[INFO] cloning repository https://github.com/shradej1/fractals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shradej1/fractals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshradej1%2Ffractals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshradej1%2Ffractals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9ff7a964349e510e5628a1518733025cc19f5f4
[INFO] checking shradej1/fractals against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshradej1%2Ffractals" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shradej1/fractals 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 git repo https://github.com/shradej1/fractals
[INFO] finished tweaking git repo https://github.com/shradej1/fractals
[INFO] tweaked toml for git repo https://github.com/shradej1/fractals written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/shradej1/fractals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/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] becb4df58c31dad2b4ab6ba4a39b3dbd3acdb0c76cbad60af69da7ce37039bf4
[INFO] running `Command { std: "docker" "start" "-a" "becb4df58c31dad2b4ab6ba4a39b3dbd3acdb0c76cbad60af69da7ce37039bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "becb4df58c31dad2b4ab6ba4a39b3dbd3acdb0c76cbad60af69da7ce37039bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becb4df58c31dad2b4ab6ba4a39b3dbd3acdb0c76cbad60af69da7ce37039bf4", kill_on_drop: false }`
[INFO] [stdout] becb4df58c31dad2b4ab6ba4a39b3dbd3acdb0c76cbad60af69da7ce37039bf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b6f8bb8cf383b6f29962a5ca147ea3ebd2e7ac945baaeddae78de35b8b6c11e
[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" "4b6f8bb8cf383b6f29962a5ca147ea3ebd2e7ac945baaeddae78de35b8b6c11e", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking libloading v0.6.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking piston2d-graphics v0.37.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.74.0
[INFO] [stderr]     Checking pistoncore-input v1.0.0
[INFO] [stderr]     Checking pistoncore-window v0.47.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.52.0
[INFO] [stderr]     Checking piston v0.52.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.66.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::png::PNGEncoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]   --> src/main.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let encoder = PNGEncoder::new(output);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::png::PNGEncoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]   --> src/main.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let encoder = PNGEncoder::new(output);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `identity`, `scale`, `translate`
[INFO] [stdout]  --> examples/mandel-viz.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use graphics::math::{identity, scale, translate};
[INFO] [stdout]   |                      ^^^^^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `square`
[INFO] [stdout]  --> examples/mandel-viz.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | use graphics::rectangle::{rectangle_by_corners, square};
[INFO] [stdout]   |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CursorEvent`, `EventLoop`, `Event`, `Input`
[INFO] [stdout]   --> examples/mandel-viz.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Button, ButtonArgs, ButtonEvent, ButtonState, CursorEvent, Event, EventLoop, Input, Key,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]    --> examples/mandel-viz.rs:148:22
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 let [x1, y1] = app.selection_end.unwrap();
[INFO] [stdout]     |                      ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y1`
[INFO] [stdout]    --> examples/mandel-viz.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 let [x1, y1] = app.selection_end.unwrap();
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_y1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scancode`
[INFO] [stdout]    --> examples/mandel-viz.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             scancode,
[INFO] [stdout]     |             ^^^^^^^^ help: try ignoring the field: `scancode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.80s
[INFO] running `Command { std: "docker" "inspect" "4b6f8bb8cf383b6f29962a5ca147ea3ebd2e7ac945baaeddae78de35b8b6c11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6f8bb8cf383b6f29962a5ca147ea3ebd2e7ac945baaeddae78de35b8b6c11e", kill_on_drop: false }`
[INFO] [stdout] 4b6f8bb8cf383b6f29962a5ca147ea3ebd2e7ac945baaeddae78de35b8b6c11e