[INFO] fetching crate pixel_grid 0.5.0...
[INFO] checking pixel_grid-0.5.0 against beta for pr-78714
[INFO] extracting crate pixel_grid 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pixel_grid 0.5.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pixel_grid 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pixel_grid 0.5.0
[INFO] tweaked toml for crates.io crate pixel_grid 0.5.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e68ed546d5b718f60f29ba46c2f973f9518f72e5583d0dfcd662689229e6628
[INFO] running `Command { std: "docker" "start" "-a" "1e68ed546d5b718f60f29ba46c2f973f9518f72e5583d0dfcd662689229e6628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e68ed546d5b718f60f29ba46c2f973f9518f72e5583d0dfcd662689229e6628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e68ed546d5b718f60f29ba46c2f973f9518f72e5583d0dfcd662689229e6628", kill_on_drop: false }`
[INFO] [stdout] 1e68ed546d5b718f60f29ba46c2f973f9518f72e5583d0dfcd662689229e6628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd91e1ff6ef791278ca83814c030e4928d94867fa9d777152448e0e90068b7f
[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" "5fd91e1ff6ef791278ca83814c030e4928d94867fa9d777152448e0e90068b7f", kill_on_drop: false }`
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking coord_2d v0.2.22
[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking grid_2d v0.12.5
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking gfx_window_glutin v0.29.0
[INFO] [stderr]     Checking pixel_grid v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `set_colour_array_f32` found for struct `Pixel<'_>` in the current scope
[INFO] [stdout]   --> examples/gradient.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 pixel.set_colour_array_f32([x, y, 1., 1.]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `set_colour_array_rgb_f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pixel_grid`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5fd91e1ff6ef791278ca83814c030e4928d94867fa9d777152448e0e90068b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd91e1ff6ef791278ca83814c030e4928d94867fa9d777152448e0e90068b7f", kill_on_drop: false }`
[INFO] [stdout] 5fd91e1ff6ef791278ca83814c030e4928d94867fa9d777152448e0e90068b7f