[INFO] crate e2r 0.10.0 is already in cache
[INFO] extracting crate e2r 0.10.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/e2r/0.10.0
[INFO] extracting crate e2r 0.10.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/e2r/0.10.0
[INFO] validating manifest of e2r-0.10.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of e2r-0.10.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing e2r-0.10.0
[INFO] finished frobbing e2r-0.10.0
[INFO] frobbed toml for e2r-0.10.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/e2r/0.10.0/Cargo.toml
[INFO] started frobbing e2r-0.10.0
[INFO] finished frobbing e2r-0.10.0
[INFO] frobbed toml for e2r-0.10.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/e2r/0.10.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking e2r-0.10.0 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-5/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/e2r/0.10.0:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e46dfa699aeb7785f86c3d61428a3b349f02464ca80d6e19fc0c24a005b06b26
[INFO] running `"docker" "start" "-a" "e46dfa699aeb7785f86c3d61428a3b349f02464ca80d6e19fc0c24a005b06b26"`
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking image v0.17.0
[INFO] [stderr]     Checking winit v0.19.1
[INFO] [stderr]     Checking glutin v0.20.0
[INFO] [stderr]     Checking e2r v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `interface::i_file::IParseStr`
[INFO] [stderr]   --> core/implement/file/wavefrontobj.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use interface::i_file::IParseStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> core/implement/file/wavefrontcomp.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f32`
[INFO] [stderr]  --> core/implement/file/wavefrontcomp.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::f32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::nom::digit`
[INFO] [stderr]   --> core/implement/file/wavefrontcomp.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use self::nom::digit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::glutin::Context`
[INFO] [stderr]  --> core/implement/window/winglutin.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::glutin::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PhysicalPosition`, `PhysicalSize`
[INFO] [stderr]  --> core/implement/window/winglutin.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::glutin::dpi::{LogicalSize,PhysicalSize,PhysicalPosition};
[INFO] [stderr]   |                                     ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interface::i_interpolate::*`
[INFO] [stderr]  --> core/implement/cam/camguide.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use interface::i_interpolate::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::mazth::mat::*`
[INFO] [stderr]  --> core/implement/cam/camguide.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::mazth::mat::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::mazth::i_comparable::IComparableError`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use self::mazth::i_comparable::IComparableError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interface::i_interpolate::IInterpolate`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use interface::i_interpolate::IInterpolate;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interface::i_step::Step`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use interface::i_step::Step;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `implement::step::step_interpolate`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use implement::step::step_interpolate;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interface::i_file::IParseStr`
[INFO] [stderr]   --> core/implement/file/wavefrontobj.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use interface::i_file::IParseStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> core/implement/file/wavefrontcomp.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f32`
[INFO] [stderr]  --> core/implement/file/wavefrontcomp.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::f32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::nom::digit`
[INFO] [stderr]   --> core/implement/file/wavefrontcomp.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use self::nom::digit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::glutin::Context`
[INFO] [stderr]  --> core/implement/window/winglutin.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::glutin::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PhysicalPosition`, `PhysicalSize`
[INFO] [stderr]  --> core/implement/window/winglutin.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::glutin::dpi::{LogicalSize,PhysicalSize,PhysicalPosition};
[INFO] [stderr]   |                                     ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interface::i_interpolate::*`
[INFO] [stderr]  --> core/implement/cam/camguide.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use interface::i_interpolate::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::mazth::mat::*`
[INFO] [stderr]  --> core/implement/cam/camguide.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::mazth::mat::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::mazth::i_comparable::IComparableError`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use self::mazth::i_comparable::IComparableError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interface::i_interpolate::IInterpolate`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use interface::i_interpolate::IInterpolate;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interface::i_step::Step`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use interface::i_step::Step;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `implement::step::step_interpolate`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use implement::step::step_interpolate;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `progress` is never read
[INFO] [stderr]    --> core/implement/file/wavefrontobj.rs:512:17
[INFO] [stderr]     |
[INFO] [stderr] 512 |         let mut progress = false;
[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: value assigned to `progress` is never read
[INFO] [stderr]    --> core/implement/file/wavefrontobj.rs:512:17
[INFO] [stderr]     |
[INFO] [stderr] 512 |         let mut progress = false;
[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: unused variable: `pos`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:29:30
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn set_next( & mut self, pos: Mat4x1<f64> ){
[INFO] [stderr]    |                              ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win_offset`
[INFO] [stderr]    --> core/implement/logic/game0.rs:324:68
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn transition_states( & mut self, inputs: & [ InputFiltered ], win_offset: (i32,i32), win_size: (u32,u32) ) -> GameStateChangePending {
[INFO] [stderr]     |                                                                    ^^^^^^^^^^ help: consider prefixing with an underscore: `_win_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win_size`
[INFO] [stderr]    --> core/implement/logic/game0.rs:324:91
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn transition_states( & mut self, inputs: & [ InputFiltered ], win_offset: (i32,i32), win_size: (u32,u32) ) -> GameStateChangePending {
[INFO] [stderr]     |                                                                                           ^^^^^^^^ help: consider prefixing with an underscore: `_win_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win_size`
[INFO] [stderr]   --> core/implement/ui/input_default_glutin.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let win_size = input.2;
[INFO] [stderr]    |             ^^^^^^^^ help: consider prefixing with an underscore: `_win_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logical_size`
[INFO] [stderr]   --> core/implement/ui/input_default_glutin.rs:50:48
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 &glutin::WindowEvent::Resized( logical_size ) => { //todo
[INFO] [stderr]    |                                                ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_logical_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win_offset`
[INFO] [stderr]   --> core/implement/ui/ui_cam.rs:30:53
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn process( & mut self, i: & InputFiltered, win_offset: (i32,i32), win_size: (u32,u32) ) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_win_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]   --> core/implement/cam/camguide.rs:29:30
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn set_next( & mut self, pos: Mat4x1<f64> ){
[INFO] [stderr]    |                              ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win_offset`
[INFO] [stderr]    --> core/implement/logic/game0.rs:324:68
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn transition_states( & mut self, inputs: & [ InputFiltered ], win_offset: (i32,i32), win_size: (u32,u32) ) -> GameStateChangePending {
[INFO] [stderr]     |                                                                    ^^^^^^^^^^ help: consider prefixing with an underscore: `_win_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win_size`
[INFO] [stderr]    --> core/implement/logic/game0.rs:324:91
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn transition_states( & mut self, inputs: & [ InputFiltered ], win_offset: (i32,i32), win_size: (u32,u32) ) -> GameStateChangePending {
[INFO] [stderr]     |                                                                                           ^^^^^^^^ help: consider prefixing with an underscore: `_win_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win_size`
[INFO] [stderr]   --> core/implement/ui/input_default_glutin.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let win_size = input.2;
[INFO] [stderr]    |             ^^^^^^^^ help: consider prefixing with an underscore: `_win_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logical_size`
[INFO] [stderr]   --> core/implement/ui/input_default_glutin.rs:50:48
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 &glutin::WindowEvent::Resized( logical_size ) => { //todo
[INFO] [stderr]    |                                                ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_logical_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `win_offset`
[INFO] [stderr]   --> core/implement/ui/ui_cam.rs:30:53
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn process( & mut self, i: & InputFiltered, win_offset: (i32,i32), win_size: (u32,u32) ) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_win_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/interface/i_component.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             uc.set_group( shader_program as _, **k, (**v).clone() ).is_ok();            
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/interface/i_kernel.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             (self.as_mut() as & mut R).process_render_events( events_render ).is_ok();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/implement/file/ppm.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     buf_reader.read_to_end( & mut content ).is_ok();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/interface/i_component.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             uc.set_group( shader_program as _, **k, (**v).clone() ).is_ok();            
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/interface/i_kernel.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             (self.as_mut() as & mut R).process_render_events( events_render ).is_ok();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/implement/render/renderer_gl.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         self._shader_collection.borrow_mut().clear().is_ok(); //does DeleteProgram
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/implement/render/renderer_gl.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         self.add_obj( dummy_str, i_ele::Ele::init( render_commands::CmdDrawGroupClear::init( draw_group ) ) ).is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         self.add_obj( dummy_str, i_ele::Ele::init( render_commands::CmdDrawGroupBind::init( draw_group ) ) ).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         self.add_obj( dummy_str, i_ele::Ele::init( render_commands::CmdDrawGroupDependentUniforms::init( draw_group, &[0u64,1u64] ) ) ).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         self.add_obj( dummy_str, i_ele::Ele::init( render_commands::CmdDrawGroupDispatch::init( draw_group ) ) ).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 self._shader_collection.borrow_mut().put( i as u64, router::ShaderType::GLSL, util_gl::create_program_from_shaders( compiled_shaders.as_slice() ) as _, String::from("ads_program") ).is_ok();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:334:25
[INFO] [stderr]     |
[INFO] [stderr] 334 |                         renderer.reset_draw_group_data( &[ o._group_id ] ).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/implement/file/ppm.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     buf_reader.read_to_end( & mut content ).is_ok();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:342:25
[INFO] [stderr]     |
[INFO] [stderr] 342 |                         renderer.bind_draw_group_data( &[ o._group_id ] ).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:350:25
[INFO] [stderr]     |
[INFO] [stderr] 350 |                         renderer.set_draw_group_uniforms( o._group_id, &o._uniform_ids[..] ).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:359:25
[INFO] [stderr]     |
[INFO] [stderr] 359 |                         Renderer::drawcall_draw_group( renderer_immut, &[ o._group_id ] ).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/implement/render/renderer_gl.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         self._shader_collection.borrow_mut().clear().is_ok(); //does DeleteProgram
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> core/implement/render/renderer_gl.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         self.add_obj( dummy_str, i_ele::Ele::init( render_commands::CmdDrawGroupClear::init( draw_group ) ) ).is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         self.add_obj( dummy_str, i_ele::Ele::init( render_commands::CmdDrawGroupBind::init( draw_group ) ) ).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         self.add_obj( dummy_str, i_ele::Ele::init( render_commands::CmdDrawGroupDependentUniforms::init( draw_group, &[0u64,1u64] ) ) ).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         self.add_obj( dummy_str, i_ele::Ele::init( render_commands::CmdDrawGroupDispatch::init( draw_group ) ) ).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 self._shader_collection.borrow_mut().put( i as u64, router::ShaderType::GLSL, util_gl::create_program_from_shaders( compiled_shaders.as_slice() ) as _, String::from("ads_program") ).is_ok();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:334:25
[INFO] [stderr]     |
[INFO] [stderr] 334 |                         renderer.reset_draw_group_data( &[ o._group_id ] ).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:342:25
[INFO] [stderr]     |
[INFO] [stderr] 342 |                         renderer.bind_draw_group_data( &[ o._group_id ] ).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:350:25
[INFO] [stderr]     |
[INFO] [stderr] 350 |                         renderer.set_draw_group_uniforms( o._group_id, &o._uniform_ids[..] ).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> core/implement/render/renderer_gl.rs:359:25
[INFO] [stderr]     |
[INFO] [stderr] 359 |                         Renderer::drawcall_draw_group( renderer_immut, &[ o._group_id ] ).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> games/model_viewer/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::e2rcore::implement::render::texture`
[INFO] [stderr]   --> games/model_viewer/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use self::e2rcore::implement::render::texture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::image::GenericImage`
[INFO] [stderr]   --> games/model_viewer/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | use self::image::GenericImage;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> games/model_viewer/main.rs:575:5
[INFO] [stderr]     |
[INFO] [stderr] 575 |     k.run().is_ok();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> core/example/example_kernel_impl001.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(use_extern_macros)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> games/n_of_a_kind/main.rs:683:5
[INFO] [stderr]     |
[INFO] [stderr] 683 |     k.run().is_ok();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> games/model_viewer/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::e2rcore::implement::render::texture`
[INFO] [stderr]   --> games/model_viewer/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use self::e2rcore::implement::render::texture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::image::GenericImage`
[INFO] [stderr]   --> games/model_viewer/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | use self::image::GenericImage;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> games/n_of_a_kind/main.rs:683:5
[INFO] [stderr]     |
[INFO] [stderr] 683 |     k.run().is_ok();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> core/example/example_kernel_impl001.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(use_extern_macros)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> games/model_viewer/main.rs:575:5
[INFO] [stderr]     |
[INFO] [stderr] 575 |     k.run().is_ok();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.73s
[INFO] running `"docker" "inspect" "e46dfa699aeb7785f86c3d61428a3b349f02464ca80d6e19fc0c24a005b06b26"`
[INFO] running `"docker" "rm" "-f" "e46dfa699aeb7785f86c3d61428a3b349f02464ca80d6e19fc0c24a005b06b26"`
[INFO] [stdout] e46dfa699aeb7785f86c3d61428a3b349f02464ca80d6e19fc0c24a005b06b26