[INFO] cloning repository https://github.com/juliand665/raytracer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juliand665/raytracer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliand665%2Fraytracer-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliand665%2Fraytracer-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26a282ab2458a7df715e0f9a921e61fed99a1cd9
[INFO] checking juliand665/raytracer-rust against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliand665%2Fraytracer-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juliand665/raytracer-rust on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/juliand665/raytracer-rust
[INFO] finished tweaking git repo https://github.com/juliand665/raytracer-rust
[INFO] tweaked toml for git repo https://github.com/juliand665/raytracer-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/juliand665/raytracer-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 658d72d0abebec6b7b29ce15eb8daca2f3c8ba16dd828e96d7bcee8369ed2fff
[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" "658d72d0abebec6b7b29ce15eb8daca2f3c8ba16dd828e96d7bcee8369ed2fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658d72d0abebec6b7b29ce15eb8daca2f3c8ba16dd828e96d7bcee8369ed2fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658d72d0abebec6b7b29ce15eb8daca2f3c8ba16dd828e96d7bcee8369ed2fff", kill_on_drop: false }`
[INFO] [stdout] 658d72d0abebec6b7b29ce15eb8daca2f3c8ba16dd828e96d7bcee8369ed2fff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 834e492c62192b6da13d0b203bee59e784db0604a5d08099fdbb5edc5c3ce884
[INFO] running `Command { std: "docker" "start" "-a" "834e492c62192b6da13d0b203bee59e784db0604a5d08099fdbb5edc5c3ce884", kill_on_drop: false }`
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::iter::Map<std::ops::Range<usize>, [closure@src/rendering.rs:32:26: 32:63]>` in the current scope
[INFO] [stdout]   --> src/rendering.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     .fold_first(|c1, c2| c1 + c2)
[INFO] [stdout]    |                      ^^^^^^^^^^ method not found in `std::iter::Map<std::ops::Range<usize>, [closure@src/rendering.rs:32:26: 32:63]>`
[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 `raytracer`
[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<std::ops::Range<usize>, [closure@src/rendering.rs:32:26: 32:63]>` in the current scope
[INFO] [stdout]   --> src/rendering.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     .fold_first(|c1, c2| c1 + c2)
[INFO] [stdout]    |                      ^^^^^^^^^^ method not found in `std::iter::Map<std::ops::Range<usize>, [closure@src/rendering.rs:32:26: 32:63]>`
[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" "834e492c62192b6da13d0b203bee59e784db0604a5d08099fdbb5edc5c3ce884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834e492c62192b6da13d0b203bee59e784db0604a5d08099fdbb5edc5c3ce884", kill_on_drop: false }`
[INFO] [stdout] 834e492c62192b6da13d0b203bee59e784db0604a5d08099fdbb5edc5c3ce884