Dec 01 08:12:02.396 INFO testing mwalczyk/spectrum_learn_rs against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 08:12:02.397 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 08:12:02.848 INFO [stdout] df55ac202cfe8b5d397982a4bcf2b4099da7def1f0014705c6080d0c1ad79a28
Dec 01 08:12:02.852 INFO running `"docker" "start" "-a" "df55ac202cfe8b5d397982a4bcf2b4099da7def1f0014705c6080d0c1ad79a28"`
Dec 01 08:12:03.868 INFO [stderr] usermod: no changes
Dec 01 08:12:04.075 INFO [stderr]    Compiling shared_library v0.1.5
Dec 01 08:12:04.076 INFO [stderr]    Compiling x11-dl v2.12.0
Dec 01 08:12:04.076 INFO [stderr]    Compiling libloading v0.3.4
Dec 01 08:12:05.231 INFO [stderr]    Compiling dlib v0.3.1
Dec 01 08:12:05.343 INFO [stderr]    Compiling osmesa-sys v0.1.2
Dec 01 08:12:05.860 INFO [stderr]    Compiling wayland-sys v0.7.8
Dec 01 08:12:08.135 INFO [stderr]    Compiling wayland-client v0.7.8
Dec 01 08:12:12.203 INFO [stderr]    Compiling wayland-kbd v0.6.3
Dec 01 08:12:12.203 INFO [stderr]    Compiling wayland-window v0.4.4
Dec 01 08:12:16.335 INFO [stderr]    Compiling winit v0.5.11
Dec 01 08:12:21.327 INFO [stderr]    Compiling glutin v0.7.4
Dec 01 08:12:25.027 INFO [stderr]    Compiling spectrum_learn_rs v0.1.0 (/source)
Dec 01 08:12:25.855 INFO [stderr] warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr`
Dec 01 08:12:25.855 INFO [stderr]  --> src/program.rs:3:17
Dec 01 08:12:25.855 INFO [stderr]   |
Dec 01 08:12:25.855 INFO [stderr] 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Dec 01 08:12:25.855 INFO [stderr]   |                 ^^^^^^^                                 ^^^^^^^^^^  ^^^^^^^^^
Dec 01 08:12:25.855 INFO [stderr]   |
Dec 01 08:12:25.855 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 08:12:25.855 INFO [stderr] 
Dec 01 08:12:25.855 INFO [stderr] warning: unused import: `std::mem`
Dec 01 08:12:25.855 INFO [stderr]  --> src/program.rs:4:5
Dec 01 08:12:25.855 INFO [stderr]   |
Dec 01 08:12:25.855 INFO [stderr] 4 | use std::mem;
Dec 01 08:12:25.855 INFO [stderr]   |     ^^^^^^^^
Dec 01 08:12:25.855 INFO [stderr] 
Dec 01 08:12:25.855 INFO [stderr] warning: unused import: `std::error::Error`
Dec 01 08:12:25.855 INFO [stderr]  --> src/program.rs:9:5
Dec 01 08:12:25.855 INFO [stderr]   |
Dec 01 08:12:25.855 INFO [stderr] 9 | use std::error::Error;
Dec 01 08:12:25.855 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 08:12:25.855 INFO [stderr] 
Dec 01 08:12:25.855 INFO [stderr] warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint`
Dec 01 08:12:25.855 INFO [stderr]   --> src/main.rs:11:26
Dec 01 08:12:25.855 INFO [stderr]    |
Dec 01 08:12:25.855 INFO [stderr] 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Dec 01 08:12:25.855 INFO [stderr]    |                          ^^^^^^  ^^^^^^  ^^^^^  ^^^^^^              ^^^^^^^^^
Dec 01 08:12:25.855 INFO [stderr] 
Dec 01 08:12:25.855 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 08:12:25.855 INFO [stderr]   --> src/main.rs:49:5
Dec 01 08:12:25.855 INFO [stderr]    |
Dec 01 08:12:25.855 INFO [stderr] 49 |     /// Setup the window
Dec 01 08:12:25.855 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:25.855 INFO [stderr]    |
Dec 01 08:12:25.855 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 01 08:12:25.855 INFO [stderr] 
Dec 01 08:12:25.855 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 08:12:25.855 INFO [stderr]   --> src/main.rs:80:9
Dec 01 08:12:25.855 INFO [stderr]    |
Dec 01 08:12:25.855 INFO [stderr] 80 |         /// Create a VBO and VAO for rendering the scatter plot
Dec 01 08:12:25.856 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:25.856 INFO [stderr] 
Dec 01 08:12:25.856 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 08:12:25.856 INFO [stderr]   --> src/main.rs:98:9
Dec 01 08:12:25.856 INFO [stderr]    |
Dec 01 08:12:25.856 INFO [stderr] 98 |         /// Create a VBO and VAO for rendering the best-fit line
Dec 01 08:12:25.856 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:25.856 INFO [stderr] 
Dec 01 08:12:25.856 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 08:12:25.856 INFO [stderr]    --> src/main.rs:116:9
Dec 01 08:12:25.856 INFO [stderr]     |
Dec 01 08:12:25.856 INFO [stderr] 116 |         /// Bind the shader program that will be used to draw the
Dec 01 08:12:25.856 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:25.856 INFO [stderr] 
Dec 01 08:12:26.062 INFO [stderr] warning: unused variable: `window_size`
Dec 01 08:12:26.062 INFO [stderr]   --> src/main.rs:53:9
Dec 01 08:12:26.062 INFO [stderr]    |
Dec 01 08:12:26.062 INFO [stderr] 53 |     let window_size = window.get_inner_size();
Dec 01 08:12:26.062 INFO [stderr]    |         ^^^^^^^^^^^ help: consider using `_window_size` instead
Dec 01 08:12:26.062 INFO [stderr]    |
Dec 01 08:12:26.064 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 08:12:26.064 INFO [stderr] 
Dec 01 08:12:26.071 INFO [stderr] warning: unused variable: `shader_program`
Dec 01 08:12:26.072 INFO [stderr]   --> src/main.rs:67:13
Dec 01 08:12:26.072 INFO [stderr]    |
Dec 01 08:12:26.072 INFO [stderr] 67 |     let mut shader_program = 0;
Dec 01 08:12:26.072 INFO [stderr]    |             ^^^^^^^^^^^^^^ help: consider using `_shader_program` instead
Dec 01 08:12:26.072 INFO [stderr] 
Dec 01 08:12:26.087 INFO [stderr] warning: variable does not need to be mutable
Dec 01 08:12:26.087 INFO [stderr]   --> src/main.rs:67:9
Dec 01 08:12:26.087 INFO [stderr]    |
Dec 01 08:12:26.088 INFO [stderr] 67 |     let mut shader_program = 0;
Dec 01 08:12:26.088 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 01 08:12:26.088 INFO [stderr]    |         |
Dec 01 08:12:26.088 INFO [stderr]    |         help: remove this `mut`
Dec 01 08:12:26.099 INFO [stderr]    |
Dec 01 08:12:26.099 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 08:12:26.099 INFO [stderr] 
Dec 01 08:12:26.115 INFO [stderr] warning: struct is never constructed: `Line`
Dec 01 08:12:26.115 INFO [stderr]  --> src/linear_regression.rs:1:1
Dec 01 08:12:26.115 INFO [stderr]   |
Dec 01 08:12:26.115 INFO [stderr] 1 | pub struct Line {
Dec 01 08:12:26.115 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 01 08:12:26.115 INFO [stderr]   |
Dec 01 08:12:26.115 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 08:12:26.115 INFO [stderr] 
Dec 01 08:12:26.115 INFO [stderr] warning: struct is never constructed: `Point`
Dec 01 08:12:26.115 INFO [stderr]  --> src/linear_regression.rs:6:1
Dec 01 08:12:26.115 INFO [stderr]   |
Dec 01 08:12:26.115 INFO [stderr] 6 | pub struct Point {
Dec 01 08:12:26.115 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 01 08:12:26.115 INFO [stderr] 
Dec 01 08:12:26.115 INFO [stderr] warning: method is never used: `learning_rate`
Dec 01 08:12:26.115 INFO [stderr]   --> src/linear_regression.rs:33:5
Dec 01 08:12:26.115 INFO [stderr]    |
Dec 01 08:12:26.115 INFO [stderr] 33 |     pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> {
Dec 01 08:12:26.115 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:26.115 INFO [stderr] 
Dec 01 08:12:26.115 INFO [stderr] warning: method is never used: `unbind`
Dec 01 08:12:26.115 INFO [stderr]    --> src/program.rs:100:5
Dec 01 08:12:26.115 INFO [stderr]     |
Dec 01 08:12:26.115 INFO [stderr] 100 |     pub fn unbind(&self) {
Dec 01 08:12:26.115 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:26.115 INFO [stderr] 
Dec 01 08:12:26.139 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 08:12:26.139 INFO [stderr]   --> src/main.rs:70:9
Dec 01 08:12:26.139 INFO [stderr]    |
Dec 01 08:12:26.139 INFO [stderr] 70 |         window.make_current();
Dec 01 08:12:26.139 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:26.139 INFO [stderr]    |
Dec 01 08:12:26.139 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 08:12:26.139 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 08:12:26.139 INFO [stderr] 
Dec 01 08:12:26.139 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 08:12:26.139 INFO [stderr]    --> src/main.rs:154:9
Dec 01 08:12:26.139 INFO [stderr]     |
Dec 01 08:12:26.139 INFO [stderr] 154 |         window.swap_buffers();
Dec 01 08:12:26.139 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:26.139 INFO [stderr]     |
Dec 01 08:12:26.139 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 08:12:26.139 INFO [stderr] 
Dec 01 08:12:31.008 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.11s
Dec 01 08:12:31.028 INFO [stderr] su: No module specific data is present
Dec 01 08:12:31.942 INFO running `"docker" "inspect" "df55ac202cfe8b5d397982a4bcf2b4099da7def1f0014705c6080d0c1ad79a28"`
Dec 01 08:12:32.215 INFO running `"docker" "rm" "-f" "df55ac202cfe8b5d397982a4bcf2b4099da7def1f0014705c6080d0c1ad79a28"`
Dec 01 08:12:32.470 INFO [stdout] df55ac202cfe8b5d397982a4bcf2b4099da7def1f0014705c6080d0c1ad79a28
Dec 01 08:12:32.473 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 08:12:33.069 INFO [stdout] fcb224ff101a217b975721af3c178373b595337f34e6e27e68bfa1a1a43347bd
Dec 01 08:12:33.071 INFO running `"docker" "start" "-a" "fcb224ff101a217b975721af3c178373b595337f34e6e27e68bfa1a1a43347bd"`
Dec 01 08:12:34.728 INFO [stderr] usermod: no changes
Dec 01 08:12:34.956 INFO [stderr]    Compiling spectrum_learn_rs v0.1.0 (/source)
Dec 01 08:12:35.701 INFO [stderr] warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr`
Dec 01 08:12:35.701 INFO [stderr]  --> src/program.rs:3:17
Dec 01 08:12:35.701 INFO [stderr]   |
Dec 01 08:12:35.701 INFO [stderr] 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Dec 01 08:12:35.701 INFO [stderr]   |                 ^^^^^^^                                 ^^^^^^^^^^  ^^^^^^^^^
Dec 01 08:12:35.701 INFO [stderr]   |
Dec 01 08:12:35.701 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 08:12:35.701 INFO [stderr] 
Dec 01 08:12:35.701 INFO [stderr] warning: unused import: `std::mem`
Dec 01 08:12:35.701 INFO [stderr]  --> src/program.rs:4:5
Dec 01 08:12:35.701 INFO [stderr]   |
Dec 01 08:12:35.701 INFO [stderr] 4 | use std::mem;
Dec 01 08:12:35.701 INFO [stderr]   |     ^^^^^^^^
Dec 01 08:12:35.701 INFO [stderr] 
Dec 01 08:12:35.701 INFO [stderr] warning: unused import: `std::error::Error`
Dec 01 08:12:35.701 INFO [stderr]  --> src/program.rs:9:5
Dec 01 08:12:35.701 INFO [stderr]   |
Dec 01 08:12:35.701 INFO [stderr] 9 | use std::error::Error;
Dec 01 08:12:35.701 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 08:12:35.702 INFO [stderr] 
Dec 01 08:12:35.702 INFO [stderr] warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint`
Dec 01 08:12:35.702 INFO [stderr]   --> src/main.rs:11:26
Dec 01 08:12:35.702 INFO [stderr]    |
Dec 01 08:12:35.702 INFO [stderr] 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Dec 01 08:12:35.702 INFO [stderr]    |                          ^^^^^^  ^^^^^^  ^^^^^  ^^^^^^              ^^^^^^^^^
Dec 01 08:12:35.702 INFO [stderr] 
Dec 01 08:12:35.702 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 08:12:35.702 INFO [stderr]   --> src/main.rs:49:5
Dec 01 08:12:35.702 INFO [stderr]    |
Dec 01 08:12:35.702 INFO [stderr] 49 |     /// Setup the window
Dec 01 08:12:35.702 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:35.702 INFO [stderr]    |
Dec 01 08:12:35.702 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 01 08:12:35.702 INFO [stderr] 
Dec 01 08:12:35.702 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 08:12:35.702 INFO [stderr]   --> src/main.rs:80:9
Dec 01 08:12:35.702 INFO [stderr]    |
Dec 01 08:12:35.702 INFO [stderr] 80 |         /// Create a VBO and VAO for rendering the scatter plot
Dec 01 08:12:35.702 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:35.702 INFO [stderr] 
Dec 01 08:12:35.702 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 08:12:35.702 INFO [stderr]   --> src/main.rs:98:9
Dec 01 08:12:35.702 INFO [stderr]    |
Dec 01 08:12:35.702 INFO [stderr] 98 |         /// Create a VBO and VAO for rendering the best-fit line
Dec 01 08:12:35.702 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:35.702 INFO [stderr] 
Dec 01 08:12:35.702 INFO [stderr] warning: doc comment not used by rustdoc
Dec 01 08:12:35.702 INFO [stderr]    --> src/main.rs:116:9
Dec 01 08:12:35.702 INFO [stderr]     |
Dec 01 08:12:35.702 INFO [stderr] 116 |         /// Bind the shader program that will be used to draw the
Dec 01 08:12:35.702 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:35.702 INFO [stderr] 
Dec 01 08:12:35.807 INFO [stderr] warning: unused variable: `window_size`
Dec 01 08:12:35.807 INFO [stderr]   --> src/main.rs:53:9
Dec 01 08:12:35.808 INFO [stderr]    |
Dec 01 08:12:35.808 INFO [stderr] 53 |     let window_size = window.get_inner_size();
Dec 01 08:12:35.808 INFO [stderr]    |         ^^^^^^^^^^^ help: consider using `_window_size` instead
Dec 01 08:12:35.809 INFO [stderr]    |
Dec 01 08:12:35.809 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 08:12:35.809 INFO [stderr] 
Dec 01 08:12:35.809 INFO [stderr] warning: unused variable: `shader_program`
Dec 01 08:12:35.810 INFO [stderr]   --> src/main.rs:67:13
Dec 01 08:12:35.810 INFO [stderr]    |
Dec 01 08:12:35.810 INFO [stderr] 67 |     let mut shader_program = 0;
Dec 01 08:12:35.810 INFO [stderr]    |             ^^^^^^^^^^^^^^ help: consider using `_shader_program` instead
Dec 01 08:12:35.811 INFO [stderr] 
Dec 01 08:12:35.827 INFO [stderr] warning: variable does not need to be mutable
Dec 01 08:12:35.827 INFO [stderr]   --> src/main.rs:67:9
Dec 01 08:12:35.827 INFO [stderr]    |
Dec 01 08:12:35.828 INFO [stderr] 67 |     let mut shader_program = 0;
Dec 01 08:12:35.828 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 01 08:12:35.828 INFO [stderr]    |         |
Dec 01 08:12:35.829 INFO [stderr]    |         help: remove this `mut`
Dec 01 08:12:35.829 INFO [stderr]    |
Dec 01 08:12:35.829 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 08:12:35.829 INFO [stderr] 
Dec 01 08:12:35.838 INFO [stderr] warning: struct is never constructed: `Line`
Dec 01 08:12:35.838 INFO [stderr]  --> src/linear_regression.rs:1:1
Dec 01 08:12:35.839 INFO [stderr]   |
Dec 01 08:12:35.839 INFO [stderr] 1 | pub struct Line {
Dec 01 08:12:35.839 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 01 08:12:35.839 INFO [stderr]   |
Dec 01 08:12:35.840 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 08:12:35.840 INFO [stderr] 
Dec 01 08:12:35.840 INFO [stderr] warning: struct is never constructed: `Point`
Dec 01 08:12:35.841 INFO [stderr]  --> src/linear_regression.rs:6:1
Dec 01 08:12:35.841 INFO [stderr]   |
Dec 01 08:12:35.841 INFO [stderr] 6 | pub struct Point {
Dec 01 08:12:35.842 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 01 08:12:35.842 INFO [stderr] 
Dec 01 08:12:35.842 INFO [stderr] warning: method is never used: `learning_rate`
Dec 01 08:12:35.842 INFO [stderr]   --> src/linear_regression.rs:33:5
Dec 01 08:12:35.843 INFO [stderr]    |
Dec 01 08:12:35.843 INFO [stderr] 33 |     pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> {
Dec 01 08:12:35.843 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:35.844 INFO [stderr] 
Dec 01 08:12:35.844 INFO [stderr] warning: method is never used: `unbind`
Dec 01 08:12:35.844 INFO [stderr]    --> src/program.rs:100:5
Dec 01 08:12:35.845 INFO [stderr]     |
Dec 01 08:12:35.845 INFO [stderr] 100 |     pub fn unbind(&self) {
Dec 01 08:12:35.845 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:35.845 INFO [stderr] 
Dec 01 08:12:35.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 08:12:35.864 INFO [stderr]   --> src/main.rs:70:9
Dec 01 08:12:35.864 INFO [stderr]    |
Dec 01 08:12:35.864 INFO [stderr] 70 |         window.make_current();
Dec 01 08:12:35.865 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:35.865 INFO [stderr]    |
Dec 01 08:12:35.865 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 08:12:35.866 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 08:12:35.866 INFO [stderr] 
Dec 01 08:12:35.866 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 08:12:35.867 INFO [stderr]    --> src/main.rs:154:9
Dec 01 08:12:35.867 INFO [stderr]     |
Dec 01 08:12:35.867 INFO [stderr] 154 |         window.swap_buffers();
Dec 01 08:12:35.867 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:12:35.868 INFO [stderr]     |
Dec 01 08:12:35.868 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 08:12:35.868 INFO [stderr] 
Dec 01 08:12:36.455 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
Dec 01 08:12:36.467 INFO [stderr] su: No module specific data is present
Dec 01 08:12:37.353 INFO running `"docker" "inspect" "fcb224ff101a217b975721af3c178373b595337f34e6e27e68bfa1a1a43347bd"`
Dec 01 08:12:37.597 INFO running `"docker" "rm" "-f" "fcb224ff101a217b975721af3c178373b595337f34e6e27e68bfa1a1a43347bd"`
Dec 01 08:12:37.895 INFO [stdout] fcb224ff101a217b975721af3c178373b595337f34e6e27e68bfa1a1a43347bd
Dec 01 08:12:37.904 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 08:12:38.336 INFO [stdout] 625adaf3edc7a47ca44275b7b30aa2494997436b5c571f4f2cc92179672a55bc
Dec 01 08:12:38.343 INFO running `"docker" "start" "-a" "625adaf3edc7a47ca44275b7b30aa2494997436b5c571f4f2cc92179672a55bc"`
Dec 01 08:12:39.569 INFO [stderr] usermod: no changes
Dec 01 08:12:39.771 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
Dec 01 08:12:39.783 INFO [stderr]      Running /target/debug/deps/spectrum_learn_rs-05575fdcf211e1f0
Dec 01 08:12:39.785 INFO [stdout] 
Dec 01 08:12:39.785 INFO [stdout] running 0 tests
Dec 01 08:12:39.785 INFO [stdout] 
Dec 01 08:12:39.785 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 08:12:39.785 INFO [stdout] 
Dec 01 08:12:39.788 INFO [stderr] su: No module specific data is present
Dec 01 08:12:40.673 INFO running `"docker" "inspect" "625adaf3edc7a47ca44275b7b30aa2494997436b5c571f4f2cc92179672a55bc"`
Dec 01 08:12:40.999 INFO running `"docker" "rm" "-f" "625adaf3edc7a47ca44275b7b30aa2494997436b5c571f4f2cc92179672a55bc"`
Dec 01 08:12:41.437 INFO [stdout] 625adaf3edc7a47ca44275b7b30aa2494997436b5c571f4f2cc92179672a55bc
