[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] checking oOBoomberOo/ray-tracing-experiment against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoOBoomberOo%2Fray-tracing-experiment" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oOBoomberOo/ray-tracing-experiment on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-5/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cocoa v0.20.0
[INFO] [stderr]   Downloaded wgpu-types v0.5.0
[INFO] [stderr]   Downloaded gfx-auxil v0.3.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.5.0
[INFO] [stderr]   Downloaded wgpu v0.5.0
[INFO] [stderr]   Downloaded spirv_cross v0.18.0
[INFO] [stderr]   Downloaded wgpu-native v0.5.0
[INFO] [stderr]   Downloaded gfx-backend-empty v0.5.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.5.1
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.5.2
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.5.0
[INFO] [stderr]   Downloaded ash v0.30.0
[INFO] [stderr]   Downloaded gfx-hal v0.5.0
[INFO] [stderr]   Downloaded pixels v0.0.3
[INFO] [stderr]   Downloaded wgpu-core v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d40a4b5df325af288d5265ff2b17999aab08f0530c5e5f4e5a83cc98c8ee260
[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" "9d40a4b5df325af288d5265ff2b17999aab08f0530c5e5f4e5a83cc98c8ee260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d40a4b5df325af288d5265ff2b17999aab08f0530c5e5f4e5a83cc98c8ee260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d40a4b5df325af288d5265ff2b17999aab08f0530c5e5f4e5a83cc98c8ee260", kill_on_drop: false }`
[INFO] [stdout] 9d40a4b5df325af288d5265ff2b17999aab08f0530c5e5f4e5a83cc98c8ee260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 399482a4497b860da7817594af8d2f7a81c5f9d837fc844d0d506a7bfe08f0df
[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" "399482a4497b860da7817594af8d2f7a81c5f9d837fc844d0d506a7bfe08f0df", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling wide v0.4.3
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking hibitset v0.6.3
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[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking raw-window-handle v0.3.3
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[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling num-traits v0.2.11
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[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
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[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking gfx-backend-vulkan v0.5.2
[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]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking peek-poke v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking winit v0.22.1
[INFO] [stderr]     Checking wgpu-types v0.5.0
[INFO] [stderr]     Checking wgpu-core v0.5.3
[INFO] [stderr]     Checking winit_input_helper v0.6.0
[INFO] [stderr]     Checking wgpu-native v0.5.0
[INFO] [stderr]     Checking wgpu v0.5.0
[INFO] [stderr]     Checking pixels v0.0.3
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking raycaster v0.1.0 (/opt/rustwide/workdir)
[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 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 `raycaster`
[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] [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 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "399482a4497b860da7817594af8d2f7a81c5f9d837fc844d0d506a7bfe08f0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399482a4497b860da7817594af8d2f7a81c5f9d837fc844d0d506a7bfe08f0df", kill_on_drop: false }`
[INFO] [stdout] 399482a4497b860da7817594af8d2f7a81c5f9d837fc844d0d506a7bfe08f0df