[INFO] fetching crate rustlearn 0.5.0...
[INFO] building rustlearn-0.5.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate rustlearn 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rustlearn 0.5.0
[INFO] finished tweaking crates.io crate rustlearn 0.5.0
[INFO] tweaked toml for crates.io crate rustlearn 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustlearn 0.5.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding crossbeam v0.2.12 (available: v0.8.4)
[INFO] [stderr]       Adding csv v0.14.7 (available: v1.4.0)
[INFO] [stderr]       Adding hyper v0.7.2 (available: v1.8.1)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.10.0)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.47)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.7.17
[INFO] [stderr]   Downloaded openssl-sys-extras v0.7.14
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d080ee618068df4aca7846f27fcaa8f7f6cc071d2ac233a886c85a38fae45c3c
[INFO] running `Command { std: "docker" "start" "-a" "d080ee618068df4aca7846f27fcaa8f7f6cc071d2ac233a886c85a38fae45c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d080ee618068df4aca7846f27fcaa8f7f6cc071d2ac233a886c85a38fae45c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d080ee618068df4aca7846f27fcaa8f7f6cc071d2ac233a886c85a38fae45c3c", kill_on_drop: false }`
[INFO] [stdout] d080ee618068df4aca7846f27fcaa8f7f6cc071d2ac233a886c85a38fae45c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65b4ba9cd47ebb22c5be4d5b2a65cefdf5cc040510a20424affb0ca4d0cb020
[INFO] running `Command { std: "docker" "start" "-a" "b65b4ba9cd47ebb22c5be4d5b2a65cefdf5cc040510a20424affb0ca4d0cb020", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rustlearn v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]  --> build.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     gcc::Config::new()
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     gcc::Config::new()
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr] warning: rustlearn@0.5.0: dependencies/libsvm/svm.cpp: In function 'void print_string_stdout(const char*)':
[INFO] [stderr] warning: rustlearn@0.5.0: dependencies/libsvm/svm.cpp:41:45: warning: unused parameter 's' [-Wunused-parameter]
[INFO] [stderr] warning: rustlearn@0.5.0:    41 | static void print_string_stdout(const char *s)
[INFO] [stderr] warning: rustlearn@0.5.0:       |                                 ~~~~~~~~~~~~^
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ensemble/random_forest.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             try!(tree.fit(&X.get_rows(&indices), &y.get_rows(&indices)));
[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/ensemble/random_forest.rs:131:29
[INFO] [stdout]     |
[INFO] [stdout] 131 |             df.add_inplace(&try!(tree.decision_function(X)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ensemble/random_forest.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             try!(tree.fit(&x, &y.get_rows(&indices)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ensemble/random_forest.rs:161:29
[INFO] [stdout]     |
[INFO] [stdout] 161 |             df.add_inplace(&try!(tree.decision_function(&x)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |         try!(check_matched_dimensions(X, y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:391:9
[INFO] [stdout]     |
[INFO] [stdout] 391 |         try!(check_valid_labels(y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 397 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:423:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         try!(check_matched_dimensions(X, y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 425 |         try!(check_valid_labels(y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `adagrad_updates`
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 | macro_rules! adagrad_updates {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         try!(check_matched_dimensions(X, y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(check_valid_labels(y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         try!(check_matched_dimensions(X, y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         try!(check_valid_labels(y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/metrics/ranking.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     try!(check_roc_auc_inputs(y_true, y_hat));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `metrics::ranking::*`
[INFO] [stdout]   --> src/metrics/test.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use metrics::ranking::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/metrics/test.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | mod generated_tests {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::*`
[INFO] [stdout]   --> src/metrics/test.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/metrics/test.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | mod generated_tests {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/metrics/test.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/metrics/test.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | mod generated_tests {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     try!(model.fit(X, &binary_target));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 | impl_multiclass_supervised_model!(Array);
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     let values = try!(model.decision_function(X));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 | impl_multiclass_supervised_model!(Array);
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:162:32
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 let decision = try!(self.decision_function(X));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 | impl_multiclass_supervised_model!(Array);
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     try!(model.fit(X, &binary_target));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 | impl_multiclass_supervised_model!(SparseRowArray);
[INFO] [stdout]     | ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     let values = try!(model.decision_function(X));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 | impl_multiclass_supervised_model!(SparseRowArray);
[INFO] [stdout]     | ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:162:32
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 let decision = try!(self.decision_function(X));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 | impl_multiclass_supervised_model!(SparseRowArray);
[INFO] [stdout]     | ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     try!(model.fit(X, &binary_target));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 | impl_multiclass_supervised_model!(SparseColumnArray);
[INFO] [stdout]     | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     let values = try!(model.decision_function(X));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 | impl_multiclass_supervised_model!(SparseColumnArray);
[INFO] [stdout]     | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:162:32
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 let decision = try!(self.decision_function(X));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 | impl_multiclass_supervised_model!(SparseColumnArray);
[INFO] [stdout]     | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:228:32
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let decision = try!(self.decision_function_parallel(X, num_threads));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 | impl_multiclass_parallel_predict!(Array);
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_parallel_predict` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:228:32
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let decision = try!(self.decision_function_parallel(X, num_threads));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 306 | impl_multiclass_parallel_predict!(SparseRowArray);
[INFO] [stdout]     | ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_parallel_predict` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/multiclass/mod.rs:228:32
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let decision = try!(self.decision_function_parallel(X, num_threads));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 | impl_multiclass_parallel_predict!(SparseColumnArray);
[INFO] [stdout]     | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_multiclass_parallel_predict` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `C_SVC` should have an upper camel case name
[INFO] [stdout]   --> src/svm/libsvm/ffi.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     C_SVC,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `CSvc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NU_SVC` should have an upper camel case name
[INFO] [stdout]   --> src/svm/libsvm/ffi.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     NU_SVC,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NuSvc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ONE_CLASS` should have an upper camel case name
[INFO] [stdout]   --> src/svm/libsvm/ffi.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ONE_CLASS,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `OneClass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EPSILON_SVR` should have an upper camel case name
[INFO] [stdout]   --> src/svm/libsvm/ffi.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     EPSILON_SVR,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EpsilonSvr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NU_SVR` should have an upper camel case name
[INFO] [stdout]   --> src/svm/libsvm/ffi.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     NU_SVR,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NuSvr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/svm/libsvm/svc.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_supervised_model!(Array);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/svm/libsvm/svc.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 try!(check_matched_dimensions(X, y));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_supervised_model!(Array);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/svm/libsvm/svc.rs:115:35
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 self.model = Some(try!(ffi::fit(X, y, &svm_params)));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_supervised_model!(Array);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/svm/libsvm/svc.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_supervised_model!(Array);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/svm/libsvm/svc.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 | impl_supervised_model!(SparseRowArray);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/svm/libsvm/svc.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 try!(check_matched_dimensions(X, y));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 | impl_supervised_model!(SparseRowArray);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/svm/libsvm/svc.rs:115:35
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 self.model = Some(try!(ffi::fit(X, y, &svm_params)));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 | impl_supervised_model!(SparseRowArray);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/svm/libsvm/svc.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 | impl_supervised_model!(SparseRowArray);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_supervised_model` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/traits/mod.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let decision_func = try!(self.decision_function(x));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/traits/mod.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let decision_func = try!(self.decision_function_parallel(X, num_threads));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/trees/decision_tree.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/trees/decision_tree.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         try!(check_matched_dimensions(X, y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/trees/decision_tree.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |         try!(check_valid_labels(y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/trees/decision_tree.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/trees/decision_tree.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/trees/decision_tree.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |         try!(check_matched_dimensions(X, y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/trees/decision_tree.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 |         try!(check_valid_labels(y));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/trees/decision_tree.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 382 |         try!(check_data_dimensionality(self.dim, X));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:293:17
[INFO] [stdout]     |
[INFO] [stdout] 293 |             let mut component_row =
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:295:17
[INFO] [stdout]     |
[INFO] [stdout] 295 |             let mut gradsq_row = &mut self.latent_gradsq.as_mut_slice()[slice_start..slice_stop];
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:296:17
[INFO] [stdout]     |
[INFO] [stdout] 296 |             let mut applied_l2_row =
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:298:17
[INFO] [stdout]     |
[INFO] [stdout] 298 |             let mut applied_l1_row =
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:338:13
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let mut component_sum = &mut vec![0.0; self.num_components][..];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |         let mut component_sum = &mut vec![0.0; self.num_components][..];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/factorization/factorization_machines.rs:441:25
[INFO] [stdout]     |
[INFO] [stdout] 441 | /                         &mut *(model_ptr as *const FactorizationMachine
[INFO] [stdout] 442 | |                             as *mut FactorizationMachine)
[INFO] [stdout]     | |_________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/multiclass/mod.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn split(y: &'a Array) -> OneVsRest {
[INFO] [stdout]    |                      --           ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn split(y: &'a Array) -> OneVsRest<'a> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: rustlearn@0.5.0: dependencies/libsvm/svm.cpp: In function 'void print_string_stdout(const char*)':
[INFO] [stderr] warning: rustlearn@0.5.0: dependencies/libsvm/svm.cpp:41:45: warning: unused parameter 's' [-Wunused-parameter]
[INFO] [stderr] warning: rustlearn@0.5.0:    41 | static void print_string_stdout(const char *s)
[INFO] [stderr] warning: rustlearn@0.5.0:       |                                 ~~~~~~~~~~~~^
[INFO] [stderr] error: could not compile `rustlearn` (lib) due to 1 previous error; 67 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b65b4ba9cd47ebb22c5be4d5b2a65cefdf5cc040510a20424affb0ca4d0cb020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65b4ba9cd47ebb22c5be4d5b2a65cefdf5cc040510a20424affb0ca4d0cb020", kill_on_drop: false }`
[INFO] [stdout] b65b4ba9cd47ebb22c5be4d5b2a65cefdf5cc040510a20424affb0ca4d0cb020
