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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleozlx/opengl-gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleozlx%2Fopengl-gui", kill_on_drop: false }`
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[INFO] [stdout] 72a3211844454a068a502130ac76b192fdd2271e
[INFO] testing aleozlx/opengl-gui against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleozlx%2Fopengl-gui" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aleozlx/opengl-gui on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
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[INFO] finished tweaking git repo https://github.com/aleozlx/opengl-gui
[INFO] tweaked toml for git repo https://github.com/aleozlx/opengl-gui written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aleozlx/opengl-gui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cairo-rs v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling xml-rs v0.7.0
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[INFO] [stderr]    Compiling opengl-gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ffi::{CString, CStr};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImage`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use image::GenericImage;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/main.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |         gl::GenVertexArrays(1, &mut g_vertex_array);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 103 |         gl::GenVertexArrays(1, addr_of_mut!(g_vertex_array));
[INFO] [stdout]     |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_start`
[INFO] [stdout]    --> src/main.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let time_start = std::time::SystemTime::now();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `time_unif` is never used
[INFO] [stdout]    --> src/main.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | static mut time_unif: gl::types::GLint = 0;
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `resolution_unif` is never used
[INFO] [stdout]    --> src/main.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | static mut resolution_unif: gl::types::GLint = 0;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/main.rs:107:92
[INFO] [stdout]     |
[INFO] [stdout] 107 |         gl::BindFragDataLocation(shader_program.id(), 0, CString::new("outColor").unwrap().as_ptr());
[INFO] [stdout]     |                                                          --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/main.rs:109:120
[INFO] [stdout]     |
[INFO] [stdout] 109 | ...tAttribLocation(shader_program.id(), CString::new("position").unwrap().as_ptr()) as gl::types::GLuint;
[INFO] [stdout]     |                                         --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/main.rs:113:117
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...GetAttribLocation(shader_program.id(), CString::new("vsTex").unwrap().as_ptr()) as gl::types::GLuint;
[INFO] [stdout]     |                                           ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `g_vertex_array` should have an upper case name
[INFO] [stdout]    --> src/main.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | static mut g_vertex_array: gl::types::GLuint = 0;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `G_VERTEX_ARRAY`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `time_unif` should have an upper case name
[INFO] [stdout]    --> src/main.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | static mut time_unif: gl::types::GLint = 0;
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to upper case: `TIME_UNIF`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `resolution_unif` should have an upper case name
[INFO] [stdout]    --> src/main.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | static mut resolution_unif: gl::types::GLint = 0;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESOLUTION_UNIF`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b9d6d764c4f81db3e5469f6b6ea39d82d4fd2ff0fdbce82c2d726f74ce0a21eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d6d764c4f81db3e5469f6b6ea39d82d4fd2ff0fdbce82c2d726f74ce0a21eb", kill_on_drop: false }`
[INFO] [stdout] b9d6d764c4f81db3e5469f6b6ea39d82d4fd2ff0fdbce82c2d726f74ce0a21eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdb0c7a1393905236e141bf08fb1f3c4389d14c6f1a60aa796ee008fec404bb4
[INFO] running `Command { std: "docker" "start" "-a" "fdb0c7a1393905236e141bf08fb1f3c4389d14c6f1a60aa796ee008fec404bb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling opengl-gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ffi::{CString, CStr};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImage`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use image::GenericImage;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/main.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |         gl::GenVertexArrays(1, &mut g_vertex_array);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 103 |         gl::GenVertexArrays(1, addr_of_mut!(g_vertex_array));
[INFO] [stdout]     |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_start`
[INFO] [stdout]    --> src/main.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let time_start = std::time::SystemTime::now();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `time_unif` is never used
[INFO] [stdout]    --> src/main.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | static mut time_unif: gl::types::GLint = 0;
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `resolution_unif` is never used
[INFO] [stdout]    --> src/main.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | static mut resolution_unif: gl::types::GLint = 0;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/main.rs:107:92
[INFO] [stdout]     |
[INFO] [stdout] 107 |         gl::BindFragDataLocation(shader_program.id(), 0, CString::new("outColor").unwrap().as_ptr());
[INFO] [stdout]     |                                                          --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/main.rs:109:120
[INFO] [stdout]     |
[INFO] [stdout] 109 | ...tAttribLocation(shader_program.id(), CString::new("position").unwrap().as_ptr()) as gl::types::GLuint;
[INFO] [stdout]     |                                         --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/main.rs:113:117
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...GetAttribLocation(shader_program.id(), CString::new("vsTex").unwrap().as_ptr()) as gl::types::GLuint;
[INFO] [stdout]     |                                           ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `g_vertex_array` should have an upper case name
[INFO] [stdout]    --> src/main.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | static mut g_vertex_array: gl::types::GLuint = 0;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `G_VERTEX_ARRAY`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `time_unif` should have an upper case name
[INFO] [stdout]    --> src/main.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | static mut time_unif: gl::types::GLint = 0;
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to upper case: `TIME_UNIF`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `resolution_unif` should have an upper case name
[INFO] [stdout]    --> src/main.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | static mut resolution_unif: gl::types::GLint = 0;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESOLUTION_UNIF`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "fdb0c7a1393905236e141bf08fb1f3c4389d14c6f1a60aa796ee008fec404bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb0c7a1393905236e141bf08fb1f3c4389d14c6f1a60aa796ee008fec404bb4", kill_on_drop: false }`
[INFO] [stdout] fdb0c7a1393905236e141bf08fb1f3c4389d14c6f1a60aa796ee008fec404bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e40a1fda3dcffd8349fa7c0ae563055e19e61733cfff8acfdd1041c8cf6b9f2
[INFO] running `Command { std: "docker" "start" "-a" "5e40a1fda3dcffd8349fa7c0ae563055e19e61733cfff8acfdd1041c8cf6b9f2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]   --> src/main.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ffi::{CString, CStr};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::GenericImage`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use image::GenericImage;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stderr]    --> src/main.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 |         gl::GenVertexArrays(1, &mut g_vertex_array);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stderr]     = note: this will be a hard error in the 2024 edition
[INFO] [stderr]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stderr]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stderr]     |
[INFO] [stderr] 103 |         gl::GenVertexArrays(1, addr_of_mut!(g_vertex_array));
[INFO] [stderr]     |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time_start`
[INFO] [stderr]    --> src/main.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let time_start = std::time::SystemTime::now();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_start`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static `time_unif` is never used
[INFO] [stderr]    --> src/main.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 | static mut time_unif: gl::types::GLint = 0;
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static `resolution_unif` is never used
[INFO] [stderr]    --> src/main.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 144 | static mut resolution_unif: gl::types::GLint = 0;
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]    --> src/main.rs:107:92
[INFO] [stderr]     |
[INFO] [stderr] 107 |         gl::BindFragDataLocation(shader_program.id(), 0, CString::new("outColor").unwrap().as_ptr());
[INFO] [stderr]     |                                                          --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]     |                                                          |
[INFO] [stderr]     |                                                          this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]     |
[INFO] [stderr]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stderr]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]    --> src/main.rs:109:120
[INFO] [stderr]     |
[INFO] [stderr] 109 | ...tAttribLocation(shader_program.id(), CString::new("position").unwrap().as_ptr()) as gl::types::GLuint;
[INFO] [stderr]     |                                         --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]     |
[INFO] [stderr]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stderr]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]    --> src/main.rs:113:117
[INFO] [stderr]     |
[INFO] [stderr] 113 | ...GetAttribLocation(shader_program.id(), CString::new("vsTex").unwrap().as_ptr()) as gl::types::GLuint;
[INFO] [stderr]     |                                           ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]     |
[INFO] [stderr]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stderr]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `g_vertex_array` should have an upper case name
[INFO] [stderr]    --> src/main.rs:142:12
[INFO] [stderr]     |
[INFO] [stderr] 142 | static mut g_vertex_array: gl::types::GLuint = 0;
[INFO] [stderr]     |            ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `G_VERTEX_ARRAY`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `time_unif` should have an upper case name
[INFO] [stderr]    --> src/main.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 | static mut time_unif: gl::types::GLint = 0;
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to upper case: `TIME_UNIF`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `resolution_unif` should have an upper case name
[INFO] [stderr]    --> src/main.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 144 | static mut resolution_unif: gl::types::GLint = 0;
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESOLUTION_UNIF`
[INFO] [stderr] 
[INFO] [stderr] warning: `opengl-gui` (bin "opengl-gui" test) generated 12 warnings (run `cargo fix --bin "opengl-gui" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/opengl_gui-b48217e98b7b4723)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e40a1fda3dcffd8349fa7c0ae563055e19e61733cfff8acfdd1041c8cf6b9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e40a1fda3dcffd8349fa7c0ae563055e19e61733cfff8acfdd1041c8cf6b9f2", kill_on_drop: false }`
[INFO] [stdout] 5e40a1fda3dcffd8349fa7c0ae563055e19e61733cfff8acfdd1041c8cf6b9f2
