[INFO] fetching crate piston-opengex 0.6.0...
[INFO] testing piston-opengex-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate piston-opengex 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate piston-opengex 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston-opengex 0.6.0
[INFO] finished tweaking crates.io crate piston-opengex 0.6.0
[INFO] tweaked toml for crates.io crate piston-opengex 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 320b035863f3d25106ea123aa4238711c42d685199c9e60207f1a6310b6c1a66
[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" "320b035863f3d25106ea123aa4238711c42d685199c9e60207f1a6310b6c1a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320b035863f3d25106ea123aa4238711c42d685199c9e60207f1a6310b6c1a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320b035863f3d25106ea123aa4238711c42d685199c9e60207f1a6310b6c1a66", kill_on_drop: false }`
[INFO] [stdout] 320b035863f3d25106ea123aa4238711c42d685199c9e60207f1a6310b6c1a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b446dd31681e17ba41995ce1136f9cf973465fa0d13622b6d2c7d172d612f4
[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" "73b446dd31681e17ba41995ce1136f9cf973465fa0d13622b6d2c7d172d612f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_map v0.3.0
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling piston-opengex v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "73b446dd31681e17ba41995ce1136f9cf973465fa0d13622b6d2c7d172d612f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b446dd31681e17ba41995ce1136f9cf973465fa0d13622b6d2c7d172d612f4", kill_on_drop: false }`
[INFO] [stdout] 73b446dd31681e17ba41995ce1136f9cf973465fa0d13622b6d2c7d172d612f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f5d0481decc1fc672adc22ba008784fa011adfba8782dec72d12f9abf26418a
[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" "1f5d0481decc1fc672adc22ba008784fa011adfba8782dec72d12f9abf26418a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling sdl2-sys v0.8.1
[INFO] [stderr]    Compiling piston-texture v0.3.0
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling range v0.3.1
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling freetype-sys v0.3.1
[INFO] [stderr]    Compiling quaternion v0.2.1
[INFO] [stderr]    Compiling dylib v0.0.1
[INFO] [stderr]    Compiling osmesa-sys v0.0.5
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling piston2d-graphics v0.14.0
[INFO] [stderr]    Compiling xml-rs v0.2.2
[INFO] [stderr]    Compiling pistoncore-input v0.8.1
[INFO] [stderr]    Compiling draw_state v0.3.0
[INFO] [stderr]    Compiling piston3d-cam v0.2.0
[INFO] [stderr]    Compiling gif v0.7.0
[INFO] [stderr]    Compiling read_token v0.6.2
[INFO] [stderr]    Compiling x11-dl v2.3.1
[INFO] [stderr]    Compiling piston_meta v0.25.1
[INFO] [stderr]    Compiling gl_generator v0.4.2
[INFO] [stderr]    Compiling gfx_core v0.1.2
[INFO] [stderr]    Compiling pistoncore-window v0.14.0
[INFO] [stderr]    Compiling camera_controllers v0.10.0
[INFO] [stderr]    Compiling piston_meta_search v0.12.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.17.0
[INFO] [stderr]    Compiling freetype-rs v0.5.0
[INFO] [stderr]    Compiling piston v0.17.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling png v0.4.3
[INFO] [stderr]    Compiling gl v0.5.2
[INFO] [stderr]    Compiling glutin v0.4.9
[INFO] [stderr]    Compiling gfx v0.9.1
[INFO] [stderr]    Compiling gfx_device_gl v0.8.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling image v0.6.1
[INFO] [stderr]    Compiling sdl2 v0.14.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.8.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.19.0
[INFO] [stdout] error: `$crate` may not be imported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piston2d-gfx_graphics-0.19.0/src/back_end.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / gfx_pipeline_base!( pipe_colored {
[INFO] [stdout] 26 | |     pos: gfx::VertexBuffer<PositionFormat>,
[INFO] [stdout] 27 | |     color: gfx::Global<[f32; 4]>,
[INFO] [stdout] 28 | |     blend_target: gfx::BlendTarget<gfx::format::Rgba8>,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     scissor: gfx::Scissor,
[INFO] [stdout] 32 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `$crate` may not be imported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piston2d-gfx_graphics-0.19.0/src/back_end.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / gfx_pipeline_base!( pipe_textured {
[INFO] [stdout] 35 | |     pos: gfx::VertexBuffer<PositionFormat>,
[INFO] [stdout] 36 | |     uv: gfx::VertexBuffer<TexCoordsFormat>,
[INFO] [stdout] 37 | |     color: gfx::Global<[f32; 4]>,
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     scissor: gfx::Scissor,
[INFO] [stdout] 43 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `piston2d-gfx_graphics`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1f5d0481decc1fc672adc22ba008784fa011adfba8782dec72d12f9abf26418a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5d0481decc1fc672adc22ba008784fa011adfba8782dec72d12f9abf26418a", kill_on_drop: false }`
[INFO] [stdout] 1f5d0481decc1fc672adc22ba008784fa011adfba8782dec72d12f9abf26418a