[INFO] fetching crate vikos 0.3.1... [INFO] testing vikos-0.3.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate vikos 0.3.1 into /workspace/builds/worker-33/source [INFO] validating manifest of crates.io crate vikos 0.3.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vikos 0.3.1 [INFO] finished tweaking crates.io crate vikos 0.3.1 [INFO] tweaked toml for crates.io crate vikos 0.3.1 written to /workspace/builds/worker-33/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d5084504df989497fc048f00caf22bb91ac322130593f2f3a5393b945149fbcc [INFO] running `Command { std: "docker" "start" "-a" "d5084504df989497fc048f00caf22bb91ac322130593f2f3a5393b945149fbcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d5084504df989497fc048f00caf22bb91ac322130593f2f3a5393b945149fbcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5084504df989497fc048f00caf22bb91ac322130593f2f3a5393b945149fbcc", kill_on_drop: false }` [INFO] [stdout] d5084504df989497fc048f00caf22bb91ac322130593f2f3a5393b945149fbcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c400a7479395ce604eda4beb39e74f5960f69aa4b465200215019c48da046c91 [INFO] running `Command { std: "docker" "start" "-a" "c400a7479395ce604eda4beb39e74f5960f69aa4b465200215019c48da046c91", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling vikos v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cost.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.96s [INFO] running `Command { std: "docker" "inspect" "c400a7479395ce604eda4beb39e74f5960f69aa4b465200215019c48da046c91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c400a7479395ce604eda4beb39e74f5960f69aa4b465200215019c48da046c91", kill_on_drop: false }` [INFO] [stdout] c400a7479395ce604eda4beb39e74f5960f69aa4b465200215019c48da046c91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0a93a794b6202a4c404e008ba4c33d13cd2fd6820149bdb565d4aad67eba9bd [INFO] running `Command { std: "docker" "start" "-a" "c0a93a794b6202a4c404e008ba4c33d13cd2fd6820149bdb565d4aad67eba9bd", kill_on_drop: false }` [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cost.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling vikos v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cost.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cost.rs:117:40 [INFO] [stdout] | [INFO] [stdout] 117 | fn approx_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Cost` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cost.rs:129:39 [INFO] [stdout] | [INFO] [stdout] 129 | fn check_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Cost` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.74s [INFO] running `Command { std: "docker" "inspect" "c0a93a794b6202a4c404e008ba4c33d13cd2fd6820149bdb565d4aad67eba9bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0a93a794b6202a4c404e008ba4c33d13cd2fd6820149bdb565d4aad67eba9bd", kill_on_drop: false }` [INFO] [stdout] c0a93a794b6202a4c404e008ba4c33d13cd2fd6820149bdb565d4aad67eba9bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ad70050663dae1a1be62d400f2f160dc1fe95e127dfd4cee5ab5cd9caf1ee0ca [INFO] running `Command { std: "docker" "start" "-a" "ad70050663dae1a1be62d400f2f160dc1fe95e127dfd4cee5ab5cd9caf1ee0ca", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stdout] [INFO] [stderr] --> src/cost.rs:78:9 [INFO] [stdout] running 4 tests [INFO] [stderr] | [INFO] [stdout] test cost::test::least_absolute_derivation ... ok [INFO] [stderr] 78 | ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] test cost::test::least_squares_derivation ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] test cost::test::neg_log_likelihood_derivation ... ok [INFO] [stderr] | [INFO] [stdout] test linear_algebra::tests::dot ... ok [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] [INFO] [stderr] --> src/cost.rs:117:40 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 12 tests [INFO] [stderr] 117 | fn approx_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Cost` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/cost.rs:129:39 [INFO] [stderr] | [INFO] [stderr] 129 | fn check_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Cost` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `vikos` (lib) generated 1 warning [INFO] [stderr] warning: `vikos` (lib test) generated 3 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/vikos-d3476347e0b2b406) [INFO] [stderr] Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-4694d7e9b07c47da) [INFO] [stdout] test estimate_mean ... ok [INFO] [stdout] test generalized_linear_model_as_logistic_regression ... ok [INFO] [stdout] test estimate_median ... ok [INFO] [stdout] test linear_stochastic_gradient_descent ... ok [INFO] [stdout] test linear_stochastic_gradient_descent_iter ... ok [INFO] [stdout] test logistic_adagard_2d_max_likelihood_bool ... ok [INFO] [stdout] test logistic_sgd_2d_least_squares ... ok [INFO] [stdout] test logistic_sgd_2d_max_likelihood ... ok [INFO] [stdout] test logistic_sgd_2d_max_likelihood_bool ... ok [INFO] [stdout] test linear_sgd_2d ... ok [INFO] [stdout] test linear_nesterov_2d ... ok [INFO] [stdout] test iris ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Doc-tests vikos [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/cost.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/tutorial.rs - tutorial (line 13) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 61) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 29) ... ok [INFO] [stdout] test src/model.rs - model::GeneralizedLinearModel (line 154) ... ok [INFO] [stdout] test src/cost.rs - cost::MaxLikelihood (line 49) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 120) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 86) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ad70050663dae1a1be62d400f2f160dc1fe95e127dfd4cee5ab5cd9caf1ee0ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad70050663dae1a1be62d400f2f160dc1fe95e127dfd4cee5ab5cd9caf1ee0ca", kill_on_drop: false }` [INFO] [stdout] ad70050663dae1a1be62d400f2f160dc1fe95e127dfd4cee5ab5cd9caf1ee0ca