[INFO] cloning repository https://github.com/aljen/rust-learnopengl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aljen/rust-learnopengl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faljen%2Frust-learnopengl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faljen%2Frust-learnopengl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d0903616e49388f6df05b1b8c639b82933c62b5
[INFO] testing aljen/rust-learnopengl against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faljen%2Frust-learnopengl" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aljen/rust-learnopengl on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aljen/rust-learnopengl
[INFO] finished tweaking git repo https://github.com/aljen/rust-learnopengl
[INFO] tweaked toml for git repo https://github.com/aljen/rust-learnopengl written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/aljen/rust-learnopengl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
[INFO] [stderr]   Downloaded simba v0.5.1
[INFO] [stderr]   Downloaded approx v0.5.0
[INFO] [stderr]   Downloaded sdl2 v0.34.5
[INFO] [stderr]   Downloaded sdl2-sys v0.34.5
[INFO] [stderr]   Downloaded nalgebra-glm v0.13.0
[INFO] [stderr]   Downloaded imgui-opengl-renderer v0.11.0
[INFO] [stderr]   Downloaded imgui-sdl2 v0.14.0
[INFO] [stderr]   Downloaded nalgebra v0.27.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d9a3d09d821cf36dd7571d07265b7a1065613e548a15552b8ecde8e6e037fd4
[INFO] running `Command { std: "docker" "start" "-a" "6d9a3d09d821cf36dd7571d07265b7a1065613e548a15552b8ecde8e6e037fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d9a3d09d821cf36dd7571d07265b7a1065613e548a15552b8ecde8e6e037fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9a3d09d821cf36dd7571d07265b7a1065613e548a15552b8ecde8e6e037fd4", kill_on_drop: false }`
[INFO] [stdout] 6d9a3d09d821cf36dd7571d07265b7a1065613e548a15552b8ecde8e6e037fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d2946aa4bd02c11527c22ebb3279cb742ff0fb399a352dd606f26766e0dc8fb
[INFO] running `Command { std: "docker" "start" "-a" "4d2946aa4bd02c11527c22ebb3279cb742ff0fb399a352dd606f26766e0dc8fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling chlorine v1.0.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling imgui-sys v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling imgui-opengl-renderer v0.11.0
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling imgui v0.7.0
[INFO] [stderr]    Compiling nalgebra v0.27.0
[INFO] [stderr]    Compiling imgui-sdl2 v0.14.0
[INFO] [stderr]    Compiling nalgebra-glm v0.13.0
[INFO] [stderr]    Compiling rust-learn-opengl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `STATIC_DRAW`, `VertexAttribPointer`
[INFO] [stdout]  --> src/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use gl::{types::*, VertexAttribPointer, STATIC_DRAW};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::keyboard::Keycode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `video`
[INFO] [stdout]  --> src/main.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::{event::Event, video};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> src/string_utils.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string_utils::*`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use string_utils::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> src/resources.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/resources.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CString`
[INFO] [stdout]  --> src/shader.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `shader::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use shader::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`
[INFO] [stdout]  --> src/program.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_vert_source`
[INFO] [stdout]   --> src/shader.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn from_vert_source(source: &CStr) -> Result<Shader, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_frag_source`
[INFO] [stdout]   --> src/shader.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn from_frag_source(source: &CStr) -> Result<Shader, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `id`
[INFO] [stdout]   --> src/program.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn id(&self) -> GLuint {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     video.gl_set_swap_interval(0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/resources.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         file.read_to_end(&mut buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.39s
[INFO] running `Command { std: "docker" "inspect" "4d2946aa4bd02c11527c22ebb3279cb742ff0fb399a352dd606f26766e0dc8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2946aa4bd02c11527c22ebb3279cb742ff0fb399a352dd606f26766e0dc8fb", kill_on_drop: false }`
[INFO] [stdout] 4d2946aa4bd02c11527c22ebb3279cb742ff0fb399a352dd606f26766e0dc8fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 773c3d55f6860e200099da95b281ffd1d3f807b7afc31c0b50209b400b8f490f
[INFO] running `Command { std: "docker" "start" "-a" "773c3d55f6860e200099da95b281ffd1d3f807b7afc31c0b50209b400b8f490f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learn-opengl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `STATIC_DRAW`, `VertexAttribPointer`
[INFO] [stdout]  --> src/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use gl::{types::*, VertexAttribPointer, STATIC_DRAW};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::keyboard::Keycode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `video`
[INFO] [stdout]  --> src/main.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::{event::Event, video};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> src/string_utils.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string_utils::*`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use string_utils::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> src/resources.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/resources.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CString`
[INFO] [stdout]  --> src/shader.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `shader::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use shader::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`
[INFO] [stdout]  --> src/program.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_vert_source`
[INFO] [stdout]   --> src/shader.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn from_vert_source(source: &CStr) -> Result<Shader, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_frag_source`
[INFO] [stdout]   --> src/shader.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn from_frag_source(source: &CStr) -> Result<Shader, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `id`
[INFO] [stdout]   --> src/program.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn id(&self) -> GLuint {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     video.gl_set_swap_interval(0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/resources.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         file.read_to_end(&mut buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "773c3d55f6860e200099da95b281ffd1d3f807b7afc31c0b50209b400b8f490f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773c3d55f6860e200099da95b281ffd1d3f807b7afc31c0b50209b400b8f490f", kill_on_drop: false }`
[INFO] [stdout] 773c3d55f6860e200099da95b281ffd1d3f807b7afc31c0b50209b400b8f490f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c30b421be6a4c16ea9f09ee8090c72291b1d66447b21e9c7bd24a4fda0a36330
[INFO] running `Command { std: "docker" "start" "-a" "c30b421be6a4c16ea9f09ee8090c72291b1d66447b21e9c7bd24a4fda0a36330", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `STATIC_DRAW`, `VertexAttribPointer`
[INFO] [stderr]  --> src/main.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use gl::{types::*, VertexAttribPointer, STATIC_DRAW};
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sdl2::keyboard::Keycode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `video`
[INFO] [stderr]  --> src/main.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sdl2::{event::Event, video};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CStr`, `CString`
[INFO] [stderr]  --> src/main.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ffi::{CStr, CString};
[INFO] [stderr]   |                ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]  --> src/string_utils.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ffi::{CStr, CString};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `string_utils::*`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use string_utils::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]  --> src/resources.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ffi::{CStr, CString};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/resources.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Read};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CString`
[INFO] [stderr]  --> src/shader.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ffi::{CStr, CString};
[INFO] [stderr]   |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shader::*`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use shader::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CStr`, `CString`
[INFO] [stderr]  --> src/program.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ffi::{CStr, CString};
[INFO] [stderr]   |                ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_vert_source`
[INFO] [stderr]   --> src/shader.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn from_vert_source(source: &CStr) -> Result<Shader, String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_frag_source`
[INFO] [stderr]   --> src/shader.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from_frag_source(source: &CStr) -> Result<Shader, String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `id`
[INFO] [stderr]   --> src/program.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn id(&self) -> GLuint {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     video.gl_set_swap_interval(0);
[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 `Result` that must be used
[INFO] [stderr]   --> src/resources.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         file.read_to_end(&mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn_opengl-d6a06eefb737a39d)
[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" "c30b421be6a4c16ea9f09ee8090c72291b1d66447b21e9c7bd24a4fda0a36330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30b421be6a4c16ea9f09ee8090c72291b1d66447b21e9c7bd24a4fda0a36330", kill_on_drop: false }`
[INFO] [stdout] c30b421be6a4c16ea9f09ee8090c72291b1d66447b21e9c7bd24a4fda0a36330