[INFO] crate optimisticpeach-opengles_graphics 0.1.4 is already in cache
[INFO] extracting crate optimisticpeach-opengles_graphics 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/optimisticpeach-opengles_graphics/0.1.4
[INFO] extracting crate optimisticpeach-opengles_graphics 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/optimisticpeach-opengles_graphics/0.1.4
[INFO] validating manifest of optimisticpeach-opengles_graphics-0.1.4 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of optimisticpeach-opengles_graphics-0.1.4 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing optimisticpeach-opengles_graphics-0.1.4
[INFO] finished frobbing optimisticpeach-opengles_graphics-0.1.4
[INFO] frobbed toml for optimisticpeach-opengles_graphics-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/optimisticpeach-opengles_graphics/0.1.4/Cargo.toml
[INFO] started frobbing optimisticpeach-opengles_graphics-0.1.4
[INFO] finished frobbing optimisticpeach-opengles_graphics-0.1.4
[INFO] frobbed toml for optimisticpeach-opengles_graphics-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/optimisticpeach-opengles_graphics/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing optimisticpeach-opengles_graphics-0.1.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/optimisticpeach-opengles_graphics/0.1.4:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a6c85c18ba2b6074693f8055e9569ee67ebb2a220682de7faf2883954364e80c
[INFO] running `"docker" "start" "-a" "a6c85c18ba2b6074693f8055e9569ee67ebb2a220682de7faf2883954364e80c"`
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling piston-texture v0.5.0
[INFO] [stderr]    Compiling shader_version v0.2.2
[INFO] [stderr]    Compiling shaders_graphics2d_gles v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling piston2d-graphics v0.28.0
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling optimisticpeach-opengles_graphics v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling image v0.12.4
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/gl.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/glyph_cache.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |             self.character(size, ch);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 25.18s
[INFO] running `"docker" "inspect" "a6c85c18ba2b6074693f8055e9569ee67ebb2a220682de7faf2883954364e80c"`
[INFO] running `"docker" "rm" "-f" "a6c85c18ba2b6074693f8055e9569ee67ebb2a220682de7faf2883954364e80c"`
[INFO] [stdout] a6c85c18ba2b6074693f8055e9569ee67ebb2a220682de7faf2883954364e80c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/optimisticpeach-opengles_graphics/0.1.4:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d80374016b2ee82e11fd7eba3c628c082ba9ca0b35423e0d5680610e1672c7fb
[INFO] running `"docker" "start" "-a" "d80374016b2ee82e11fd7eba3c628c082ba9ca0b35423e0d5680610e1672c7fb"`
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling sdl2 v0.28.0
[INFO] [stderr]    Compiling pistoncore-input v0.17.1
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling pistoncore-window v0.26.2
[INFO] [stderr]    Compiling pistoncore-event_loop v0.31.4
[INFO] [stderr]    Compiling piston v0.31.4
[INFO] [stderr]    Compiling pistoncore-sdl2_window v0.40.0
[INFO] [stderr]    Compiling optimisticpeach-opengles_graphics v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/gl.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/glyph_cache.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |             self.character(size, ch);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 18.18s
[INFO] running `"docker" "inspect" "d80374016b2ee82e11fd7eba3c628c082ba9ca0b35423e0d5680610e1672c7fb"`
[INFO] running `"docker" "rm" "-f" "d80374016b2ee82e11fd7eba3c628c082ba9ca0b35423e0d5680610e1672c7fb"`
[INFO] [stdout] d80374016b2ee82e11fd7eba3c628c082ba9ca0b35423e0d5680610e1672c7fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/optimisticpeach-opengles_graphics/0.1.4:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 2d75494ca65d4a65fe84d42c44f13886b5a7ec0fce462d7c11a5c46f6ace7b95
[INFO] running `"docker" "start" "-a" "2d75494ca65d4a65fe84d42c44f13886b5a7ec0fce462d7c11a5c46f6ace7b95"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/opengles_graphics-1cca71dbab27a74d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test back_end::test_gl_loaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opengles_graphics
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/gl.rs - gl::load_with (line 9643) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2d75494ca65d4a65fe84d42c44f13886b5a7ec0fce462d7c11a5c46f6ace7b95"`
[INFO] running `"docker" "rm" "-f" "2d75494ca65d4a65fe84d42c44f13886b5a7ec0fce462d7c11a5c46f6ace7b95"`
[INFO] [stdout] 2d75494ca65d4a65fe84d42c44f13886b5a7ec0fce462d7c11a5c46f6ace7b95