialisation ... ok
[INFO] [stdout] test effects::tests::effects_are_attributed_to_the_acted_on_entity_only ... ok
[INFO] [stderr]    Doc-tests corescout_counterfactual
[INFO] [stdout] test effects::tests::an_inconsistent_effect_earns_little_confidence ... ok
[INFO] [stdout] test outcome::tests::improvement_is_oriented_so_positive_is_always_better ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b", kill_on_drop: false }`
[INFO] [stdout] e4b6a851b78bac142ae7f2d0c6b88f7865371ffb4925e27c28089d4e1f1b732b
