[INFO] updating cached repository DCubix/RustOpenGL
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DCubix/RustOpenGL
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DCubix/RustOpenGL" "work/ex/beta-1.38-1/sources/1.37.0/gh/DCubix/RustOpenGL"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DCubix/RustOpenGL'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DCubix/RustOpenGL" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DCubix/RustOpenGL"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DCubix/RustOpenGL'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27f00b0eb8eb600537603ad5e75f322a93da1242
[INFO] sha for GitHub repo DCubix/RustOpenGL: 27f00b0eb8eb600537603ad5e75f322a93da1242
[INFO] validating manifest of DCubix/RustOpenGL on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DCubix/RustOpenGL on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DCubix/RustOpenGL
[INFO] finished frobbing DCubix/RustOpenGL
[INFO] frobbed toml for DCubix/RustOpenGL written to work/ex/beta-1.38-1/sources/1.37.0/gh/DCubix/RustOpenGL/Cargo.toml
[INFO] started frobbing DCubix/RustOpenGL
[INFO] finished frobbing DCubix/RustOpenGL
[INFO] frobbed toml for DCubix/RustOpenGL written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DCubix/RustOpenGL/Cargo.toml
[INFO] crate DCubix/RustOpenGL already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing DCubix/RustOpenGL against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DCubix/RustOpenGL:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1f0c00e87c5c70388ec1922e03bdadc7da55283e0ff8e16e4326ed399c26aa29
[INFO] running `"docker" "start" "-a" "1f0c00e87c5c70388ec1922e03bdadc7da55283e0ff8e16e4326ed399c26aa29"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]    Compiling tobj v0.1.6
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling stb_image v0.2.2
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling gl v0.6.3
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stderr]    Compiling rustopengl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: macro_escape is a deprecated synonym for macro_use
[INFO] [stderr]  --> src/renderer.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![macro_escape]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider an outer attribute, #[macro_use] mod ...
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use sdl2::keyboard::Keycode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `rustopengl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1f0c00e87c5c70388ec1922e03bdadc7da55283e0ff8e16e4326ed399c26aa29"`
[INFO] running `"docker" "rm" "-f" "1f0c00e87c5c70388ec1922e03bdadc7da55283e0ff8e16e4326ed399c26aa29"`
[INFO] [stdout] 1f0c00e87c5c70388ec1922e03bdadc7da55283e0ff8e16e4326ed399c26aa29