[INFO] crate flappy 0.4.0 is already in cache
[INFO] checking flappy-0.4.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate flappy 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate flappy 0.4.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate flappy 0.4.0
[INFO] finished tweaking crates.io crate flappy 0.4.0
[INFO] tweaked toml for crates.io crate flappy 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1fd670df47b7f78604c4a2c3f03fe83643ebbd9ad48c57f978e79e3b9f3cb563
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1fd670df47b7f78604c4a2c3f03fe83643ebbd9ad48c57f978e79e3b9f3cb563"`
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]     Checking piston-graphics_api_version v0.2.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking fps_counter v1.0.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking piston-gfx_texture v0.36.0
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking shader_version v0.6.0
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking piston2d-graphics v0.32.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.61.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking pistoncore-window v0.43.0
[INFO] [stderr]     Checking piston-ai_behavior v0.31.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.48.0
[INFO] [stderr]     Checking piston2d-sprite v0.55.0
[INFO] [stderr]     Checking piston v0.48.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.62.1
[INFO] [stderr]     Checking piston_window v0.99.0
[INFO] [stderr]     Checking flappy v0.4.0 (/opt/rustwide/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] 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 23.75s
[INFO] running `"docker" "inspect" "1fd670df47b7f78604c4a2c3f03fe83643ebbd9ad48c57f978e79e3b9f3cb563"`
[INFO] running `"docker" "rm" "-f" "1fd670df47b7f78604c4a2c3f03fe83643ebbd9ad48c57f978e79e3b9f3cb563"`
[INFO] [stdout] 1fd670df47b7f78604c4a2c3f03fe83643ebbd9ad48c57f978e79e3b9f3cb563