[INFO] cloning repository https://github.com/mwalczyk/spectrum_learn_rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mwalczyk/spectrum_learn_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwalczyk%2Fspectrum_learn_rs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwalczyk%2Fspectrum_learn_rs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ff55f7439c55e81f8f596dfa409e062cd06441a9 [INFO] checking mwalczyk/spectrum_learn_rs against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwalczyk%2Fspectrum_learn_rs" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mwalczyk/spectrum_learn_rs on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mwalczyk/spectrum_learn_rs [INFO] finished tweaking git repo https://github.com/mwalczyk/spectrum_learn_rs [INFO] tweaked toml for git repo https://github.com/mwalczyk/spectrum_learn_rs written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/mwalczyk/spectrum_learn_rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1ae6a2a333018368adee4061dbdbe3d85be95ecffc513e10b12a2fedeeb39061 [INFO] running `"docker" "start" "-a" "1ae6a2a333018368adee4061dbdbe3d85be95ecffc513e10b12a2fedeeb39061"` [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Compiling serde v0.9.12 [INFO] [stderr] Compiling num-traits v0.1.37 [INFO] [stderr] Checking lazy_static v0.2.5 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling log v0.3.7 [INFO] [stderr] Compiling khronos_api v1.0.0 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking rustc-serialize v0.3.23 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling x11-dl v2.12.0 [INFO] [stderr] Compiling xml-rs v0.3.6 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking fs2 v0.2.5 [INFO] [stderr] Checking shared_library v0.1.5 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking memmap v0.4.0 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling tempfile v2.1.5 [INFO] [stderr] Compiling wayland-scanner v0.7.8 [INFO] [stderr] Compiling gl_generator v0.5.2 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling target_build_utils v0.3.0 [INFO] [stderr] Compiling wayland-client v0.7.8 [INFO] [stderr] Compiling gl v0.6.1 [INFO] [stderr] Compiling glutin v0.7.4 [INFO] [stderr] Checking csv v0.15.0 [INFO] [stderr] Compiling serde_json v0.9.9 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Checking dlib v0.3.1 [INFO] [stderr] Checking wayland-sys v0.7.8 [INFO] [stderr] Checking wayland-window v0.4.4 [INFO] [stderr] Checking wayland-kbd v0.6.3 [INFO] [stderr] Checking winit v0.5.11 [INFO] [stderr] Checking spectrum_learn_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr` [INFO] [stderr] --> src/program.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/program.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/program.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint` [INFO] [stderr] --> src/main.rs:11:26 [INFO] [stderr] | [INFO] [stderr] 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean}; [INFO] [stderr] | ^^^^^^ ^^^^^^ ^^^^^ ^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | / /// Setup the window [INFO] [stderr] 50 | | /// [INFO] [stderr] 51 | | /// [INFO] [stderr] | |_______^ [INFO] [stderr] 52 | let window = glutin::Window::new().unwrap(); [INFO] [stderr] | -------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | / /// Create a VBO and VAO for rendering the scatter plot [INFO] [stderr] 81 | | /// [INFO] [stderr] 82 | | /// [INFO] [stderr] | |___________^ [INFO] [stderr] 83 | gl::GenVertexArrays(1, &mut scatter_vao); [INFO] [stderr] | ---------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:98:9 [INFO] [stderr] | [INFO] [stderr] 98 | / /// Create a VBO and VAO for rendering the best-fit line [INFO] [stderr] 99 | | /// [INFO] [stderr] 100 | | /// [INFO] [stderr] | |___________^ [INFO] [stderr] 101 | gl::GenVertexArrays(1, &mut line_vao); [INFO] [stderr] | ------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | / /// Bind the shader program that will be used to draw the [INFO] [stderr] 117 | | /// scatter plot as well as the best-fit line [INFO] [stderr] 118 | | /// [INFO] [stderr] 119 | | /// [INFO] [stderr] | |___________^ [INFO] [stderr] 120 | points_program.bind(); [INFO] [stderr] | --------------------- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr` [INFO] [stderr] --> src/program.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/program.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/program.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint` [INFO] [stderr] --> src/main.rs:11:26 [INFO] [stderr] | [INFO] [stderr] 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean}; [INFO] [stderr] | ^^^^^^ ^^^^^^ ^^^^^ ^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | / /// Setup the window [INFO] [stderr] 50 | | /// [INFO] [stderr] 51 | | /// [INFO] [stderr] | |_______^ [INFO] [stderr] 52 | let window = glutin::Window::new().unwrap(); [INFO] [stderr] | -------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | / /// Create a VBO and VAO for rendering the scatter plot [INFO] [stderr] 81 | | /// [INFO] [stderr] 82 | | /// [INFO] [stderr] | |___________^ [INFO] [stderr] 83 | gl::GenVertexArrays(1, &mut scatter_vao); [INFO] [stderr] | ---------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:98:9 [INFO] [stderr] | [INFO] [stderr] 98 | / /// Create a VBO and VAO for rendering the best-fit line [INFO] [stderr] 99 | | /// [INFO] [stderr] 100 | | /// [INFO] [stderr] | |___________^ [INFO] [stderr] 101 | gl::GenVertexArrays(1, &mut line_vao); [INFO] [stderr] | ------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | / /// Bind the shader program that will be used to draw the [INFO] [stderr] 117 | | /// scatter plot as well as the best-fit line [INFO] [stderr] 118 | | /// [INFO] [stderr] 119 | | /// [INFO] [stderr] | |___________^ [INFO] [stderr] 120 | points_program.bind(); [INFO] [stderr] | --------------------- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window_size` [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let window_size = window.get_inner_size(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_size` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shader_program` [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shader_program` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Line` [INFO] [stderr] --> src/linear_regression.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Line { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/linear_regression.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Point { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `learning_rate` [INFO] [stderr] --> src/linear_regression.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unbind` [INFO] [stderr] --> src/program.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | pub fn unbind(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | window.make_current(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:154:9 [INFO] [stderr] | [INFO] [stderr] 154 | window.swap_buffers(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window_size` [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let window_size = window.get_inner_size(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_size` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shader_program` [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shader_program` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Line` [INFO] [stderr] --> src/linear_regression.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Line { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/linear_regression.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Point { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `learning_rate` [INFO] [stderr] --> src/linear_regression.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unbind` [INFO] [stderr] --> src/program.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | pub fn unbind(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | window.make_current(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:154:9 [INFO] [stderr] | [INFO] [stderr] 154 | window.swap_buffers(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.73s [INFO] running `"docker" "inspect" "1ae6a2a333018368adee4061dbdbe3d85be95ecffc513e10b12a2fedeeb39061"` [INFO] running `"docker" "rm" "-f" "1ae6a2a333018368adee4061dbdbe3d85be95ecffc513e10b12a2fedeeb39061"` [INFO] [stdout] 1ae6a2a333018368adee4061dbdbe3d85be95ecffc513e10b12a2fedeeb39061