[INFO] cloning repository https://github.com/Aganthor/opengl_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aganthor/opengl_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAganthor%2Fopengl_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAganthor%2Fopengl_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64c617a6ce4043cab19d6326479148c15e16da3d
[INFO] testing Aganthor/opengl_tutorial against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAganthor%2Fopengl_tutorial" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aganthor/opengl_tutorial on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aganthor/opengl_tutorial
[INFO] finished tweaking git repo https://github.com/Aganthor/opengl_tutorial
[INFO] tweaked toml for git repo https://github.com/Aganthor/opengl_tutorial written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Aganthor/opengl_tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c674025874ec9d845efbc4a20611cfc907ae74381714cb8bf9e1c9ea9e8bb980
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c674025874ec9d845efbc4a20611cfc907ae74381714cb8bf9e1c9ea9e8bb980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c674025874ec9d845efbc4a20611cfc907ae74381714cb8bf9e1c9ea9e8bb980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c674025874ec9d845efbc4a20611cfc907ae74381714cb8bf9e1c9ea9e8bb980", kill_on_drop: false }`
[INFO] [stdout] c674025874ec9d845efbc4a20611cfc907ae74381714cb8bf9e1c9ea9e8bb980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79cc4d9b2edab6204bbcb1d2913a8b1fb9cb7027449e9c5bedb3239808106e04
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79cc4d9b2edab6204bbcb1d2913a8b1fb9cb7027449e9c5bedb3239808106e04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling opengl_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CString`
[INFO] [stdout]  --> src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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 variable: `gl_context`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let gl_context = window.gl_create_context().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gl_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gl`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let gl = gl::load_with(|s| video_subsystem.gl_get_proc_address(s) as *const std::os::raw::c_void);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_gl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut buffer: Vec<u8> = Vec::with_capacity(len as usize +1);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut buffer: Vec<u8> = Vec::with_capacity(len as usize +1);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shader_from_source`
[INFO] [stdout]   --> src/main.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn shader_from_source(source: &CStr, kind: gl::types::GLuint) -> Result<gl::types::GLuint, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.24s
[INFO] running `Command { std: "docker" "inspect" "79cc4d9b2edab6204bbcb1d2913a8b1fb9cb7027449e9c5bedb3239808106e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cc4d9b2edab6204bbcb1d2913a8b1fb9cb7027449e9c5bedb3239808106e04", kill_on_drop: false }`
[INFO] [stdout] 79cc4d9b2edab6204bbcb1d2913a8b1fb9cb7027449e9c5bedb3239808106e04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82d5a310e1383ccdbb113d4d8ad86cc269adddcad225fa99f6547d223ae92af2
[INFO] running `Command { std: "docker" "start" "-a" "82d5a310e1383ccdbb113d4d8ad86cc269adddcad225fa99f6547d223ae92af2", kill_on_drop: false }`
[INFO] [stderr]    Compiling opengl_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CString`
[INFO] [stdout]  --> src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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 variable: `gl_context`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let gl_context = window.gl_create_context().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gl_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gl`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let gl = gl::load_with(|s| video_subsystem.gl_get_proc_address(s) as *const std::os::raw::c_void);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_gl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut buffer: Vec<u8> = Vec::with_capacity(len as usize +1);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut buffer: Vec<u8> = Vec::with_capacity(len as usize +1);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shader_from_source`
[INFO] [stdout]   --> src/main.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn shader_from_source(source: &CStr, kind: gl::types::GLuint) -> Result<gl::types::GLuint, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "82d5a310e1383ccdbb113d4d8ad86cc269adddcad225fa99f6547d223ae92af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d5a310e1383ccdbb113d4d8ad86cc269adddcad225fa99f6547d223ae92af2", kill_on_drop: false }`
[INFO] [stdout] 82d5a310e1383ccdbb113d4d8ad86cc269adddcad225fa99f6547d223ae92af2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95731bbd76c4fb5e804596fa08bc07eaf9b4addc5935de8cf6073e2c0ef4d79f
[INFO] running `Command { std: "docker" "start" "-a" "95731bbd76c4fb5e804596fa08bc07eaf9b4addc5935de8cf6073e2c0ef4d79f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `CString`
[INFO] [stderr]  --> src/main.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ffi::{CString, CStr};
[INFO] [stderr]   |                ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gl_context`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let gl_context = window.gl_create_context().unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gl_context`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gl`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let gl = gl::load_with(|s| video_subsystem.gl_get_proc_address(s) as *const std::os::raw::c_void);
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_gl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]   --> src/main.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut buffer: Vec<u8> = Vec::with_capacity(len as usize +1);
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut buffer: Vec<u8> = Vec::with_capacity(len as usize +1);
[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: function is never used: `shader_from_source`
[INFO] [stderr]   --> src/main.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn shader_from_source(source: &CStr, kind: gl::types::GLuint) -> Result<gl::types::GLuint, String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/opengl_tutorial-e394591cbce55714
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95731bbd76c4fb5e804596fa08bc07eaf9b4addc5935de8cf6073e2c0ef4d79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95731bbd76c4fb5e804596fa08bc07eaf9b4addc5935de8cf6073e2c0ef4d79f", kill_on_drop: false }`
[INFO] [stdout] 95731bbd76c4fb5e804596fa08bc07eaf9b4addc5935de8cf6073e2c0ef4d79f
