Dec 14 21:23:57.395 INFO testing rustlearn-0.5.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 21:23:57.395 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 21:23:57.906 INFO [stdout] fa7d642992c1f47c4c8943fcc63371efd5e861195a4f3a18a2247c609cb648b7
Dec 14 21:23:57.911 INFO running `"docker" "start" "-a" "fa7d642992c1f47c4c8943fcc63371efd5e861195a4f3a18a2247c609cb648b7"`
Dec 14 21:23:59.107 INFO [stderr] usermod: no changes
Dec 14 21:23:59.311 INFO [stderr]    Compiling rustlearn v0.5.0 (/source)
Dec 14 21:23:59.963 INFO [stderr] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build
Dec 14 21:23:59.963 INFO [stderr]  --> build.rs:9:5
Dec 14 21:23:59.963 INFO [stderr]   |
Dec 14 21:23:59.963 INFO [stderr] 9 |     gcc::Config::new()
Dec 14 21:23:59.963 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 21:23:59.963 INFO [stderr]   |
Dec 14 21:23:59.963 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 14 21:23:59.963 INFO [stderr] 
Dec 14 21:23:59.963 INFO [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
Dec 14 21:23:59.963 INFO [stderr]  --> build.rs:9:5
Dec 14 21:23:59.963 INFO [stderr]   |
Dec 14 21:23:59.963 INFO [stderr] 9 |     gcc::Config::new()
Dec 14 21:23:59.963 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 21:23:59.963 INFO [stderr] 
Dec 14 21:24:01.511 INFO [stderr] warning: dependencies/libsvm/svm.cpp:41:45: warning: unused parameter 's' [-Wunused-parameter]
Dec 14 21:24:01.511 INFO [stderr] warning:  static void print_string_stdout(const char *s)
Dec 14 21:24:01.511 INFO [stderr] warning:                                              ^
Dec 14 21:24:03.163 INFO [stderr] warning: unused macro definition
Dec 14 21:24:03.163 INFO [stderr]    --> src/linear_models/sgdclassifier.rs:175:1
Dec 14 21:24:03.163 INFO [stderr]     |
Dec 14 21:24:03.163 INFO [stderr] 175 | / macro_rules! adagrad_updates {
Dec 14 21:24:03.163 INFO [stderr] 176 | |     ($coefficients:expr, $x:expr, $gradsq:expr) => {{
Dec 14 21:24:03.163 INFO [stderr] 177 | |         $coefficients
Dec 14 21:24:03.163 INFO [stderr] 178 | |             .iter_mut()
Dec 14 21:24:03.163 INFO [stderr] ...   |
Dec 14 21:24:03.163 INFO [stderr] 181 | |     }};
Dec 14 21:24:03.163 INFO [stderr] 182 | | }
Dec 14 21:24:03.163 INFO [stderr]     | |_^
Dec 14 21:24:03.163 INFO [stderr]     |
Dec 14 21:24:03.163 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 14 21:24:03.163 INFO [stderr] 
Dec 14 21:24:03.163 INFO [stderr] warning: unused import: `metrics::ranking::*`
Dec 14 21:24:03.163 INFO [stderr]   --> src/metrics/test.rs:28:9
Dec 14 21:24:03.163 INFO [stderr]    |
Dec 14 21:24:03.163 INFO [stderr] 28 |     use metrics::ranking::*;
Dec 14 21:24:03.163 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 14 21:24:03.163 INFO [stderr]    |
Dec 14 21:24:03.163 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 14 21:24:03.163 INFO [stderr] 
Dec 14 21:24:03.163 INFO [stderr] warning: unused import: `prelude::*`
Dec 14 21:24:03.163 INFO [stderr]   --> src/metrics/test.rs:29:9
Dec 14 21:24:03.163 INFO [stderr]    |
Dec 14 21:24:03.163 INFO [stderr] 29 |     use prelude::*;
Dec 14 21:24:03.163 INFO [stderr]    |         ^^^^^^^^^^
Dec 14 21:24:03.163 INFO [stderr] 
Dec 14 21:24:03.163 INFO [stderr] warning: unused import: `super::*`
Dec 14 21:24:03.163 INFO [stderr]   --> src/metrics/test.rs:30:9
Dec 14 21:24:03.163 INFO [stderr]    |
Dec 14 21:24:03.163 INFO [stderr] 30 |     use super::*;
Dec 14 21:24:03.163 INFO [stderr]    |         ^^^^^^^^
Dec 14 21:24:03.163 INFO [stderr] 
Dec 14 21:24:05.003 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 14 21:24:05.003 INFO [stderr]    --> src/metrics/ranking.rs:130:13
Dec 14 21:24:05.003 INFO [stderr]     |
Dec 14 21:24:05.003 INFO [stderr] 130 |             0.0 => {
Dec 14 21:24:05.003 INFO [stderr]     |             ^^^
Dec 14 21:24:05.003 INFO [stderr]     |
Dec 14 21:24:05.003 INFO [stderr]     = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Dec 14 21:24:05.003 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 21:24:05.003 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 14 21:24:05.003 INFO [stderr] 
Dec 14 21:24:05.003 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 14 21:24:05.003 INFO [stderr]    --> src/metrics/ranking.rs:133:13
Dec 14 21:24:05.003 INFO [stderr]     |
Dec 14 21:24:05.003 INFO [stderr] 133 |             1.0 => {
Dec 14 21:24:05.003 INFO [stderr]     |             ^^^
Dec 14 21:24:05.003 INFO [stderr]     |
Dec 14 21:24:05.003 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 21:24:05.003 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 14 21:24:05.003 INFO [stderr] 
Dec 14 21:24:05.295 INFO [stderr] warning: variable does not need to be mutable
Dec 14 21:24:05.295 INFO [stderr]    --> src/factorization/factorization_machines.rs:338:13
Dec 14 21:24:05.295 INFO [stderr]     |
Dec 14 21:24:05.295 INFO [stderr] 338 |         let mut component_sum = &mut vec![0.0; self.num_components][..];
Dec 14 21:24:05.295 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 14 21:24:05.295 INFO [stderr]     |             |
Dec 14 21:24:05.296 INFO [stderr]     |             help: remove this `mut`
Dec 14 21:24:05.296 INFO [stderr]     |
Dec 14 21:24:05.296 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 21:24:05.296 INFO [stderr] 
Dec 14 21:24:05.303 INFO [stderr] warning: variable does not need to be mutable
Dec 14 21:24:05.303 INFO [stderr]    --> src/factorization/factorization_machines.rs:401:13
Dec 14 21:24:05.303 INFO [stderr]     |
Dec 14 21:24:05.303 INFO [stderr] 401 |         let mut component_sum = &mut vec![0.0; self.num_components][..];
Dec 14 21:24:05.303 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 14 21:24:05.303 INFO [stderr]     |             |
Dec 14 21:24:05.303 INFO [stderr]     |             help: remove this `mut`
Dec 14 21:24:05.303 INFO [stderr] 
Dec 14 21:24:05.386 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 14 21:24:05.386 INFO [stderr]    --> src/metrics/ranking.rs:130:13
Dec 14 21:24:05.386 INFO [stderr]     |
Dec 14 21:24:05.386 INFO [stderr] 130 |             0.0 => {
Dec 14 21:24:05.386 INFO [stderr]     |             ^^^
Dec 14 21:24:05.386 INFO [stderr]     |
Dec 14 21:24:05.387 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 21:24:05.387 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 14 21:24:05.387 INFO [stderr] 
Dec 14 21:24:05.815 INFO [stderr] warning: variant `C_SVC` should have a camel case name such as `CSvc`
Dec 14 21:24:05.815 INFO [stderr]   --> src/svm/libsvm/ffi.rs:19:5
Dec 14 21:24:05.815 INFO [stderr]    |
Dec 14 21:24:05.815 INFO [stderr] 19 |     C_SVC,
Dec 14 21:24:05.815 INFO [stderr]    |     ^^^^^
Dec 14 21:24:05.815 INFO [stderr]    |
Dec 14 21:24:05.815 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 14 21:24:05.815 INFO [stderr] 
Dec 14 21:24:05.815 INFO [stderr] warning: variant `NU_SVC` should have a camel case name such as `NuSvc`
Dec 14 21:24:05.815 INFO [stderr]   --> src/svm/libsvm/ffi.rs:20:5
Dec 14 21:24:05.815 INFO [stderr]    |
Dec 14 21:24:05.815 INFO [stderr] 20 |     NU_SVC,
Dec 14 21:24:05.815 INFO [stderr]    |     ^^^^^^
Dec 14 21:24:05.815 INFO [stderr] 
Dec 14 21:24:05.815 INFO [stderr] warning: variant `ONE_CLASS` should have a camel case name such as `OneClass`
Dec 14 21:24:05.815 INFO [stderr]   --> src/svm/libsvm/ffi.rs:21:5
Dec 14 21:24:05.815 INFO [stderr]    |
Dec 14 21:24:05.815 INFO [stderr] 21 |     ONE_CLASS,
Dec 14 21:24:05.815 INFO [stderr]    |     ^^^^^^^^^
Dec 14 21:24:05.815 INFO [stderr] 
Dec 14 21:24:05.815 INFO [stderr] warning: variant `EPSILON_SVR` should have a camel case name such as `EpsilonSvr`
Dec 14 21:24:05.815 INFO [stderr]   --> src/svm/libsvm/ffi.rs:22:5
Dec 14 21:24:05.815 INFO [stderr]    |
Dec 14 21:24:05.815 INFO [stderr] 22 |     EPSILON_SVR,
Dec 14 21:24:05.815 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 21:24:05.815 INFO [stderr] 
Dec 14 21:24:05.815 INFO [stderr] warning: variant `NU_SVR` should have a camel case name such as `NuSvr`
Dec 14 21:24:05.815 INFO [stderr]   --> src/svm/libsvm/ffi.rs:23:5
Dec 14 21:24:05.815 INFO [stderr]    |
Dec 14 21:24:05.815 INFO [stderr] 23 |     NU_SVR,
Dec 14 21:24:05.815 INFO [stderr]    |     ^^^^^^
Dec 14 21:24:05.815 INFO [stderr] 
Dec 14 21:24:10.019 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
Dec 14 21:24:10.022 INFO [stderr] su: No module specific data is present
Dec 14 21:24:11.085 INFO running `"docker" "inspect" "fa7d642992c1f47c4c8943fcc63371efd5e861195a4f3a18a2247c609cb648b7"`
Dec 14 21:24:11.291 INFO running `"docker" "rm" "-f" "fa7d642992c1f47c4c8943fcc63371efd5e861195a4f3a18a2247c609cb648b7"`
Dec 14 21:24:11.382 INFO [stdout] fa7d642992c1f47c4c8943fcc63371efd5e861195a4f3a18a2247c609cb648b7
Dec 14 21:24:11.384 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 21:24:11.560 INFO [stdout] 4359c573d444b9372df00c0d6322be591df86a3db51708499faecae226728240
Dec 14 21:24:11.562 INFO running `"docker" "start" "-a" "4359c573d444b9372df00c0d6322be591df86a3db51708499faecae226728240"`
Dec 14 21:24:12.197 INFO [stderr] usermod: no changes
Dec 14 21:24:12.419 INFO [stderr] warning: dependencies/libsvm/svm.cpp:41:45: warning: unused parameter 's' [-Wunused-parameter]
Dec 14 21:24:12.419 INFO [stderr] warning:  static void print_string_stdout(const char *s)
Dec 14 21:24:12.419 INFO [stderr] warning:                                              ^
Dec 14 21:24:12.419 INFO [stderr]    Compiling uuid v0.2.3
Dec 14 21:24:12.419 INFO [stderr]    Compiling cookie v0.2.5
Dec 14 21:24:13.691 INFO [stderr]    Compiling url v0.5.10
Dec 14 21:24:20.207 INFO [stderr]    Compiling hyper v0.7.2
Dec 14 21:24:28.977 INFO [stderr]    Compiling rustlearn v0.5.0 (/source)
Dec 14 21:24:31.335 INFO [stderr] warning: unused import: `array::traits::*`
Dec 14 21:24:31.335 INFO [stderr]    --> src/array/dense.rs:820:9
Dec 14 21:24:31.335 INFO [stderr]     |
Dec 14 21:24:31.335 INFO [stderr] 820 |     use array::traits::*;
Dec 14 21:24:31.335 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 14 21:24:31.335 INFO [stderr]     |
Dec 14 21:24:31.335 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 14 21:24:31.335 INFO [stderr] 
Dec 14 21:24:31.335 INFO [stderr] warning: unused import: `array::dense::*`
Dec 14 21:24:31.335 INFO [stderr]    --> src/array/sparse.rs:510:9
Dec 14 21:24:31.335 INFO [stderr]     |
Dec 14 21:24:31.335 INFO [stderr] 510 |     use array::dense::*;
Dec 14 21:24:31.335 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 14 21:24:31.335 INFO [stderr] 
Dec 14 21:24:31.335 INFO [stderr] warning: unused import: `array::traits::*`
Dec 14 21:24:31.335 INFO [stderr]    --> src/array/sparse.rs:511:9
Dec 14 21:24:31.335 INFO [stderr]     |
Dec 14 21:24:31.335 INFO [stderr] 511 |     use array::traits::*;
Dec 14 21:24:31.335 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 14 21:24:31.335 INFO [stderr] 
Dec 14 21:24:31.343 INFO [stderr] warning: unused import: `prelude::*`
Dec 14 21:24:31.343 INFO [stderr]    --> src/factorization/factorization_machines.rs:468:9
Dec 14 21:24:31.343 INFO [stderr]     |
Dec 14 21:24:31.343 INFO [stderr] 468 |     use prelude::*;
Dec 14 21:24:31.343 INFO [stderr]     |         ^^^^^^^^^^
Dec 14 21:24:31.343 INFO [stderr] 
Dec 14 21:24:31.350 INFO [stderr] warning: unused macro definition
Dec 14 21:24:31.351 INFO [stderr]    --> src/linear_models/sgdclassifier.rs:175:1
Dec 14 21:24:31.351 INFO [stderr]     |
Dec 14 21:24:31.351 INFO [stderr] 175 | / macro_rules! adagrad_updates {
Dec 14 21:24:31.351 INFO [stderr] 176 | |     ($coefficients:expr, $x:expr, $gradsq:expr) => {{
Dec 14 21:24:31.351 INFO [stderr] 177 | |         $coefficients
Dec 14 21:24:31.351 INFO [stderr] 178 | |             .iter_mut()
Dec 14 21:24:31.351 INFO [stderr] ...   |
Dec 14 21:24:31.351 INFO [stderr] 181 | |     }};
Dec 14 21:24:31.351 INFO [stderr] 182 | | }
Dec 14 21:24:31.351 INFO [stderr]     | |_^
Dec 14 21:24:31.351 INFO [stderr]     |
Dec 14 21:24:31.351 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 14 21:24:31.351 INFO [stderr] 
Dec 14 21:24:31.351 INFO [stderr] warning: unused import: `prelude::*`
Dec 14 21:24:31.351 INFO [stderr]    --> src/linear_models/sgdclassifier.rs:377:9
Dec 14 21:24:31.351 INFO [stderr]     |
Dec 14 21:24:31.351 INFO [stderr] 377 |     use prelude::*;
Dec 14 21:24:31.351 INFO [stderr]     |         ^^^^^^^^^^
Dec 14 21:24:31.351 INFO [stderr] 
Dec 14 21:24:31.352 INFO [stderr] warning: unused import: `super::*`
Dec 14 21:24:31.352 INFO [stderr]   --> src/metrics/test.rs:30:9
Dec 14 21:24:31.352 INFO [stderr]    |
Dec 14 21:24:31.352 INFO [stderr] 30 |     use super::*;
Dec 14 21:24:31.352 INFO [stderr]    |         ^^^^^^^^
Dec 14 21:24:31.352 INFO [stderr] 
Dec 14 21:24:31.358 INFO [stderr] warning: unused import: `prelude::*`
Dec 14 21:24:31.358 INFO [stderr]    --> src/svm/libsvm/svc.rs:154:9
Dec 14 21:24:31.358 INFO [stderr]     |
Dec 14 21:24:31.358 INFO [stderr] 154 |     use prelude::*;
Dec 14 21:24:31.358 INFO [stderr]     |         ^^^^^^^^^^
Dec 14 21:24:31.358 INFO [stderr] 
Dec 14 21:24:33.579 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 14 21:24:33.579 INFO [stderr]    --> src/metrics/ranking.rs:130:13
Dec 14 21:24:33.579 INFO [stderr]     |
Dec 14 21:24:33.579 INFO [stderr] 130 |             0.0 => {
Dec 14 21:24:33.579 INFO [stderr]     |             ^^^
Dec 14 21:24:33.579 INFO [stderr]     |
Dec 14 21:24:33.579 INFO [stderr]     = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Dec 14 21:24:33.579 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 21:24:33.579 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 14 21:24:33.579 INFO [stderr] 
Dec 14 21:24:33.579 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 14 21:24:33.579 INFO [stderr]    --> src/metrics/ranking.rs:133:13
Dec 14 21:24:33.579 INFO [stderr]     |
Dec 14 21:24:33.579 INFO [stderr] 133 |             1.0 => {
Dec 14 21:24:33.579 INFO [stderr]     |             ^^^
Dec 14 21:24:33.579 INFO [stderr]     |
Dec 14 21:24:33.579 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 21:24:33.579 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 14 21:24:33.579 INFO [stderr] 
Dec 14 21:24:33.603 INFO [stderr] warning: unused variable: `r2`
Dec 14 21:24:33.603 INFO [stderr]    --> src/metrics/ranking.rs:215:13
Dec 14 21:24:33.603 INFO [stderr]     |
Dec 14 21:24:33.603 INFO [stderr] 215 |         let r2 = &Array::from(vec![2.0, 1.0, 0.0]);
Dec 14 21:24:33.603 INFO [stderr]     |             ^^ help: consider using `_r2` instead
Dec 14 21:24:33.603 INFO [stderr]     |
Dec 14 21:24:33.603 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 21:24:33.603 INFO [stderr] 
Dec 14 21:24:33.936 INFO [stderr] warning: variable does not need to be mutable
Dec 14 21:24:33.936 INFO [stderr]    --> src/factorization/factorization_machines.rs:338:13
Dec 14 21:24:33.936 INFO [stderr]     |
Dec 14 21:24:33.936 INFO [stderr] 338 |         let mut component_sum = &mut vec![0.0; self.num_components][..];
Dec 14 21:24:33.936 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 14 21:24:33.936 INFO [stderr]     |             |
Dec 14 21:24:33.936 INFO [stderr]     |             help: remove this `mut`
Dec 14 21:24:33.936 INFO [stderr]     |
Dec 14 21:24:33.936 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 21:24:33.936 INFO [stderr] 
Dec 14 21:24:33.947 INFO [stderr] warning: variable does not need to be mutable
Dec 14 21:24:33.947 INFO [stderr]    --> src/factorization/factorization_machines.rs:401:13
Dec 14 21:24:33.947 INFO [stderr]     |
Dec 14 21:24:33.947 INFO [stderr] 401 |         let mut component_sum = &mut vec![0.0; self.num_components][..];
Dec 14 21:24:33.947 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 14 21:24:33.947 INFO [stderr]     |             |
Dec 14 21:24:33.947 INFO [stderr]     |             help: remove this `mut`
Dec 14 21:24:33.947 INFO [stderr] 
Dec 14 21:24:34.059 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 14 21:24:34.059 INFO [stderr]    --> src/metrics/ranking.rs:130:13
Dec 14 21:24:34.059 INFO [stderr]     |
Dec 14 21:24:34.059 INFO [stderr] 130 |             0.0 => {
Dec 14 21:24:34.059 INFO [stderr]     |             ^^^
Dec 14 21:24:34.059 INFO [stderr]     |
Dec 14 21:24:34.059 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 21:24:34.059 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 14 21:24:34.059 INFO [stderr] 
Dec 14 21:24:34.605 INFO [stderr] warning: variant `C_SVC` should have a camel case name such as `CSvc`
Dec 14 21:24:34.605 INFO [stderr]   --> src/svm/libsvm/ffi.rs:19:5
Dec 14 21:24:34.606 INFO [stderr]    |
Dec 14 21:24:34.606 INFO [stderr] 19 |     C_SVC,
Dec 14 21:24:34.606 INFO [stderr]    |     ^^^^^
Dec 14 21:24:34.606 INFO [stderr]    |
Dec 14 21:24:34.606 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 14 21:24:34.606 INFO [stderr] 
Dec 14 21:24:34.606 INFO [stderr] warning: variant `NU_SVC` should have a camel case name such as `NuSvc`
Dec 14 21:24:34.606 INFO [stderr]   --> src/svm/libsvm/ffi.rs:20:5
Dec 14 21:24:34.606 INFO [stderr]    |
Dec 14 21:24:34.606 INFO [stderr] 20 |     NU_SVC,
Dec 14 21:24:34.606 INFO [stderr]    |     ^^^^^^
Dec 14 21:24:34.606 INFO [stderr] 
Dec 14 21:24:34.606 INFO [stderr] warning: variant `ONE_CLASS` should have a camel case name such as `OneClass`
Dec 14 21:24:34.606 INFO [stderr]   --> src/svm/libsvm/ffi.rs:21:5
Dec 14 21:24:34.606 INFO [stderr]    |
Dec 14 21:24:34.606 INFO [stderr] 21 |     ONE_CLASS,
Dec 14 21:24:34.606 INFO [stderr]    |     ^^^^^^^^^
Dec 14 21:24:34.606 INFO [stderr] 
Dec 14 21:24:34.606 INFO [stderr] warning: variant `EPSILON_SVR` should have a camel case name such as `EpsilonSvr`
Dec 14 21:24:34.606 INFO [stderr]   --> src/svm/libsvm/ffi.rs:22:5
Dec 14 21:24:34.606 INFO [stderr]    |
Dec 14 21:24:34.606 INFO [stderr] 22 |     EPSILON_SVR,
Dec 14 21:24:34.606 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 21:24:34.606 INFO [stderr] 
Dec 14 21:24:34.606 INFO [stderr] warning: variant `NU_SVR` should have a camel case name such as `NuSvr`
Dec 14 21:24:34.606 INFO [stderr]   --> src/svm/libsvm/ffi.rs:23:5
Dec 14 21:24:34.606 INFO [stderr]    |
Dec 14 21:24:34.606 INFO [stderr] 23 |     NU_SVR,
Dec 14 21:24:34.606 INFO [stderr]    |     ^^^^^^
Dec 14 21:24:34.606 INFO [stderr] 
Dec 14 21:24:45.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.62s
Dec 14 21:24:45.863 INFO [stderr] su: No module specific data is present
Dec 14 21:24:46.771 INFO running `"docker" "inspect" "4359c573d444b9372df00c0d6322be591df86a3db51708499faecae226728240"`
Dec 14 21:24:47.150 INFO running `"docker" "rm" "-f" "4359c573d444b9372df00c0d6322be591df86a3db51708499faecae226728240"`
Dec 14 21:24:47.419 INFO [stdout] 4359c573d444b9372df00c0d6322be591df86a3db51708499faecae226728240