[INFO] cloning repository https://github.com/Rainforest-Sun/Raytracer-Book-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rainforest-Sun/Raytracer-Book-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainforest-Sun%2FRaytracer-Book-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainforest-Sun%2FRaytracer-Book-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa15ef808582c20c5a7919f728cb477c038f4d3e
[INFO] checking Rainforest-Sun/Raytracer-Book-1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainforest-Sun%2FRaytracer-Book-1" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rainforest-Sun/Raytracer-Book-1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Rainforest-Sun/Raytracer-Book-1
[INFO] finished tweaking git repo https://github.com/Rainforest-Sun/Raytracer-Book-1
[INFO] tweaked toml for git repo https://github.com/Rainforest-Sun/Raytracer-Book-1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rainforest-Sun/Raytracer-Book-1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.9
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8e69676f4e05efe9f3e67f29ee1699bf724b8e5f766564fa5d3ceb067d90588
[INFO] running `Command { std: "docker" "start" "-a" "a8e69676f4e05efe9f3e67f29ee1699bf724b8e5f766564fa5d3ceb067d90588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e69676f4e05efe9f3e67f29ee1699bf724b8e5f766564fa5d3ceb067d90588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e69676f4e05efe9f3e67f29ee1699bf724b8e5f766564fa5d3ceb067d90588", kill_on_drop: false }`
[INFO] [stdout] a8e69676f4e05efe9f3e67f29ee1699bf724b8e5f766564fa5d3ceb067d90588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ba62272ba5e410c32ac25ab4685feaa9ce1959f04f12f215aab2bfc5219ef41
[INFO] running `Command { std: "docker" "start" "-a" "8ba62272ba5e410c32ac25ab4685feaa9ce1959f04f12f215aab2bfc5219ef41", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir/raytracer)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `Command { std: "docker" "inspect" "8ba62272ba5e410c32ac25ab4685feaa9ce1959f04f12f215aab2bfc5219ef41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba62272ba5e410c32ac25ab4685feaa9ce1959f04f12f215aab2bfc5219ef41", kill_on_drop: false }`
[INFO] [stdout] 8ba62272ba5e410c32ac25ab4685feaa9ce1959f04f12f215aab2bfc5219ef41
[INFO] checking Rainforest-Sun/Raytracer-Book-1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainforest-Sun%2FRaytracer-Book-1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rainforest-Sun/Raytracer-Book-1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Rainforest-Sun/Raytracer-Book-1
[INFO] finished tweaking git repo https://github.com/Rainforest-Sun/Raytracer-Book-1
[INFO] tweaked toml for git repo https://github.com/Rainforest-Sun/Raytracer-Book-1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Rainforest-Sun/Raytracer-Book-1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff66ba9833743bc0d7fa0609e932808b9495a866608d90c5db34150c96ecb45a
[INFO] running `Command { std: "docker" "start" "-a" "ff66ba9833743bc0d7fa0609e932808b9495a866608d90c5db34150c96ecb45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff66ba9833743bc0d7fa0609e932808b9495a866608d90c5db34150c96ecb45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff66ba9833743bc0d7fa0609e932808b9495a866608d90c5db34150c96ecb45a", kill_on_drop: false }`
[INFO] [stdout] ff66ba9833743bc0d7fa0609e932808b9495a866608d90c5db34150c96ecb45a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db762b8f3f249aafcccb3f4eee3b04ca0ea6e338cb6ba1d8b84889d43a723ae7
[INFO] running `Command { std: "docker" "start" "-a" "db762b8f3f249aafcccb3f4eee3b04ca0ea6e338cb6ba1d8b84889d43a723ae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir/raytracer)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "db762b8f3f249aafcccb3f4eee3b04ca0ea6e338cb6ba1d8b84889d43a723ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db762b8f3f249aafcccb3f4eee3b04ca0ea6e338cb6ba1d8b84889d43a723ae7", kill_on_drop: false }`
[INFO] [stdout] db762b8f3f249aafcccb3f4eee3b04ca0ea6e338cb6ba1d8b84889d43a723ae7