[INFO] fetching crate rusty-machine 0.5.4... [INFO] checking rusty-machine-0.5.4 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate rusty-machine 0.5.4 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate rusty-machine 0.5.4 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rusty-machine 0.5.4 [INFO] finished tweaking crates.io crate rusty-machine 0.5.4 [INFO] tweaked toml for crates.io crate rusty-machine 0.5.4 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] faeaceb9e0b689338784f5a8abbaa56d12bb6c62400b40c4174b096a3d54046a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "faeaceb9e0b689338784f5a8abbaa56d12bb6c62400b40c4174b096a3d54046a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "faeaceb9e0b689338784f5a8abbaa56d12bb6c62400b40c4174b096a3d54046a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faeaceb9e0b689338784f5a8abbaa56d12bb6c62400b40c4174b096a3d54046a", kill_on_drop: false }` [INFO] [stdout] faeaceb9e0b689338784f5a8abbaa56d12bb6c62400b40c4174b096a3d54046a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6b49deb977f02c6d000dcb284bd09eeff003db051b1b256804575dea694ad6d7 [INFO] running `Command { std: "docker" "start" "-a" "6b49deb977f02c6d000dcb284bd09eeff003db051b1b256804575dea694ad6d7", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rulinalg v0.3.7 [INFO] [stderr] Checking rusty-machine v0.5.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:108:1 [INFO] [stdout] | [INFO] [stdout] 108 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/data/transforms/minmax.rs:115:22 [INFO] [stdout] | [INFO] [stdout] 115 | let scales = try!(input_min_max.iter() [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/data/transforms/minmax.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | try!(self.fit(&inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/data/transforms/standardize.rs:97:28 [INFO] [stdout] | [INFO] [stdout] 97 | let variance = try!(inputs.variance(Axes::Row).map_err(|_| { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/data/transforms/standardize.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | try!(self.fit(&inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:82:27 [INFO] [stdout] | [INFO] [stdout] 82 | let cov_mat = try!(self.initialize_covariances(inputs, reg_value)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:93:40 [INFO] [stdout] | [INFO] [stdout] 93 | let (weights, log_lik_1) = try!(self.membership_weights(inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:110:16 [INFO] [stdout] | [INFO] [stdout] 110 | Ok(try!(self.membership_weights(inputs)).0) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:229:32 [INFO] [stdout] | [INFO] [stdout] 229 | let variance = try!(inputs.variance(Axes::Row)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:265:33 [INFO] [stdout] | [INFO] [stdout] 265 | let covar_inv = try!(cov.inverse().map_err(Error::from)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/k_means.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | try!(self.init_centroids(inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/k_means.rs:98:36 [INFO] [stdout] | [INFO] [stdout] 98 | let (idx, distances) = try!(self.get_closest_centroids(inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/k_means.rs:194:29 [INFO] [stdout] | [INFO] [stdout] 194 | let centroids = try!(self.init_algorithm.init_centroids(self.k, inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 151 | let post_mean = try!(self.ker_mat(inputs, t_data)) * alpha; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:164:25 [INFO] [stdout] | [INFO] [stdout] 164 | let train_mat = try!((ker_mat + noise_mat).cholesky().map_err(|_| { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:194:36 [INFO] [stdout] | [INFO] [stdout] 194 | let post_mean = mean + try!(self.ker_mat(inputs, t_data)) * alpha; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:196:28 [INFO] [stdout] | [INFO] [stdout] 196 | let test_mat = try!(self.ker_mat(inputs, t_data)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:205:28 [INFO] [stdout] | [INFO] [stdout] 205 | let post_var = try!(self.ker_mat(inputs, inputs)) - &v_mat * v_mat.transpose(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/svm.rs:133:27 [INFO] [stdout] | [INFO] [stdout] 133 | let ker_mat = try!(self.ker_mat(&full_inputs, train_inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/naive_bayes.rs:116:25 [INFO] [stdout] | [INFO] [stdout] 116 | let log_probs = try!(self.get_log_probs(inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/naive_bayes.rs:157:25 [INFO] [stdout] | [INFO] [stdout] 157 | let class = try!(NaiveBayes::::find_class(row)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/naive_bayes.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | try!(distr.update_params(&inputs.select_rows(&c), idx)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/naive_bayes.rs:268:19 [INFO] [stdout] | [INFO] [stdout] 268 | let var = try!(data.variance(Axes::Row).map_err(|_| { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/learning/error.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | error: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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/learning/error.rs:39:27 [INFO] [stdout] | [INFO] [stdout] 39 | where E: Into> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/learning/toolkit/kernel.rs:292:9 [INFO] [stdout] | [INFO] [stdout] 292 | (self.ampl * x.exp()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/learning/toolkit/kernel.rs:354:9 [INFO] [stdout] | [INFO] [stdout] 354 | (self.ampl * x.exp()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/analysis/cross_validation.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let _ = try!(model.train(&train_inputs, &train_targets)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/analysis/cross_validation.rs:71:23 [INFO] [stdout] | [INFO] [stdout] 71 | let outputs = try!(model.predict(&test_inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/learning/error.rs:62:88 [INFO] [stdout] | [INFO] [stdout] 62 | Error::new(ErrorKind::LinearAlgebra, ::description(&e)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/data/transforms/minmax.rs:115:22 [INFO] [stdout] | [INFO] [stdout] 115 | let scales = try!(input_min_max.iter() [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/data/transforms/minmax.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | try!(self.fit(&inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/data/transforms/standardize.rs:97:28 [INFO] [stdout] | [INFO] [stdout] 97 | let variance = try!(inputs.variance(Axes::Row).map_err(|_| { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/data/transforms/standardize.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | try!(self.fit(&inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:82:27 [INFO] [stdout] | [INFO] [stdout] 82 | let cov_mat = try!(self.initialize_covariances(inputs, reg_value)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:93:40 [INFO] [stdout] | [INFO] [stdout] 93 | let (weights, log_lik_1) = try!(self.membership_weights(inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:110:16 [INFO] [stdout] | [INFO] [stdout] 110 | Ok(try!(self.membership_weights(inputs)).0) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:229:32 [INFO] [stdout] | [INFO] [stdout] 229 | let variance = try!(inputs.variance(Axes::Row)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gmm.rs:265:33 [INFO] [stdout] | [INFO] [stdout] 265 | let covar_inv = try!(cov.inverse().map_err(Error::from)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/k_means.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | try!(self.init_centroids(inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/k_means.rs:98:36 [INFO] [stdout] | [INFO] [stdout] 98 | let (idx, distances) = try!(self.get_closest_centroids(inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/k_means.rs:194:29 [INFO] [stdout] | [INFO] [stdout] 194 | let centroids = try!(self.init_algorithm.init_centroids(self.k, inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 151 | let post_mean = try!(self.ker_mat(inputs, t_data)) * alpha; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:164:25 [INFO] [stdout] | [INFO] [stdout] 164 | let train_mat = try!((ker_mat + noise_mat).cholesky().map_err(|_| { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:194:36 [INFO] [stdout] | [INFO] [stdout] 194 | let post_mean = mean + try!(self.ker_mat(inputs, t_data)) * alpha; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:196:28 [INFO] [stdout] | [INFO] [stdout] 196 | let test_mat = try!(self.ker_mat(inputs, t_data)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/gp.rs:205:28 [INFO] [stdout] | [INFO] [stdout] 205 | let post_var = try!(self.ker_mat(inputs, inputs)) - &v_mat * v_mat.transpose(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/svm.rs:133:27 [INFO] [stdout] | [INFO] [stdout] 133 | let ker_mat = try!(self.ker_mat(&full_inputs, train_inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/naive_bayes.rs:116:25 [INFO] [stdout] | [INFO] [stdout] 116 | let log_probs = try!(self.get_log_probs(inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/naive_bayes.rs:157:25 [INFO] [stdout] | [INFO] [stdout] 157 | let class = try!(NaiveBayes::::find_class(row)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/naive_bayes.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | try!(distr.update_params(&inputs.select_rows(&c), idx)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/learning/naive_bayes.rs:268:19 [INFO] [stdout] | [INFO] [stdout] 268 | let var = try!(data.variance(Axes::Row).map_err(|_| { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/learning/error.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | error: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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/learning/error.rs:39:27 [INFO] [stdout] | [INFO] [stdout] 39 | where E: Into> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/learning/toolkit/kernel.rs:292:9 [INFO] [stdout] | [INFO] [stdout] 292 | (self.ampl * x.exp()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/learning/toolkit/kernel.rs:354:9 [INFO] [stdout] | [INFO] [stdout] 354 | (self.ampl * x.exp()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/analysis/cross_validation.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let _ = try!(model.train(&train_inputs, &train_targets)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/analysis/cross_validation.rs:71:23 [INFO] [stdout] | [INFO] [stdout] 71 | let outputs = try!(model.predict(&test_inputs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/learning/error.rs:62:88 [INFO] [stdout] | [INFO] [stdout] 62 | Error::new(ErrorKind::LinearAlgebra, ::description(&e)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/learning/error.rs:68:20 [INFO] [stdout] | [INFO] [stdout] 68 | self.error.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/learning/error.rs:68:20 [INFO] [stdout] | [INFO] [stdout] 68 | self.error.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 31 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> tests/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/data/transforms/minmax.rs:228:9 [INFO] [stdout] | [INFO] [stdout] 228 | transformed[[0, 0]].abs() < 1e-10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/data/transforms/minmax.rs:229:9 [INFO] [stdout] | [INFO] [stdout] 229 | transformed[[0, 1]].abs() < 1e-10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/data/transforms/minmax.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 230 | (transformed[[1, 0]] - 1.0).abs() < 1e-10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/data/transforms/minmax.rs:231:9 [INFO] [stdout] | [INFO] [stdout] 231 | (transformed[[1, 1]] - 1.0).abs() < 1e-10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/data/transforms/minmax.rs:245:9 [INFO] [stdout] | [INFO] [stdout] 245 | (transformed[[0, 0]] - 1.0).abs() < 1e-10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/data/transforms/minmax.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | (transformed[[0, 1]] - 1.0).abs() < 1e-10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/data/transforms/minmax.rs:247:9 [INFO] [stdout] | [INFO] [stdout] 247 | (transformed[[1, 0]] - 3.0).abs() < 1e-10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/data/transforms/minmax.rs:248:9 [INFO] [stdout] | [INFO] [stdout] 248 | (transformed[[1, 1]] - 3.0).abs() < 1e-10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 38 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.29s [INFO] running `Command { std: "docker" "inspect" "6b49deb977f02c6d000dcb284bd09eeff003db051b1b256804575dea694ad6d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b49deb977f02c6d000dcb284bd09eeff003db051b1b256804575dea694ad6d7", kill_on_drop: false }` [INFO] [stdout] 6b49deb977f02c6d000dcb284bd09eeff003db051b1b256804575dea694ad6d7