[INFO] cloning repository https://github.com/sy3c4ll/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sy3c4ll/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsy3c4ll%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsy3c4ll%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aabbedd5f6b9e157a9b72ab7b2d5861576b8b929
[INFO] testing sy3c4ll/raytracer against 1.99.0-beta.1 for beta-1.99-5
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsy3c4ll%2Fraytracer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sy3c4ll/raytracer
[INFO] finished tweaking git repo https://github.com/sy3c4ll/raytracer
[INFO] tweaked toml for git repo https://github.com/sy3c4ll/raytracer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sy3c4ll/raytracer on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sy3c4ll/raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e2f49b71e26c74881beb007c66b4d5a09a9d91d646048150f59171ab4016a0c9
[INFO] running `Command { std: "docker" "start" "e2f49b71e26c74881beb007c66b4d5a09a9d91d646048150f59171ab4016a0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f49b71e26c74881beb007c66b4d5a09a9d91d646048150f59171ab4016a0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2f49b71e26c74881beb007c66b4d5a09a9d91d646048150f59171ab4016a0c9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f49b71e26c74881beb007c66b4d5a09a9d91d646048150f59171ab4016a0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2f49b71e26c74881beb007c66b4d5a09a9d91d646048150f59171ab4016a0c9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/image.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn into_iter(self) -> Self::IntoIter {
[INFO] [stdout]    |                           -------------- expected `std::array::IntoIter<[P; W], H>` because of return type
[INFO] [stdout] 25 |         self.0.into_iter()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ expected `IntoIter<[P; W], H>`, found `BoxedArrayIntoIter<[P; W], H>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::array::IntoIter<[P; W], H>`
[INFO] [stdout]               found struct `BoxedArrayIntoIter<[P; W], H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raytracer` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e2f49b71e26c74881beb007c66b4d5a09a9d91d646048150f59171ab4016a0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f49b71e26c74881beb007c66b4d5a09a9d91d646048150f59171ab4016a0c9", kill_on_drop: false }`
[INFO] [stdout] e2f49b71e26c74881beb007c66b4d5a09a9d91d646048150f59171ab4016a0c9