[INFO] crate flappy 0.4.0 is already in cache
[INFO] extracting crate flappy 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/flappy/0.4.0
[INFO] extracting crate flappy 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flappy/0.4.0
[INFO] validating manifest of flappy-0.4.0 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 flappy-0.4.0 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 flappy-0.4.0
[INFO] finished frobbing flappy-0.4.0
[INFO] frobbed toml for flappy-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/flappy/0.4.0/Cargo.toml
[INFO] started frobbing flappy-0.4.0
[INFO] finished frobbing flappy-0.4.0
[INFO] frobbed toml for flappy-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flappy/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 flappy-0.4.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flappy/0.4.0:/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] 2a59f13ae10cf4ad6c9cb38397c2d14d5bc603be8a0ebc4813cb3d38bfc202cc
[INFO] running `"docker" "start" "-a" "2a59f13ae10cf4ad6c9cb38397c2d14d5bc603be8a0ebc4813cb3d38bfc202cc"`
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling piston-graphics_api_version v0.2.0
[INFO] [stderr]    Compiling fps_counter v1.0.0
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling pistoncore-input v0.28.0
[INFO] [stderr]    Compiling shader_version v0.6.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.36.0
[INFO] [stderr]    Compiling piston2d-graphics v0.32.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.61.0
[INFO] [stderr]    Compiling winit v0.19.2
[INFO] [stderr]    Compiling pistoncore-window v0.43.0
[INFO] [stderr]    Compiling piston-ai_behavior v0.31.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.48.0
[INFO] [stderr]    Compiling piston v0.48.0
[INFO] [stderr]    Compiling piston2d-sprite v0.55.0
[INFO] [stderr]    Compiling glutin v0.21.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.62.1
[INFO] [stderr]    Compiling piston_window v0.99.0
[INFO] [stderr]    Compiling flappy v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `image::DynamicImage::ImageRgba8`
[INFO] [stderr]  --> src/tex_loader.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use image::DynamicImage::ImageRgba8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.07s
[INFO] running `"docker" "inspect" "2a59f13ae10cf4ad6c9cb38397c2d14d5bc603be8a0ebc4813cb3d38bfc202cc"`
[INFO] running `"docker" "rm" "-f" "2a59f13ae10cf4ad6c9cb38397c2d14d5bc603be8a0ebc4813cb3d38bfc202cc"`
[INFO] [stdout] 2a59f13ae10cf4ad6c9cb38397c2d14d5bc603be8a0ebc4813cb3d38bfc202cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flappy/0.4.0:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] d841d0eb628d36acc7a458f1646f6e085902718e9add19e1d9a62a73cb8901f7
[INFO] running `"docker" "start" "-a" "d841d0eb628d36acc7a458f1646f6e085902718e9add19e1d9a62a73cb8901f7"`
[INFO] [stderr]    Compiling flappy v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `image::DynamicImage::ImageRgba8`
[INFO] [stderr]  --> src/tex_loader.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use image::DynamicImage::ImageRgba8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "d841d0eb628d36acc7a458f1646f6e085902718e9add19e1d9a62a73cb8901f7"`
[INFO] running `"docker" "rm" "-f" "d841d0eb628d36acc7a458f1646f6e085902718e9add19e1d9a62a73cb8901f7"`
[INFO] [stdout] d841d0eb628d36acc7a458f1646f6e085902718e9add19e1d9a62a73cb8901f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flappy/0.4.0:/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" "test" "--frozen"`
[INFO] [stdout] bb9bc27db986337687ada13640f2ba97fa50c57104c03b98c3ac41daf65f57e7
[INFO] running `"docker" "start" "-a" "bb9bc27db986337687ada13640f2ba97fa50c57104c03b98c3ac41daf65f57e7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flappy-ff322a9b3168d842
[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 `"docker" "inspect" "bb9bc27db986337687ada13640f2ba97fa50c57104c03b98c3ac41daf65f57e7"`
[INFO] running `"docker" "rm" "-f" "bb9bc27db986337687ada13640f2ba97fa50c57104c03b98c3ac41daf65f57e7"`
[INFO] [stdout] bb9bc27db986337687ada13640f2ba97fa50c57104c03b98c3ac41daf65f57e7