[INFO] fetching crate vikos 0.3.1... [INFO] testing vikos-0.3.1 against 1.59.0 for beta-1.60-1 [INFO] extracting crate vikos 0.3.1 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate vikos 0.3.1 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5fef16908be2ca3d7e821de37185c1ad19e18c0291315fb33c5cf9fd5c84077f [INFO] running `Command { std: "docker" "start" "-a" "5fef16908be2ca3d7e821de37185c1ad19e18c0291315fb33c5cf9fd5c84077f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fef16908be2ca3d7e821de37185c1ad19e18c0291315fb33c5cf9fd5c84077f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fef16908be2ca3d7e821de37185c1ad19e18c0291315fb33c5cf9fd5c84077f", kill_on_drop: false }` [INFO] [stdout] 5fef16908be2ca3d7e821de37185c1ad19e18c0291315fb33c5cf9fd5c84077f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ecee44844dcc17d5125993dc9b7b37eed4488a69a2cab447048d07f9493066a [INFO] running `Command { std: "docker" "start" "-a" "5ecee44844dcc17d5125993dc9b7b37eed4488a69a2cab447048d07f9493066a", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.44 [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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 78 - ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] 78 + (1.0 - truth) / (1.0 - prediction) - truth / prediction [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.17s [INFO] running `Command { std: "docker" "inspect" "5ecee44844dcc17d5125993dc9b7b37eed4488a69a2cab447048d07f9493066a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ecee44844dcc17d5125993dc9b7b37eed4488a69a2cab447048d07f9493066a", kill_on_drop: false }` [INFO] [stdout] 5ecee44844dcc17d5125993dc9b7b37eed4488a69a2cab447048d07f9493066a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 940bca6116affad89c3bce1488918335e56e7aa58ea69eea35136642974df171 [INFO] running `Command { std: "docker" "start" "-a" "940bca6116affad89c3bce1488918335e56e7aa58ea69eea35136642974df171", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 78 - ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] 78 + (1.0 - truth) / (1.0 - prediction) - truth / prediction [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling csv-core v0.1.10 [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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 78 - ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stdout] 78 + (1.0 - truth) / (1.0 - prediction) - truth / prediction [INFO] [stdout] | [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] | ^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 117 - fn approx_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stdout] 117 + fn approx_derivate(cost: &dyn Cost, prediction: f64, truth: T) -> f64 { [INFO] [stdout] | [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] | ^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 129 - fn check_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stdout] 129 + fn check_derivate(cost: &dyn Cost, prediction: f64, truth: T) -> f64 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.10s [INFO] running `Command { std: "docker" "inspect" "940bca6116affad89c3bce1488918335e56e7aa58ea69eea35136642974df171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "940bca6116affad89c3bce1488918335e56e7aa58ea69eea35136642974df171", kill_on_drop: false }` [INFO] [stdout] 940bca6116affad89c3bce1488918335e56e7aa58ea69eea35136642974df171 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 97947e2683dcf3c2078090858ad78a9b1a3b9d657a9cef5cefddad32808308cb [INFO] running `Command { std: "docker" "start" "-a" "97947e2683dcf3c2078090858ad78a9b1a3b9d657a9cef5cefddad32808308cb", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/cost.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 78 - ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stderr] 78 + (1.0 - truth) / (1.0 - prediction) - truth / prediction [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/cost.rs:117:40 [INFO] [stderr] | [INFO] [stderr] 117 | fn approx_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stderr] | ^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 117 - fn approx_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stderr] 117 + fn approx_derivate(cost: &dyn Cost, prediction: f64, truth: T) -> f64 { [INFO] [stderr] | [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] | ^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 129 - fn check_derivate(cost: &Cost, prediction: f64, truth: T) -> f64 { [INFO] [stderr] 129 + fn check_derivate(cost: &dyn Cost, prediction: f64, truth: T) -> f64 { [INFO] [stderr] | [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 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/vikos-a56aa574d9f6c524) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test cost::test::least_squares_derivation ... ok [INFO] [stdout] test cost::test::least_absolute_derivation ... ok [INFO] [stdout] test cost::test::neg_log_likelihood_derivation ... ok [INFO] [stdout] test linear_algebra::tests::dot ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-209368ac686bd361) [INFO] [stdout] [INFO] [stdout] running 12 tests [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_sgd_2d_least_squares ... ok [INFO] [stdout] test logistic_adagard_2d_max_likelihood_bool ... ok [INFO] [stdout] test logistic_sgd_2d_max_likelihood ... ok [INFO] [stdout] test logistic_sgd_2d_max_likelihood_bool ... ok [INFO] [stdout] test linear_nesterov_2d ... ok [INFO] [stdout] test linear_sgd_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] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 78 - ((1.0 - truth) / (1.0 - prediction) - truth / prediction) [INFO] [stderr] 78 + (1.0 - truth) / (1.0 - prediction) - truth / prediction [INFO] [stderr] | [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/model.rs - model::GeneralizedLinearModel (line 154) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 120) ... ok [INFO] [stdout] test src/cost.rs - cost::MaxLikelihood (line 49) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 86) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 29) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "97947e2683dcf3c2078090858ad78a9b1a3b9d657a9cef5cefddad32808308cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97947e2683dcf3c2078090858ad78a9b1a3b9d657a9cef5cefddad32808308cb", kill_on_drop: false }` [INFO] [stdout] 97947e2683dcf3c2078090858ad78a9b1a3b9d657a9cef5cefddad32808308cb