[INFO] fetching crate rustlearn 0.5.0...
[INFO] building rustlearn-0.5.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rustlearn 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rustlearn 0.5.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-bidi v0.2.6
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded mime v0.1.3
[INFO] [stderr]   Downloaded url v0.5.10
[INFO] [stderr]   Downloaded hyper v0.7.2
[INFO] [stderr]   Downloaded uuid v0.2.3
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdb06b7ad5ce69c52567b4d70b74a37b6aef7374db88e5589bc793ce90829ad0
[INFO] running `Command { std: "docker" "start" "-a" "bdb06b7ad5ce69c52567b4d70b74a37b6aef7374db88e5589bc793ce90829ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdb06b7ad5ce69c52567b4d70b74a37b6aef7374db88e5589bc793ce90829ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb06b7ad5ce69c52567b4d70b74a37b6aef7374db88e5589bc793ce90829ad0", kill_on_drop: false }`
[INFO] [stdout] bdb06b7ad5ce69c52567b4d70b74a37b6aef7374db88e5589bc793ce90829ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 075d6f82d238be43573ba59c44c8f0edc8627989afb862106447c034cb5256b5
[INFO] running `Command { std: "docker" "start" "-a" "075d6f82d238be43573ba59c44c8f0edc8627989afb862106447c034cb5256b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling crossbeam v0.2.12
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dependencies/libsvm/svm.cpp: In function 'void print_string_stdout(const char*)':
[INFO] [stderr] warning: dependencies/libsvm/svm.cpp:41:45: warning: unused parameter 's' [-Wunused-parameter]
[INFO] [stderr] warning:    41 | static void print_string_stdout(const char *s)
[INFO] [stderr] warning:       |                                 ~~~~~~~~~~~~^
[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
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | / macro_rules! adagrad_updates {
[INFO] [stdout] 176 | |     ($coefficients:expr, $x:expr, $gradsq:expr) => {{
[INFO] [stdout] 177 | |         $coefficients
[INFO] [stdout] 178 | |             .iter_mut()
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |     }};
[INFO] [stdout] 182 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` 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]    = note: `#[warn(unused_imports)]` 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] 
[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] 
[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)]` 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: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/metrics/ranking.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             0.0 => {
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/metrics/ranking.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             1.0 => {
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[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)]` 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] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "075d6f82d238be43573ba59c44c8f0edc8627989afb862106447c034cb5256b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075d6f82d238be43573ba59c44c8f0edc8627989afb862106447c034cb5256b5", kill_on_drop: false }`
[INFO] [stdout] 075d6f82d238be43573ba59c44c8f0edc8627989afb862106447c034cb5256b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3360d7236d3956588461dd04bd08990e9408decf9d6641bafa96a50d48e617d
[INFO] running `Command { std: "docker" "start" "-a" "d3360d7236d3956588461dd04bd08990e9408decf9d6641bafa96a50d48e617d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling openssl-sys-extras v0.7.14
[INFO] [stderr]    Compiling openssl v0.7.14
[INFO] [stderr]    Compiling unicode-bidi v0.2.6
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: dependencies/libsvm/svm.cpp: In function 'void print_string_stdout(const char*)':
[INFO] [stderr] warning: dependencies/libsvm/svm.cpp:41:45: warning: unused parameter 's' [-Wunused-parameter]
[INFO] [stderr] warning:    41 | static void print_string_stdout(const char *s)
[INFO] [stderr] warning:       |                                 ~~~~~~~~~~~~^
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling uuid v0.2.3
[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
[INFO] [stdout]    --> src/linear_models/sgdclassifier.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | / macro_rules! adagrad_updates {
[INFO] [stdout] 176 | |     ($coefficients:expr, $x:expr, $gradsq:expr) => {{
[INFO] [stdout] 177 | |         $coefficients
[INFO] [stdout] 178 | |             .iter_mut()
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |     }};
[INFO] [stdout] 182 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` 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]    = note: `#[warn(unused_imports)]` 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] 
[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] 
[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)]` 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: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/metrics/ranking.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             0.0 => {
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/metrics/ranking.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             1.0 => {
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[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)]` 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] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling url v0.5.10
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: src/openssl_shim.c: In function 'SSL_CTX_set_ecdh_auto_shim':
[INFO] [stderr] warning: src/openssl_shim.c:121:41: warning: unused parameter 'ctx' [-Wunused-parameter]
[INFO] [stderr] warning:   121 | int SSL_CTX_set_ecdh_auto_shim(SSL_CTX *ctx, int onoff) {
[INFO] [stderr] warning:       |                                ~~~~~~~~~^~~
[INFO] [stderr] warning: src/openssl_shim.c: In function 'DH_new_from_params':
[INFO] [stderr] warning: src/openssl_shim.c:132:7: error: dereferencing pointer to incomplete type 'DH' {aka 'struct dh_st'}
[INFO] [stderr] warning:   132 |     dh->p = p;
[INFO] [stderr] warning:       |       ^~
[INFO] [stderr] warning: src/openssl_shim.c: In function 'X509_get_extensions_shim':
[INFO] [stderr] warning: src/openssl_shim.c:143:13: error: dereferencing pointer to incomplete type 'X509' {aka 'struct x509_st'}
[INFO] [stderr] warning:   143 |     return x->cert_info ? x->cert_info->extensions : NULL;
[INFO] [stderr] warning:       |             ^~
[INFO] [stderr] warning: src/openssl_shim.c:144:1: warning: control reaches end of non-void function [-Wreturn-type]
[INFO] [stderr] warning:   144 | }
[INFO] [stderr] warning:       | ^
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `openssl-sys-extras v0.7.14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/openssl-sys-extras-0427685931f2a570/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "/usr/include" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/openssl-sys-extras-e7078524d307f8ad/out/src/openssl_shim.o" "-c" "src/openssl_shim.c"
[INFO] [stderr]   cargo:warning=src/openssl_shim.c: In function 'SSL_CTX_set_ecdh_auto_shim':
[INFO] [stderr]   cargo:warning=src/openssl_shim.c:121:41: warning: unused parameter 'ctx' [-Wunused-parameter]
[INFO] [stderr]   cargo:warning=  121 | int SSL_CTX_set_ecdh_auto_shim(SSL_CTX *ctx, int onoff) {
[INFO] [stderr]   cargo:warning=      |                                ~~~~~~~~~^~~
[INFO] [stderr]   cargo:warning=src/openssl_shim.c: In function 'DH_new_from_params':
[INFO] [stderr]   cargo:warning=src/openssl_shim.c:132:7: error: dereferencing pointer to incomplete type 'DH' {aka 'struct dh_st'}
[INFO] [stderr]   cargo:warning=  132 |     dh->p = p;
[INFO] [stderr]   cargo:warning=      |       ^~
[INFO] [stderr]   cargo:warning=src/openssl_shim.c: In function 'X509_get_extensions_shim':
[INFO] [stderr]   cargo:warning=src/openssl_shim.c:143:13: error: dereferencing pointer to incomplete type 'X509' {aka 'struct x509_st'}
[INFO] [stderr]   cargo:warning=  143 |     return x->cert_info ? x->cert_info->extensions : NULL;
[INFO] [stderr]   cargo:warning=      |             ^~
[INFO] [stderr]   cargo:warning=src/openssl_shim.c:144:1: warning: control reaches end of non-void function [-Wreturn-type]
[INFO] [stderr]   cargo:warning=  144 | }
[INFO] [stderr]   cargo:warning=      | ^
[INFO] [stderr]   exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr]   Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "/usr/include" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/openssl-sys-extras-e7078524d307f8ad/out/src/openssl_shim.o" "-c" "src/openssl_shim.c" with args "cc" did not execute successfully (status code exit status: 1).
[INFO] [stderr] 
[INFO] [stderr]   ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5588ce0c27d0 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5588ce0c27d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5588ce0c27d0 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5588ce0c27d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5588ce0e18bc - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5588ce0bf435 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x5588ce0c476b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5588ce0c476b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5588ce0c476b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5588ce0c4241 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5588ce0c4e34 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5588ce0c4917 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5588ce0c2cac - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5588ce0c4879 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5588ce070c0b - std::panicking::begin_panic_fmt::h746518bde832d259
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:457:5
[INFO] [stderr]     15:     0x5588ce086233 - gcc::fail::h23d8082b46e5ba39
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5
[INFO] [stderr]     16:     0x5588ce07837f - gcc::Build::compile::hceadf9a501c1899c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785:13
[INFO] [stderr]     17:     0x5588ce071f32 - build_script_build::main::h3643cda2453fa463
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-extras-0.7.14/build.rs:19:5
[INFO] [stderr]     18:     0x5588ce07403b - core::ops::function::FnOnce::call_once::h723923948898cced
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5588ce0735ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h52663429d7085bf6
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x5588ce0734a1 - std::rt::lang_start::{{closure}}::he9f69035d24f80a1
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x5588ce0c533a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5588ce0c533a - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x5588ce0c533a - std::panicking::try::h0ee8c65ac7461507
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x5588ce0c533a - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x5588ce0c533a - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x5588ce0c533a - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x5588ce0c533a - std::panicking::try::hd0929f0b603e0389
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x5588ce0c533a - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x5588ce0c533a - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x5588ce073470 - std::rt::lang_start::h83bf9076e2605c80
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x5588ce07310c - main
[INFO] [stderr]     32:     0x7f71dba780b3 - __libc_start_main
[INFO] [stderr]     33:     0x5588ce071aae - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: src/c_helpers.c: In function 'rust_SSL_clone':
[INFO] [stderr] warning: src/c_helpers.c:4:5: warning: implicit declaration of function 'CRYPTO_add' [-Wimplicit-function-declaration]
[INFO] [stderr] warning:     4 |     CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL);
[INFO] [stderr] warning:       |     ^~~~~~~~~~
[INFO] [stderr] warning: src/c_helpers.c:4:20: error: dereferencing pointer to incomplete type 'SSL' {aka 'struct ssl_st'}
[INFO] [stderr] warning:     4 |     CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL);
[INFO] [stderr] warning:       |                    ^~
[INFO] [stderr] warning: src/c_helpers.c:4:37: error: 'CRYPTO_LOCK_SSL' undeclared (first use in this function); did you mean 'CRYPTO_LOCK'?
[INFO] [stderr] warning:     4 |     CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL);
[INFO] [stderr] warning:       |                                     ^~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                     CRYPTO_LOCK
[INFO] [stderr] warning: src/c_helpers.c:4:37: note: each undeclared identifier is reported only once for each function it appears in
[INFO] [stderr] warning: src/c_helpers.c: In function 'rust_SSL_CTX_clone':
[INFO] [stderr] warning: src/c_helpers.c:8:20: error: dereferencing pointer to incomplete type 'SSL_CTX' {aka 'struct ssl_ctx_st'}
[INFO] [stderr] warning:     8 |     CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
[INFO] [stderr] warning:       |                    ^~
[INFO] [stderr] warning: src/c_helpers.c:8:35: error: 'CRYPTO_LOCK_SSL_CTX' undeclared (first use in this function); did you mean 'CRYPTO_EX_INDEX_SSL_CTX'?
[INFO] [stderr] warning:     8 |     CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
[INFO] [stderr] warning:       |                                   ^~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                   CRYPTO_EX_INDEX_SSL_CTX
[INFO] [stderr] warning: src/c_helpers.c: In function 'rust_X509_clone':
[INFO] [stderr] warning: src/c_helpers.c:12:21: error: dereferencing pointer to incomplete type 'X509' {aka 'struct x509_st'}
[INFO] [stderr] warning:    12 |     CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
[INFO] [stderr] warning:       |                     ^~
[INFO] [stderr] warning: src/c_helpers.c:12:36: error: 'CRYPTO_LOCK_X509' undeclared (first use in this function); did you mean 'CRYPTO_LOCK'?
[INFO] [stderr] warning:    12 |     CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
[INFO] [stderr] warning:       |                                    ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                    CRYPTO_LOCK
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d3360d7236d3956588461dd04bd08990e9408decf9d6641bafa96a50d48e617d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3360d7236d3956588461dd04bd08990e9408decf9d6641bafa96a50d48e617d", kill_on_drop: false }`
[INFO] [stdout] d3360d7236d3956588461dd04bd08990e9408decf9d6641bafa96a50d48e617d
