Oct 12 16:52:06.542 INFO checking mwalczyk/spectrum_learn_rs against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:52:06.542 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-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"`
Oct 12 16:52:06.788 INFO blam! e468c36cbff65b5c2130d4c9b1d458c8a43433e04707fc9b15169bc8cf0066a4
Oct 12 16:52:06.791 INFO running `"docker" "start" "-a" "e468c36cbff65b5c2130d4c9b1d458c8a43433e04707fc9b15169bc8cf0066a4"`
Oct 12 16:52:07.886 INFO kablam! usermod: no changes
Oct 12 16:52:08.084 INFO kablam!     Checking osmesa-sys v0.1.2
Oct 12 16:52:08.084 INFO kablam!    Compiling gl v0.6.1
Oct 12 16:52:08.086 INFO kablam!     Checking x11-dl v2.12.0
Oct 12 16:52:08.087 INFO kablam!     Checking libloading v0.3.4
Oct 12 16:52:08.649 INFO kablam!     Checking dlib v0.3.1
Oct 12 16:52:09.121 INFO kablam!     Checking wayland-sys v0.7.8
Oct 12 16:52:10.172 INFO kablam!     Checking wayland-client v0.7.8
Oct 12 16:52:14.496 INFO kablam!     Checking wayland-kbd v0.6.3
Oct 12 16:52:14.496 INFO kablam!     Checking wayland-window v0.4.4
Oct 12 16:52:17.826 INFO kablam!     Checking winit v0.5.11
Oct 12 16:52:20.741 INFO kablam!     Checking glutin v0.7.4
Oct 12 16:52:25.556 INFO kablam!     Checking spectrum_learn_rs v0.1.0 (/source)
Oct 12 16:52:26.716 INFO kablam! warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr`
Oct 12 16:52:26.716 INFO kablam!  --> src/program.rs:3:17
Oct 12 16:52:26.716 INFO kablam!   |
Oct 12 16:52:26.716 INFO kablam! 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Oct 12 16:52:26.717 INFO kablam!   |                 ^^^^^^^                                 ^^^^^^^^^^  ^^^^^^^^^
Oct 12 16:52:26.717 INFO kablam!   |
Oct 12 16:52:26.717 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 16:52:26.717 INFO kablam! 
Oct 12 16:52:26.717 INFO kablam! warning: unused import: `std::mem`
Oct 12 16:52:26.717 INFO kablam!  --> src/program.rs:4:5
Oct 12 16:52:26.717 INFO kablam!   |
Oct 12 16:52:26.717 INFO kablam! 4 | use std::mem;
Oct 12 16:52:26.717 INFO kablam!   |     ^^^^^^^^
Oct 12 16:52:26.717 INFO kablam! 
Oct 12 16:52:26.717 INFO kablam! warning: unused import: `std::error::Error`
Oct 12 16:52:26.717 INFO kablam!  --> src/program.rs:9:5
Oct 12 16:52:26.717 INFO kablam!   |
Oct 12 16:52:26.717 INFO kablam! 9 | use std::error::Error;
Oct 12 16:52:26.717 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.717 INFO kablam! 
Oct 12 16:52:26.717 INFO kablam! warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint`
Oct 12 16:52:26.717 INFO kablam!   --> src/main.rs:11:26
Oct 12 16:52:26.717 INFO kablam!    |
Oct 12 16:52:26.717 INFO kablam! 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Oct 12 16:52:26.717 INFO kablam!    |                          ^^^^^^  ^^^^^^  ^^^^^  ^^^^^^              ^^^^^^^^^
Oct 12 16:52:26.717 INFO kablam! 
Oct 12 16:52:26.717 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 16:52:26.717 INFO kablam!   --> src/main.rs:49:5
Oct 12 16:52:26.717 INFO kablam!    |
Oct 12 16:52:26.717 INFO kablam! 49 |     /// Setup the window
Oct 12 16:52:26.717 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.717 INFO kablam!    |
Oct 12 16:52:26.717 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Oct 12 16:52:26.717 INFO kablam! 
Oct 12 16:52:26.717 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 16:52:26.717 INFO kablam!   --> src/main.rs:80:9
Oct 12 16:52:26.717 INFO kablam!    |
Oct 12 16:52:26.717 INFO kablam! 80 |         /// Create a VBO and VAO for rendering the scatter plot
Oct 12 16:52:26.717 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.717 INFO kablam! 
Oct 12 16:52:26.717 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 16:52:26.717 INFO kablam!   --> src/main.rs:98:9
Oct 12 16:52:26.717 INFO kablam!    |
Oct 12 16:52:26.717 INFO kablam! 98 |         /// Create a VBO and VAO for rendering the best-fit line
Oct 12 16:52:26.717 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.717 INFO kablam! 
Oct 12 16:52:26.717 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 16:52:26.717 INFO kablam!    --> src/main.rs:116:9
Oct 12 16:52:26.717 INFO kablam!     |
Oct 12 16:52:26.717 INFO kablam! 116 |         /// Bind the shader program that will be used to draw the
Oct 12 16:52:26.717 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.717 INFO kablam! 
Oct 12 16:52:26.880 INFO kablam! warning: unused variable: `window_size`
Oct 12 16:52:26.880 INFO kablam!   --> src/main.rs:53:9
Oct 12 16:52:26.880 INFO kablam!    |
Oct 12 16:52:26.880 INFO kablam! 53 |     let window_size = window.get_inner_size();
Oct 12 16:52:26.880 INFO kablam!    |         ^^^^^^^^^^^ help: consider using `_window_size` instead
Oct 12 16:52:26.880 INFO kablam!    |
Oct 12 16:52:26.880 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 16:52:26.880 INFO kablam! 
Oct 12 16:52:26.880 INFO kablam! warning: unused variable: `shader_program`
Oct 12 16:52:26.880 INFO kablam!   --> src/main.rs:67:13
Oct 12 16:52:26.880 INFO kablam!    |
Oct 12 16:52:26.880 INFO kablam! 67 |     let mut shader_program = 0;
Oct 12 16:52:26.880 INFO kablam!    |             ^^^^^^^^^^^^^^ help: consider using `_shader_program` instead
Oct 12 16:52:26.880 INFO kablam! 
Oct 12 16:52:26.904 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:52:26.904 INFO kablam!   --> src/main.rs:67:9
Oct 12 16:52:26.904 INFO kablam!    |
Oct 12 16:52:26.904 INFO kablam! 67 |     let mut shader_program = 0;
Oct 12 16:52:26.904 INFO kablam!    |         ----^^^^^^^^^^^^^^
Oct 12 16:52:26.904 INFO kablam!    |         |
Oct 12 16:52:26.904 INFO kablam!    |         help: remove this `mut`
Oct 12 16:52:26.904 INFO kablam!    |
Oct 12 16:52:26.904 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 16:52:26.904 INFO kablam! 
Oct 12 16:52:26.924 INFO kablam! warning: struct is never constructed: `Line`
Oct 12 16:52:26.924 INFO kablam!  --> src/linear_regression.rs:1:1
Oct 12 16:52:26.924 INFO kablam!   |
Oct 12 16:52:26.924 INFO kablam! 1 | pub struct Line {
Oct 12 16:52:26.924 INFO kablam!   | ^^^^^^^^^^^^^^^
Oct 12 16:52:26.924 INFO kablam!   |
Oct 12 16:52:26.936 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 16:52:26.936 INFO kablam! 
Oct 12 16:52:26.936 INFO kablam! warning: struct is never constructed: `Point`
Oct 12 16:52:26.936 INFO kablam!  --> src/linear_regression.rs:6:1
Oct 12 16:52:26.936 INFO kablam!   |
Oct 12 16:52:26.936 INFO kablam! 6 | pub struct Point {
Oct 12 16:52:26.936 INFO kablam!   | ^^^^^^^^^^^^^^^^
Oct 12 16:52:26.936 INFO kablam! 
Oct 12 16:52:26.936 INFO kablam! warning: method is never used: `learning_rate`
Oct 12 16:52:26.936 INFO kablam!   --> src/linear_regression.rs:33:5
Oct 12 16:52:26.936 INFO kablam!    |
Oct 12 16:52:26.936 INFO kablam! 33 |     pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> {
Oct 12 16:52:26.936 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.936 INFO kablam! 
Oct 12 16:52:26.936 INFO kablam! warning: method is never used: `unbind`
Oct 12 16:52:26.936 INFO kablam!    --> src/program.rs:100:5
Oct 12 16:52:26.936 INFO kablam!     |
Oct 12 16:52:26.936 INFO kablam! 100 |     pub fn unbind(&self) {
Oct 12 16:52:26.937 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.937 INFO kablam! 
Oct 12 16:52:26.964 INFO kablam! warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr`
Oct 12 16:52:26.964 INFO kablam!  --> src/program.rs:3:17
Oct 12 16:52:26.964 INFO kablam!   |
Oct 12 16:52:26.964 INFO kablam! 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Oct 12 16:52:26.964 INFO kablam!   |                 ^^^^^^^                                 ^^^^^^^^^^  ^^^^^^^^^
Oct 12 16:52:26.964 INFO kablam!   |
Oct 12 16:52:26.964 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 16:52:26.964 INFO kablam! 
Oct 12 16:52:26.964 INFO kablam! warning: unused import: `std::mem`
Oct 12 16:52:26.964 INFO kablam!  --> src/program.rs:4:5
Oct 12 16:52:26.965 INFO kablam!   |
Oct 12 16:52:26.965 INFO kablam! 4 | use std::mem;
Oct 12 16:52:26.965 INFO kablam!   |     ^^^^^^^^
Oct 12 16:52:26.965 INFO kablam! 
Oct 12 16:52:26.965 INFO kablam! warning: unused import: `std::error::Error`
Oct 12 16:52:26.965 INFO kablam!  --> src/program.rs:9:5
Oct 12 16:52:26.965 INFO kablam!   |
Oct 12 16:52:26.965 INFO kablam! 9 | use std::error::Error;
Oct 12 16:52:26.965 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.965 INFO kablam! 
Oct 12 16:52:26.965 INFO kablam! warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint`
Oct 12 16:52:26.965 INFO kablam!   --> src/main.rs:11:26
Oct 12 16:52:26.965 INFO kablam!    |
Oct 12 16:52:26.965 INFO kablam! 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean};
Oct 12 16:52:26.965 INFO kablam!    |                          ^^^^^^  ^^^^^^  ^^^^^  ^^^^^^              ^^^^^^^^^
Oct 12 16:52:26.965 INFO kablam! 
Oct 12 16:52:26.965 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 16:52:26.965 INFO kablam!   --> src/main.rs:49:5
Oct 12 16:52:26.965 INFO kablam!    |
Oct 12 16:52:26.965 INFO kablam! 49 |     /// Setup the window
Oct 12 16:52:26.965 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.965 INFO kablam!    |
Oct 12 16:52:26.965 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Oct 12 16:52:26.965 INFO kablam! 
Oct 12 16:52:26.965 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 16:52:26.965 INFO kablam!   --> src/main.rs:80:9
Oct 12 16:52:26.965 INFO kablam!    |
Oct 12 16:52:26.965 INFO kablam! 80 |         /// Create a VBO and VAO for rendering the scatter plot
Oct 12 16:52:26.965 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.965 INFO kablam! 
Oct 12 16:52:26.965 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 16:52:26.965 INFO kablam!   --> src/main.rs:98:9
Oct 12 16:52:26.965 INFO kablam!    |
Oct 12 16:52:26.965 INFO kablam! 98 |         /// Create a VBO and VAO for rendering the best-fit line
Oct 12 16:52:26.965 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.965 INFO kablam! 
Oct 12 16:52:26.965 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 16:52:26.965 INFO kablam!    --> src/main.rs:116:9
Oct 12 16:52:26.965 INFO kablam!     |
Oct 12 16:52:26.965 INFO kablam! 116 |         /// Bind the shader program that will be used to draw the
Oct 12 16:52:26.965 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:26.965 INFO kablam! 
Oct 12 16:52:26.984 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:52:26.984 INFO kablam!   --> src/main.rs:70:9
Oct 12 16:52:26.984 INFO kablam!    |
Oct 12 16:52:26.984 INFO kablam! 70 |         window.make_current();
Oct 12 16:52:26.984 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:27.008 INFO kablam!    |
Oct 12 16:52:27.008 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:52:27.009 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:52:27.009 INFO kablam! 
Oct 12 16:52:27.009 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:52:27.009 INFO kablam!    --> src/main.rs:154:9
Oct 12 16:52:27.009 INFO kablam!     |
Oct 12 16:52:27.009 INFO kablam! 154 |         window.swap_buffers();
Oct 12 16:52:27.009 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:27.009 INFO kablam!     |
Oct 12 16:52:27.009 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:52:27.009 INFO kablam! 
Oct 12 16:52:27.152 INFO kablam! warning: unused variable: `window_size`
Oct 12 16:52:27.152 INFO kablam!   --> src/main.rs:53:9
Oct 12 16:52:27.152 INFO kablam!    |
Oct 12 16:52:27.152 INFO kablam! 53 |     let window_size = window.get_inner_size();
Oct 12 16:52:27.152 INFO kablam!    |         ^^^^^^^^^^^ help: consider using `_window_size` instead
Oct 12 16:52:27.152 INFO kablam!    |
Oct 12 16:52:27.152 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 16:52:27.152 INFO kablam! 
Oct 12 16:52:27.152 INFO kablam! warning: unused variable: `shader_program`
Oct 12 16:52:27.152 INFO kablam!   --> src/main.rs:67:13
Oct 12 16:52:27.152 INFO kablam!    |
Oct 12 16:52:27.152 INFO kablam! 67 |     let mut shader_program = 0;
Oct 12 16:52:27.152 INFO kablam!    |             ^^^^^^^^^^^^^^ help: consider using `_shader_program` instead
Oct 12 16:52:27.152 INFO kablam! 
Oct 12 16:52:27.164 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:52:27.164 INFO kablam!   --> src/main.rs:67:9
Oct 12 16:52:27.164 INFO kablam!    |
Oct 12 16:52:27.164 INFO kablam! 67 |     let mut shader_program = 0;
Oct 12 16:52:27.164 INFO kablam!    |         ----^^^^^^^^^^^^^^
Oct 12 16:52:27.164 INFO kablam!    |         |
Oct 12 16:52:27.164 INFO kablam!    |         help: remove this `mut`
Oct 12 16:52:27.164 INFO kablam!    |
Oct 12 16:52:27.164 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 16:52:27.164 INFO kablam! 
Oct 12 16:52:27.176 INFO kablam! warning: struct is never constructed: `Line`
Oct 12 16:52:27.176 INFO kablam!  --> src/linear_regression.rs:1:1
Oct 12 16:52:27.176 INFO kablam!   |
Oct 12 16:52:27.176 INFO kablam! 1 | pub struct Line {
Oct 12 16:52:27.176 INFO kablam!   | ^^^^^^^^^^^^^^^
Oct 12 16:52:27.176 INFO kablam!   |
Oct 12 16:52:27.176 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 16:52:27.176 INFO kablam! 
Oct 12 16:52:27.176 INFO kablam! warning: struct is never constructed: `Point`
Oct 12 16:52:27.176 INFO kablam!  --> src/linear_regression.rs:6:1
Oct 12 16:52:27.176 INFO kablam!   |
Oct 12 16:52:27.176 INFO kablam! 6 | pub struct Point {
Oct 12 16:52:27.176 INFO kablam!   | ^^^^^^^^^^^^^^^^
Oct 12 16:52:27.176 INFO kablam! 
Oct 12 16:52:27.176 INFO kablam! warning: method is never used: `learning_rate`
Oct 12 16:52:27.176 INFO kablam!   --> src/linear_regression.rs:33:5
Oct 12 16:52:27.176 INFO kablam!    |
Oct 12 16:52:27.176 INFO kablam! 33 |     pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> {
Oct 12 16:52:27.176 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:27.176 INFO kablam! 
Oct 12 16:52:27.176 INFO kablam! warning: method is never used: `unbind`
Oct 12 16:52:27.176 INFO kablam!    --> src/program.rs:100:5
Oct 12 16:52:27.176 INFO kablam!     |
Oct 12 16:52:27.176 INFO kablam! 100 |     pub fn unbind(&self) {
Oct 12 16:52:27.177 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:27.177 INFO kablam! 
Oct 12 16:52:27.212 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:52:27.212 INFO kablam!   --> src/main.rs:70:9
Oct 12 16:52:27.212 INFO kablam!    |
Oct 12 16:52:27.212 INFO kablam! 70 |         window.make_current();
Oct 12 16:52:27.212 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:27.212 INFO kablam!    |
Oct 12 16:52:27.212 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:52:27.212 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:52:27.212 INFO kablam! 
Oct 12 16:52:27.212 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:52:27.212 INFO kablam!    --> src/main.rs:154:9
Oct 12 16:52:27.212 INFO kablam!     |
Oct 12 16:52:27.212 INFO kablam! 154 |         window.swap_buffers();
Oct 12 16:52:27.212 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:52:27.212 INFO kablam!     |
Oct 12 16:52:27.212 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:52:27.212 INFO kablam! 
Oct 12 16:52:27.248 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.33s
Oct 12 16:52:27.256 INFO kablam! su: No module specific data is present
Oct 12 16:52:28.466 INFO running `"docker" "rm" "-f" "e468c36cbff65b5c2130d4c9b1d458c8a43433e04707fc9b15169bc8cf0066a4"`
Oct 12 16:52:28.830 INFO blam! e468c36cbff65b5c2130d4c9b1d458c8a43433e04707fc9b15169bc8cf0066a4