[INFO] cloning repository https://github.com/oOBoomberOo/ray-tracing-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oOBoomberOo/ray-tracing-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoOBoomberOo%2Fray-tracing-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoOBoomberOo%2Fray-tracing-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 395921c0d3f07d17b6c85273096943747b7e741b
[INFO] testing oOBoomberOo/ray-tracing-experiment against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoOBoomberOo%2Fray-tracing-experiment" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oOBoomberOo/ray-tracing-experiment on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oOBoomberOo/ray-tracing-experiment
[INFO] finished tweaking git repo https://github.com/oOBoomberOo/ray-tracing-experiment
[INFO] tweaked toml for git repo https://github.com/oOBoomberOo/ray-tracing-experiment written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/oOBoomberOo/ray-tracing-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ccc9a37fb7d019dfc45b44bc7c49059760c417bc26c455d3fc646fa1e1f12e5
[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" "1ccc9a37fb7d019dfc45b44bc7c49059760c417bc26c455d3fc646fa1e1f12e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ccc9a37fb7d019dfc45b44bc7c49059760c417bc26c455d3fc646fa1e1f12e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ccc9a37fb7d019dfc45b44bc7c49059760c417bc26c455d3fc646fa1e1f12e5", kill_on_drop: false }`
[INFO] [stdout] 1ccc9a37fb7d019dfc45b44bc7c49059760c417bc26c455d3fc646fa1e1f12e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4ffdf69dd5d3ba3c00ba8b8d7a44a14d4744ff4789534700e0afbdb87c385f4
[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" "b4ffdf69dd5d3ba3c00ba8b8d7a44a14d4744ff4789534700e0afbdb87c385f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling wide v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling gfx-hal v0.5.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling ash v0.30.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling ultraviolet v0.4.5
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling gfx-descriptor v0.1.0
[INFO] [stderr]    Compiling gfx-backend-empty v0.5.0
[INFO] [stderr]    Compiling gfx-memory v0.1.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling peek-poke v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.5.2
[INFO] [stderr]    Compiling wgpu-core v0.5.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling wgpu-native v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling wgpu v0.5.0
[INFO] [stderr]    Compiling pixels v0.0.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling winit v0.22.1
[INFO] [stderr]    Compiling winit_input_helper v0.6.0
[INFO] [stderr]    Compiling raycaster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(clamp)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iterator_fold_self)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::iter::Map` in the current scope
[INFO] [stdout]   --> src/scene.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |             .fold_first(|a, b| a + b)
[INFO] [stdout]    |              ^^^^^^^^^^ method not found in `std::iter::Map<std::slice::Iter<'_, Box<dyn component::light::Light>>, [closure@src/scene.rs:76:9: 76:65]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raycaster`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b4ffdf69dd5d3ba3c00ba8b8d7a44a14d4744ff4789534700e0afbdb87c385f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ffdf69dd5d3ba3c00ba8b8d7a44a14d4744ff4789534700e0afbdb87c385f4", kill_on_drop: false }`
[INFO] [stdout] b4ffdf69dd5d3ba3c00ba8b8d7a44a14d4744ff4789534700e0afbdb87c385f4
