Dec 13 09:36:30.086 INFO testing mwalczyk/spectrum_learn_rs against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 09:36:30.086 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 13 09:36:30.620 INFO [stdout] 5e12584bcf68c5457f717e9713978239faa01ec05b114dddc1a8df25f7c2f362
Dec 13 09:36:30.620 INFO running `"docker" "start" "-a" "5e12584bcf68c5457f717e9713978239faa01ec05b114dddc1a8df25f7c2f362"`
Dec 13 09:36:31.783 INFO [stderr] usermod: no changes
Dec 13 09:36:32.037 INFO [stderr]    Compiling spectrum_learn_rs v0.1.0 (/source)
Dec 13 09:36:32.955 INFO [stderr] warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr`
Dec 13 09:36:32.955 INFO [stderr]  --> src/program.rs:3:17
Dec 13 09:36:32.955 INFO [stderr]   |
Dec 13 09:36:32.955 INFO [stderr] 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Dec 13 09:36:32.955 INFO [stderr]   |                 ^^^^^^^                                 ^^^^^^^^^^  ^^^^^^^^^
Dec 13 09:36:32.955 INFO [stderr]   |
Dec 13 09:36:32.955 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 09:36:32.955 INFO [stderr] 
Dec 13 09:36:32.955 INFO [stderr] warning: unused import: `std::mem`
Dec 13 09:36:32.955 INFO [stderr]  --> src/program.rs:4:5
Dec 13 09:36:32.955 INFO [stderr]   |
Dec 13 09:36:32.955 INFO [stderr] 4 | use std::mem;
Dec 13 09:36:32.955 INFO [stderr]   |     ^^^^^^^^
Dec 13 09:36:32.955 INFO [stderr] 
Dec 13 09:36:32.955 INFO [stderr] warning: unused import: `std::error::Error`
Dec 13 09:36:32.955 INFO [stderr]  --> src/program.rs:9:5
Dec 13 09:36:32.955 INFO [stderr]   |
Dec 13 09:36:32.955 INFO [stderr] 9 | use std::error::Error;
Dec 13 09:36:32.955 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 09:36:32.955 INFO [stderr] 
Dec 13 09:36:32.955 INFO [stderr] warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint`
Dec 13 09:36:32.955 INFO [stderr]   --> src/main.rs:11:26
Dec 13 09:36:32.955 INFO [stderr]    |
Dec 13 09:36:32.955 INFO [stderr] 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Dec 13 09:36:32.955 INFO [stderr]    |                          ^^^^^^  ^^^^^^  ^^^^^  ^^^^^^              ^^^^^^^^^
Dec 13 09:36:32.955 INFO [stderr] 
Dec 13 09:36:32.955 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 09:36:32.955 INFO [stderr]   --> src/main.rs:49:5
Dec 13 09:36:32.955 INFO [stderr]    |
Dec 13 09:36:32.955 INFO [stderr] 49 |     /// Setup the window
Dec 13 09:36:32.955 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:32.955 INFO [stderr]    |
Dec 13 09:36:32.955 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 13 09:36:32.955 INFO [stderr] 
Dec 13 09:36:32.955 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 09:36:32.955 INFO [stderr]   --> src/main.rs:80:9
Dec 13 09:36:32.955 INFO [stderr]    |
Dec 13 09:36:32.955 INFO [stderr] 80 |         /// Create a VBO and VAO for rendering the scatter plot
Dec 13 09:36:32.955 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:32.955 INFO [stderr] 
Dec 13 09:36:32.955 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 09:36:32.955 INFO [stderr]   --> src/main.rs:98:9
Dec 13 09:36:32.955 INFO [stderr]    |
Dec 13 09:36:32.955 INFO [stderr] 98 |         /// Create a VBO and VAO for rendering the best-fit line
Dec 13 09:36:32.955 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:32.955 INFO [stderr] 
Dec 13 09:36:32.955 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 09:36:32.956 INFO [stderr]    --> src/main.rs:116:9
Dec 13 09:36:32.956 INFO [stderr]     |
Dec 13 09:36:32.956 INFO [stderr] 116 |         /// Bind the shader program that will be used to draw the
Dec 13 09:36:32.956 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:32.956 INFO [stderr] 
Dec 13 09:36:33.095 INFO [stderr] warning: unused variable: `window_size`
Dec 13 09:36:33.095 INFO [stderr]   --> src/main.rs:53:9
Dec 13 09:36:33.095 INFO [stderr]    |
Dec 13 09:36:33.095 INFO [stderr] 53 |     let window_size = window.get_inner_size();
Dec 13 09:36:33.095 INFO [stderr]    |         ^^^^^^^^^^^ help: consider using `_window_size` instead
Dec 13 09:36:33.095 INFO [stderr]    |
Dec 13 09:36:33.095 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 09:36:33.095 INFO [stderr] 
Dec 13 09:36:33.095 INFO [stderr] warning: unused variable: `shader_program`
Dec 13 09:36:33.095 INFO [stderr]   --> src/main.rs:67:13
Dec 13 09:36:33.095 INFO [stderr]    |
Dec 13 09:36:33.095 INFO [stderr] 67 |     let mut shader_program = 0;
Dec 13 09:36:33.095 INFO [stderr]    |             ^^^^^^^^^^^^^^ help: consider using `_shader_program` instead
Dec 13 09:36:33.095 INFO [stderr] 
Dec 13 09:36:33.115 INFO [stderr] warning: variable does not need to be mutable
Dec 13 09:36:33.115 INFO [stderr]   --> src/main.rs:67:9
Dec 13 09:36:33.115 INFO [stderr]    |
Dec 13 09:36:33.115 INFO [stderr] 67 |     let mut shader_program = 0;
Dec 13 09:36:33.115 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 13 09:36:33.115 INFO [stderr]    |         |
Dec 13 09:36:33.115 INFO [stderr]    |         help: remove this `mut`
Dec 13 09:36:33.115 INFO [stderr]    |
Dec 13 09:36:33.115 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 09:36:33.115 INFO [stderr] 
Dec 13 09:36:33.122 INFO [stderr] warning: struct is never constructed: `Line`
Dec 13 09:36:33.122 INFO [stderr]  --> src/linear_regression.rs:1:1
Dec 13 09:36:33.122 INFO [stderr]   |
Dec 13 09:36:33.122 INFO [stderr] 1 | pub struct Line {
Dec 13 09:36:33.122 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 13 09:36:33.122 INFO [stderr]   |
Dec 13 09:36:33.123 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 09:36:33.123 INFO [stderr] 
Dec 13 09:36:33.123 INFO [stderr] warning: struct is never constructed: `Point`
Dec 13 09:36:33.123 INFO [stderr]  --> src/linear_regression.rs:6:1
Dec 13 09:36:33.123 INFO [stderr]   |
Dec 13 09:36:33.123 INFO [stderr] 6 | pub struct Point {
Dec 13 09:36:33.123 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 13 09:36:33.123 INFO [stderr] 
Dec 13 09:36:33.123 INFO [stderr] warning: method is never used: `learning_rate`
Dec 13 09:36:33.123 INFO [stderr]   --> src/linear_regression.rs:33:5
Dec 13 09:36:33.123 INFO [stderr]    |
Dec 13 09:36:33.123 INFO [stderr] 33 |     pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> {
Dec 13 09:36:33.123 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:33.123 INFO [stderr] 
Dec 13 09:36:33.123 INFO [stderr] warning: method is never used: `unbind`
Dec 13 09:36:33.123 INFO [stderr]    --> src/program.rs:100:5
Dec 13 09:36:33.123 INFO [stderr]     |
Dec 13 09:36:33.123 INFO [stderr] 100 |     pub fn unbind(&self) {
Dec 13 09:36:33.123 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:33.123 INFO [stderr] 
Dec 13 09:36:33.151 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:36:33.151 INFO [stderr]   --> src/main.rs:70:9
Dec 13 09:36:33.151 INFO [stderr]    |
Dec 13 09:36:33.151 INFO [stderr] 70 |         window.make_current();
Dec 13 09:36:33.151 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:33.151 INFO [stderr]    |
Dec 13 09:36:33.151 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 09:36:33.151 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:36:33.151 INFO [stderr] 
Dec 13 09:36:33.151 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:36:33.151 INFO [stderr]    --> src/main.rs:154:9
Dec 13 09:36:33.151 INFO [stderr]     |
Dec 13 09:36:33.151 INFO [stderr] 154 |         window.swap_buffers();
Dec 13 09:36:33.151 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:33.151 INFO [stderr]     |
Dec 13 09:36:33.151 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:36:33.151 INFO [stderr] 
Dec 13 09:36:38.494 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
Dec 13 09:36:38.495 INFO [stderr] su: No module specific data is present
Dec 13 09:36:39.321 INFO running `"docker" "inspect" "5e12584bcf68c5457f717e9713978239faa01ec05b114dddc1a8df25f7c2f362"`
Dec 13 09:36:39.621 INFO running `"docker" "rm" "-f" "5e12584bcf68c5457f717e9713978239faa01ec05b114dddc1a8df25f7c2f362"`
Dec 13 09:36:39.923 INFO [stdout] 5e12584bcf68c5457f717e9713978239faa01ec05b114dddc1a8df25f7c2f362
Dec 13 09:36:39.931 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 13 09:36:40.488 INFO [stdout] ed272169f25b2129ec3e2a2e04550b9395a5ad7bc6e8d22e63faf8a3f7def84f
Dec 13 09:36:40.490 INFO running `"docker" "start" "-a" "ed272169f25b2129ec3e2a2e04550b9395a5ad7bc6e8d22e63faf8a3f7def84f"`
Dec 13 09:36:42.127 INFO [stderr] usermod: no changes
Dec 13 09:36:42.283 INFO [stderr]    Compiling spectrum_learn_rs v0.1.0 (/source)
Dec 13 09:36:43.103 INFO [stderr] warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr`
Dec 13 09:36:43.103 INFO [stderr]  --> src/program.rs:3:17
Dec 13 09:36:43.103 INFO [stderr]   |
Dec 13 09:36:43.103 INFO [stderr] 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Dec 13 09:36:43.103 INFO [stderr]   |                 ^^^^^^^                                 ^^^^^^^^^^  ^^^^^^^^^
Dec 13 09:36:43.103 INFO [stderr]   |
Dec 13 09:36:43.103 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 09:36:43.103 INFO [stderr] 
Dec 13 09:36:43.103 INFO [stderr] warning: unused import: `std::mem`
Dec 13 09:36:43.103 INFO [stderr]  --> src/program.rs:4:5
Dec 13 09:36:43.103 INFO [stderr]   |
Dec 13 09:36:43.103 INFO [stderr] 4 | use std::mem;
Dec 13 09:36:43.103 INFO [stderr]   |     ^^^^^^^^
Dec 13 09:36:43.103 INFO [stderr] 
Dec 13 09:36:43.103 INFO [stderr] warning: unused import: `std::error::Error`
Dec 13 09:36:43.103 INFO [stderr]  --> src/program.rs:9:5
Dec 13 09:36:43.103 INFO [stderr]   |
Dec 13 09:36:43.103 INFO [stderr] 9 | use std::error::Error;
Dec 13 09:36:43.103 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 09:36:43.103 INFO [stderr] 
Dec 13 09:36:43.103 INFO [stderr] warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint`
Dec 13 09:36:43.103 INFO [stderr]   --> src/main.rs:11:26
Dec 13 09:36:43.103 INFO [stderr]    |
Dec 13 09:36:43.103 INFO [stderr] 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Dec 13 09:36:43.103 INFO [stderr]    |                          ^^^^^^  ^^^^^^  ^^^^^  ^^^^^^              ^^^^^^^^^
Dec 13 09:36:43.103 INFO [stderr] 
Dec 13 09:36:43.103 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 09:36:43.103 INFO [stderr]   --> src/main.rs:49:5
Dec 13 09:36:43.103 INFO [stderr]    |
Dec 13 09:36:43.103 INFO [stderr] 49 |     /// Setup the window
Dec 13 09:36:43.103 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:43.103 INFO [stderr]    |
Dec 13 09:36:43.103 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 13 09:36:43.103 INFO [stderr] 
Dec 13 09:36:43.103 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 09:36:43.103 INFO [stderr]   --> src/main.rs:80:9
Dec 13 09:36:43.103 INFO [stderr]    |
Dec 13 09:36:43.103 INFO [stderr] 80 |         /// Create a VBO and VAO for rendering the scatter plot
Dec 13 09:36:43.103 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:43.103 INFO [stderr] 
Dec 13 09:36:43.103 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 09:36:43.103 INFO [stderr]   --> src/main.rs:98:9
Dec 13 09:36:43.103 INFO [stderr]    |
Dec 13 09:36:43.104 INFO [stderr] 98 |         /// Create a VBO and VAO for rendering the best-fit line
Dec 13 09:36:43.104 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:43.104 INFO [stderr] 
Dec 13 09:36:43.104 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 09:36:43.104 INFO [stderr]    --> src/main.rs:116:9
Dec 13 09:36:43.104 INFO [stderr]     |
Dec 13 09:36:43.104 INFO [stderr] 116 |         /// Bind the shader program that will be used to draw the
Dec 13 09:36:43.104 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:43.104 INFO [stderr] 
Dec 13 09:36:43.199 INFO [stderr] warning: unused variable: `window_size`
Dec 13 09:36:43.199 INFO [stderr]   --> src/main.rs:53:9
Dec 13 09:36:43.199 INFO [stderr]    |
Dec 13 09:36:43.199 INFO [stderr] 53 |     let window_size = window.get_inner_size();
Dec 13 09:36:43.199 INFO [stderr]    |         ^^^^^^^^^^^ help: consider using `_window_size` instead
Dec 13 09:36:43.199 INFO [stderr]    |
Dec 13 09:36:43.199 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 09:36:43.199 INFO [stderr] 
Dec 13 09:36:43.199 INFO [stderr] warning: unused variable: `shader_program`
Dec 13 09:36:43.199 INFO [stderr]   --> src/main.rs:67:13
Dec 13 09:36:43.199 INFO [stderr]    |
Dec 13 09:36:43.199 INFO [stderr] 67 |     let mut shader_program = 0;
Dec 13 09:36:43.199 INFO [stderr]    |             ^^^^^^^^^^^^^^ help: consider using `_shader_program` instead
Dec 13 09:36:43.199 INFO [stderr] 
Dec 13 09:36:43.207 INFO [stderr] warning: variable does not need to be mutable
Dec 13 09:36:43.207 INFO [stderr]   --> src/main.rs:67:9
Dec 13 09:36:43.207 INFO [stderr]    |
Dec 13 09:36:43.207 INFO [stderr] 67 |     let mut shader_program = 0;
Dec 13 09:36:43.207 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 13 09:36:43.207 INFO [stderr]    |         |
Dec 13 09:36:43.207 INFO [stderr]    |         help: remove this `mut`
Dec 13 09:36:43.207 INFO [stderr]    |
Dec 13 09:36:43.207 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 09:36:43.207 INFO [stderr] 
Dec 13 09:36:43.215 INFO [stderr] warning: struct is never constructed: `Line`
Dec 13 09:36:43.215 INFO [stderr]  --> src/linear_regression.rs:1:1
Dec 13 09:36:43.215 INFO [stderr]   |
Dec 13 09:36:43.215 INFO [stderr] 1 | pub struct Line {
Dec 13 09:36:43.215 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 13 09:36:43.215 INFO [stderr]   |
Dec 13 09:36:43.215 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 09:36:43.215 INFO [stderr] 
Dec 13 09:36:43.215 INFO [stderr] warning: struct is never constructed: `Point`
Dec 13 09:36:43.215 INFO [stderr]  --> src/linear_regression.rs:6:1
Dec 13 09:36:43.215 INFO [stderr]   |
Dec 13 09:36:43.215 INFO [stderr] 6 | pub struct Point {
Dec 13 09:36:43.215 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 13 09:36:43.215 INFO [stderr] 
Dec 13 09:36:43.215 INFO [stderr] warning: method is never used: `learning_rate`
Dec 13 09:36:43.215 INFO [stderr]   --> src/linear_regression.rs:33:5
Dec 13 09:36:43.215 INFO [stderr]    |
Dec 13 09:36:43.215 INFO [stderr] 33 |     pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> {
Dec 13 09:36:43.215 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:43.215 INFO [stderr] 
Dec 13 09:36:43.215 INFO [stderr] warning: method is never used: `unbind`
Dec 13 09:36:43.215 INFO [stderr]    --> src/program.rs:100:5
Dec 13 09:36:43.215 INFO [stderr]     |
Dec 13 09:36:43.215 INFO [stderr] 100 |     pub fn unbind(&self) {
Dec 13 09:36:43.215 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:43.215 INFO [stderr] 
Dec 13 09:36:43.239 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:36:43.239 INFO [stderr]   --> src/main.rs:70:9
Dec 13 09:36:43.239 INFO [stderr]    |
Dec 13 09:36:43.239 INFO [stderr] 70 |         window.make_current();
Dec 13 09:36:43.239 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:43.239 INFO [stderr]    |
Dec 13 09:36:43.239 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 09:36:43.239 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:36:43.239 INFO [stderr] 
Dec 13 09:36:43.239 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:36:43.239 INFO [stderr]    --> src/main.rs:154:9
Dec 13 09:36:43.239 INFO [stderr]     |
Dec 13 09:36:43.239 INFO [stderr] 154 |         window.swap_buffers();
Dec 13 09:36:43.239 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:36:43.239 INFO [stderr]     |
Dec 13 09:36:43.239 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:36:43.239 INFO [stderr] 
Dec 13 09:36:43.543 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 13 09:36:43.565 INFO [stderr] su: No module specific data is present
Dec 13 09:36:44.498 INFO running `"docker" "inspect" "ed272169f25b2129ec3e2a2e04550b9395a5ad7bc6e8d22e63faf8a3f7def84f"`
Dec 13 09:36:44.713 INFO running `"docker" "rm" "-f" "ed272169f25b2129ec3e2a2e04550b9395a5ad7bc6e8d22e63faf8a3f7def84f"`
Dec 13 09:36:45.075 INFO [stdout] ed272169f25b2129ec3e2a2e04550b9395a5ad7bc6e8d22e63faf8a3f7def84f
Dec 13 09:36:45.083 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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" "-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 13 09:36:45.651 INFO [stdout] df102dae879aadaec302169798f5fa00ae7f248253474f3c8ad2b1b23f2746e6
Dec 13 09:36:45.653 INFO running `"docker" "start" "-a" "df102dae879aadaec302169798f5fa00ae7f248253474f3c8ad2b1b23f2746e6"`
Dec 13 09:36:47.240 INFO [stderr] usermod: no changes
Dec 13 09:36:47.423 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Dec 13 09:36:47.435 INFO [stderr]      Running /target/debug/deps/spectrum_learn_rs-d1d427d5a0c4606d
Dec 13 09:36:47.435 INFO [stdout] 
Dec 13 09:36:47.435 INFO [stdout] running 0 tests
Dec 13 09:36:47.435 INFO [stdout] 
Dec 13 09:36:47.435 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 09:36:47.435 INFO [stdout] 
Dec 13 09:36:47.436 INFO [stderr] su: No module specific data is present
Dec 13 09:36:48.308 INFO running `"docker" "inspect" "df102dae879aadaec302169798f5fa00ae7f248253474f3c8ad2b1b23f2746e6"`
Dec 13 09:36:48.609 INFO running `"docker" "rm" "-f" "df102dae879aadaec302169798f5fa00ae7f248253474f3c8ad2b1b23f2746e6"`
Dec 13 09:36:48.775 INFO [stdout] df102dae879aadaec302169798f5fa00ae7f248253474f3c8ad2b1b23f2746e6