[INFO] fetching crate vikos 0.3.1... [INFO] testing vikos-0.3.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate vikos 0.3.1 into /workspace/builds/worker-6-tc2/source [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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vikos 0.3.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding num v0.2.1 (available: v0.4.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1af8d3775c29a5dcbfbb2ec283dea11d530aa3da010955c144e55f22ef2d5590 [INFO] running `Command { std: "docker" "start" "-a" "1af8d3775c29a5dcbfbb2ec283dea11d530aa3da010955c144e55f22ef2d5590", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1af8d3775c29a5dcbfbb2ec283dea11d530aa3da010955c144e55f22ef2d5590", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1af8d3775c29a5dcbfbb2ec283dea11d530aa3da010955c144e55f22ef2d5590", kill_on_drop: false }` [INFO] [stdout] 1af8d3775c29a5dcbfbb2ec283dea11d530aa3da010955c144e55f22ef2d5590 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 597d2b0aa45f630bbe5d1e092c837123b2bc58c5e60cf32bf690459a89ea6bb2 [INFO] running `Command { std: "docker" "start" "-a" "597d2b0aa45f630bbe5d1e092c837123b2bc58c5e60cf32bf690459a89ea6bb2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.20s [INFO] running `Command { std: "docker" "inspect" "597d2b0aa45f630bbe5d1e092c837123b2bc58c5e60cf32bf690459a89ea6bb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "597d2b0aa45f630bbe5d1e092c837123b2bc58c5e60cf32bf690459a89ea6bb2", kill_on_drop: false }` [INFO] [stdout] 597d2b0aa45f630bbe5d1e092c837123b2bc58c5e60cf32bf690459a89ea6bb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1be87cc7fc199d606286c005986346ead6f518a39222643752c4144345f0e00 [INFO] running `Command { std: "docker" "start" "-a" "e1be87cc7fc199d606286c005986346ead6f518a39222643752c4144345f0e00", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.8.0 [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)]` (part of `#[warn(unused)]`) 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] [stderr] Compiling csv-core v0.1.13 [INFO] [stderr] Compiling csv v1.4.0 [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)]` (part of `#[warn(unused)]`) 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] = 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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 129 | fn check_derivate(cost: &dyn Cost, prediction: f64, truth: T) -> f64 { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.73s [INFO] running `Command { std: "docker" "inspect" "e1be87cc7fc199d606286c005986346ead6f518a39222643752c4144345f0e00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1be87cc7fc199d606286c005986346ead6f518a39222643752c4144345f0e00", kill_on_drop: false }` [INFO] [stdout] e1be87cc7fc199d606286c005986346ead6f518a39222643752c4144345f0e00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ca6da3da581fb8f044c2e1348d50f233266383339f432b3c8aedec2e2d0721ba [INFO] running `Command { std: "docker" "start" "-a" "ca6da3da581fb8f044c2e1348d50f233266383339f432b3c8aedec2e2d0721ba", 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)]` (part of `#[warn(unused)]`) 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: `vikos` (lib) generated 1 warning (run `cargo fix --lib -p vikos` to apply 1 suggestion) [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] = 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] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 129 | fn check_derivate(cost: &dyn Cost, prediction: f64, truth: T) -> f64 { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `vikos` (lib test) generated 3 warnings (1 duplicate) (run `cargo fix --lib -p vikos --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vikos-a63cd650026b80f0) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test linear_algebra::tests::dot ... ok [INFO] [stdout] test cost::test::least_squares_derivation ... ok [INFO] [stdout] test cost::test::neg_log_likelihood_derivation ... ok [INFO] [stdout] test cost::test::least_absolute_derivation ... 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-0b6947a4ea78c831) [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_sgd_2d ... 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 linear_nesterov_2d ... 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 iris ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests vikos [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)]` (part of `#[warn(unused)]`) 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 61) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 13) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 120) ... ok [INFO] [stdout] test src/tutorial.rs - tutorial (line 29) ... ok [INFO] [stdout] test src/cost.rs - cost::MaxLikelihood (line 49) ... ok [INFO] [stdout] test src/model.rs - model::GeneralizedLinearModel (line 154) ... 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 0.44s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ca6da3da581fb8f044c2e1348d50f233266383339f432b3c8aedec2e2d0721ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca6da3da581fb8f044c2e1348d50f233266383339f432b3c8aedec2e2d0721ba", kill_on_drop: false }` [INFO] [stdout] ca6da3da581fb8f044c2e1348d50f233266383339f432b3c8aedec2e2d0721ba