[INFO] updating cached repository https://github.com/echochamber/rust_hex_grid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9e98f95bec77dffde5ef30c8501badd56773904
[INFO] testing echochamber/rust_hex_grid against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechochamber%2Frust_hex_grid" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/echochamber/rust_hex_grid on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/echochamber/rust_hex_grid
[INFO] finished tweaking git repo https://github.com/echochamber/rust_hex_grid
[INFO] tweaked toml for git repo https://github.com/echochamber/rust_hex_grid written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/echochamber/rust_hex_grid already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d29619abd5c405e0973bd660e1b5a9aa243773f41cacc4205dc5a4dae0b244a4
[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" "d29619abd5c405e0973bd660e1b5a9aa243773f41cacc4205dc5a4dae0b244a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d29619abd5c405e0973bd660e1b5a9aa243773f41cacc4205dc5a4dae0b244a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29619abd5c405e0973bd660e1b5a9aa243773f41cacc4205dc5a4dae0b244a4", kill_on_drop: false }`
[INFO] [stdout] d29619abd5c405e0973bd660e1b5a9aa243773f41cacc4205dc5a4dae0b244a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d522045e05c3b12aead3cd56fa47b7e834dcf64adbb30fc6df57c0aea31d727a
[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" "d522045e05c3b12aead3cd56fa47b7e834dcf64adbb30fc6df57c0aea31d727a", kill_on_drop: false }`
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling draw_state v0.4.0
[INFO] [stderr]    Compiling gif v0.8.0
[INFO] [stderr]    Compiling pistoncore-window v0.19.0
[INFO] [stderr]    Compiling piston-ai_behavior v0.14.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling freetype-rs v0.7.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling pistoncore-event_loop v0.22.1
[INFO] [stderr]    Compiling piston v0.22.1
[INFO] [stderr]    Compiling piston2d-sprite v0.26.0
[INFO] [stderr]    Compiling gfx_core v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling image v0.9.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling hex2d v0.1.0
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.28.2
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling glutin v0.5.2
[INFO] [stderr]    Compiling gfx v0.10.2
[INFO] [stderr]    Compiling gfx_device_gl v0.9.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.14.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.26.1
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.27.0
[INFO] [stdout] error: `$crate` may not be imported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piston2d-gfx_graphics-0.27.0/src/back_end.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / gfx_pipeline_base!( pipe_colored {
[INFO] [stdout] 31 | |     pos: gfx::VertexBuffer<PositionFormat>,
[INFO] [stdout] 32 | |     color: gfx::VertexBuffer<ColorFormat>,
[INFO] [stdout] 33 | |     blend_target: gfx::BlendTarget<gfx::format::Srgba8>,
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     scissor: gfx::Scissor,
[INFO] [stdout] 37 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `$crate` may not be imported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piston2d-gfx_graphics-0.27.0/src/back_end.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / gfx_pipeline_base!( pipe_textured {
[INFO] [stdout] 40 | |     pos: gfx::VertexBuffer<PositionFormat>,
[INFO] [stdout] 41 | |     uv: gfx::VertexBuffer<TexCoordsFormat>,
[INFO] [stdout] 42 | |     color: gfx::Global<[f32; 4]>,
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     scissor: gfx::Scissor,
[INFO] [stdout] 48 | | });
[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] running `Command { std: "docker" "inspect" "d522045e05c3b12aead3cd56fa47b7e834dcf64adbb30fc6df57c0aea31d727a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d522045e05c3b12aead3cd56fa47b7e834dcf64adbb30fc6df57c0aea31d727a", kill_on_drop: false }`
[INFO] [stdout] d522045e05c3b12aead3cd56fa47b7e834dcf64adbb30fc6df57c0aea31d727a