[INFO] updating cached repository https://github.com/Thomspoon/opengl_sdl2_demo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 22c4716b969d07296945fc8a277d0c479d75901b
[INFO] checking Thomspoon/opengl_sdl2_demo against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomspoon%2Fopengl_sdl2_demo" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Thomspoon/opengl_sdl2_demo on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Thomspoon/opengl_sdl2_demo
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/Thomspoon/opengl_sdl2_demo
[INFO] tweaked toml for git repo https://github.com/Thomspoon/opengl_sdl2_demo written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Thomspoon/opengl_sdl2_demo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] eb47afc039db88519a44a39be03cfdb18a2e3f08371f40eb8851c2b80e07c43d
[INFO] running `"docker" "start" "-a" "eb47afc039db88519a44a39be03cfdb18a2e3f08371f40eb8851c2b80e07c43d"`
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking rayon-core v1.0.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]    Compiling gl v0.6.1
[INFO] [stderr]    Compiling opengl_sdl2_demo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sdl2-sys v0.30.0
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> *const __gl_imports::raw::c_void`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::video::GLProfile`
[INFO] [stderr]   --> src/examples/hello_triangle/two_triangles.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use sdl2::video::GLProfile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/hello_triangle/two_triangles.rs:162:25
[INFO] [stderr]     |
[INFO] [stderr] 162 |                         ((VERTEX_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> *const __gl_imports::raw::c_void`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::video::GLProfile`
[INFO] [stderr]   --> src/examples/hello_triangle/two_triangles_and_vbo.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use sdl2::video::GLProfile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/hello_triangle/two_triangles_and_vbo.rs:164:25
[INFO] [stderr]     |
[INFO] [stderr] 164 |                         ((VERTEX_DATA_1.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/hello_triangle/two_triangles_and_vbo.rs:178:25
[INFO] [stderr]     |
[INFO] [stderr] 178 |                         ((VERTEX_DATA_2.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `timer` in this scope
[INFO] [stderr]    --> src/examples/coordinate_systems/mvm_more_cubes.rs:223:26
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let ticks = (timer.ticks() as f32) / 1000.0;
[INFO] [stderr]     |                          ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/examples/textures/../../shader/mod.rs:24:92
[INFO] [stderr]    |
[INFO] [stderr] 24 |         buf_reader.read_to_string(&mut vertex_shader).expect("Could not read vertex path");;
[INFO] [stderr]    |                                                                                            ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/examples/coordinate_systems/../../shader/mod.rs:24:92
[INFO] [stderr]    |
[INFO] [stderr] 24 |         buf_reader.read_to_string(&mut vertex_shader).expect("Could not read vertex path");;
[INFO] [stderr]    |                                                                                            ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> *const __gl_imports::raw::c_void`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> *const __gl_imports::raw::c_void`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::video::GLProfile`
[INFO] [stderr]   --> src/examples/coordinate_systems/mvm_more_cubes.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use sdl2::video::GLProfile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::video::GLProfile`
[INFO] [stderr]   --> src/examples/textures/rectangle_texture.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use sdl2::video::GLProfile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/examples/textures/rectangle_texture.rs:96:25
[INFO] [stderr]    |
[INFO] [stderr] 96 |                         ((VERTEX_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/textures/rectangle_texture.rs:103:24
[INFO] [stderr]     |
[INFO] [stderr] 103 |                        ((INDICES_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/coordinate_systems/mvm_more_cubes.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |                         ((VERTEX_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/examples/coordinate_systems/../../shader/mod.rs:24:92
[INFO] [stderr]    |
[INFO] [stderr] 24 |         buf_reader.read_to_string(&mut vertex_shader).expect("Could not read vertex path");;
[INFO] [stderr]    |                                                                                            ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> *const __gl_imports::raw::c_void`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::video::GLProfile`
[INFO] [stderr]   --> src/examples/coordinate_systems/model_view_matrix.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use sdl2::video::GLProfile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/coordinate_systems/model_view_matrix.rs:138:25
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         ((VERTEX_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/coordinate_systems/model_view_matrix.rs:145:24
[INFO] [stderr]     |
[INFO] [stderr] 145 |                        ((INDICES_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/examples/camera/../../shader/mod.rs:24:92
[INFO] [stderr]    |
[INFO] [stderr] 24 |         buf_reader.read_to_string(&mut vertex_shader).expect("Could not read vertex path");;
[INFO] [stderr]    |                                                                                            ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> *const __gl_imports::raw::c_void`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/examples/transformations/../../shader/mod.rs:24:92
[INFO] [stderr]    |
[INFO] [stderr] 24 |         buf_reader.read_to_string(&mut vertex_shader).expect("Could not read vertex path");;
[INFO] [stderr]    |                                                                                            ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> *const __gl_imports::raw::c_void`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::video::GLProfile`
[INFO] [stderr]   --> src/examples/camera/camera_view.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use sdl2::video::GLProfile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/camera/camera_view.rs:145:25
[INFO] [stderr]     |
[INFO] [stderr] 145 |                         ((VERTEX_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::video::GLProfile`
[INFO] [stderr]   --> src/examples/transformations/transformation.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use sdl2::video::GLProfile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/transformations/transformation.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 |                         ((VERTEX_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/transformations/transformation.rs:108:24
[INFO] [stderr]     |
[INFO] [stderr] 108 |                        ((INDICES_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/examples/camera/../../shader/mod.rs:24:92
[INFO] [stderr]    |
[INFO] [stderr] 24 |         buf_reader.read_to_string(&mut vertex_shader).expect("Could not read vertex path");;
[INFO] [stderr]    |                                                                                            ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> *const __gl_imports::raw::c_void`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::video::GLProfile`
[INFO] [stderr]   --> src/examples/camera/camera_class.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use sdl2::video::GLProfile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/examples/camera/camera_class.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |                         ((VERTEX_DATA.len() * mem::size_of::<GLfloat>()) as GLsizeiptr),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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: variable does not need to be mutable
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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: variable does not need to be mutable
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `opengl_sdl2_demo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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: value assigned to `delta_tick` is never read
[INFO] [stderr]    --> src/examples/camera/camera_class.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |     let mut delta_tick: f32 = 0.0;
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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: unused variable: `camera_up`
[INFO] [stderr]    --> src/examples/camera/camera_view.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let camera_up = camera_dir.cross(camera_right);
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_camera_up`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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: variable does not need to be mutable
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/opengl_sdl2_demo-4e961d3e5b154a7a/out/bindings.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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: constant item is never used: `DEFAULT_YAW`
[INFO] [stderr]  --> src/examples/camera/../../camera/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const DEFAULT_YAW: f32 = -90.0;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_PITCH`
[INFO] [stderr]  --> src/examples/camera/../../camera/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const DEFAULT_PITCH: f32 = 0.0;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ZOOM_LOW`
[INFO] [stderr]   --> src/examples/camera/../../camera/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const ZOOM_LOW: f32 = 1.0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ZOOM_HIGH`
[INFO] [stderr]   --> src/examples/camera/../../camera/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const ZOOM_HIGH: f32 = 45.0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_zoom`
[INFO] [stderr]   --> src/examples/camera/../../camera/mod.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn move_zoom(mut self, zoom: f32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "eb47afc039db88519a44a39be03cfdb18a2e3f08371f40eb8851c2b80e07c43d"`
[INFO] running `"docker" "rm" "-f" "eb47afc039db88519a44a39be03cfdb18a2e3f08371f40eb8851c2b80e07c43d"`
[INFO] [stdout] eb47afc039db88519a44a39be03cfdb18a2e3f08371f40eb8851c2b80e07c43d
