[INFO] updating cached repository mwalczyk/spectrum_learn_rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mwalczyk/spectrum_learn_rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/spectrum_learn_rs" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/mwalczyk/spectrum_learn_rs"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/mwalczyk/spectrum_learn_rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/spectrum_learn_rs" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/mwalczyk/spectrum_learn_rs"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/mwalczyk/spectrum_learn_rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ff55f7439c55e81f8f596dfa409e062cd06441a9 [INFO] sha for GitHub repo mwalczyk/spectrum_learn_rs: ff55f7439c55e81f8f596dfa409e062cd06441a9 [INFO] validating manifest of mwalczyk/spectrum_learn_rs on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mwalczyk/spectrum_learn_rs on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mwalczyk/spectrum_learn_rs [INFO] finished frobbing mwalczyk/spectrum_learn_rs [INFO] frobbed toml for mwalczyk/spectrum_learn_rs written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/mwalczyk/spectrum_learn_rs/Cargo.toml [INFO] started frobbing mwalczyk/spectrum_learn_rs [INFO] finished frobbing mwalczyk/spectrum_learn_rs [INFO] frobbed toml for mwalczyk/spectrum_learn_rs written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/mwalczyk/spectrum_learn_rs/Cargo.toml [INFO] crate mwalczyk/spectrum_learn_rs has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mwalczyk/spectrum_learn_rs against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-1/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/mwalczyk/spectrum_learn_rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 252aca487cf0e425d96dddc8fe95ffe9387149d633c347b274df06fa6a27cab9 [INFO] running `"docker" "start" "-a" "252aca487cf0e425d96dddc8fe95ffe9387149d633c347b274df06fa6a27cab9"` [INFO] [stderr] Checking shared_library v0.1.5 [INFO] [stderr] Checking x11-dl v2.12.0 [INFO] [stderr] Checking libloading v0.3.4 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking dlib v0.3.1 [INFO] [stderr] Checking wayland-sys v0.7.8 [INFO] [stderr] Checking wayland-client v0.7.8 [INFO] [stderr] Checking wayland-kbd v0.6.3 [INFO] [stderr] Checking wayland-window v0.4.4 [INFO] [stderr] Checking winit v0.5.11 [INFO] [stderr] Checking glutin v0.7.4 [INFO] [stderr] Checking spectrum_learn_rs v0.1.0 (/opt/crater/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: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | /// Setup the window [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | /// Create a VBO and VAO for rendering the scatter plot [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | /// Setup the window [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | /// Create a VBO and VAO for rendering the scatter plot [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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: consider prefixing 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:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing 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:1:1 [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:6:1 [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: consider prefixing 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:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing 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:1:1 [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:6:1 [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] Finished dev [unoptimized + debuginfo] target(s) in 11.08s [INFO] running `"docker" "inspect" "252aca487cf0e425d96dddc8fe95ffe9387149d633c347b274df06fa6a27cab9"` [INFO] running `"docker" "rm" "-f" "252aca487cf0e425d96dddc8fe95ffe9387149d633c347b274df06fa6a27cab9"` [INFO] [stdout] 252aca487cf0e425d96dddc8fe95ffe9387149d633c347b274df06fa6a27cab9