[INFO] cloning repository https://github.com/esqu1/too-many-ray-tracers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/esqu1/too-many-ray-tracers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesqu1%2Ftoo-many-ray-tracers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesqu1%2Ftoo-many-ray-tracers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cfd28ff8aef47b8bae0cbfd6b584499b471ad4e
[INFO] checking esqu1/too-many-ray-tracers against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesqu1%2Ftoo-many-ray-tracers" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esqu1/too-many-ray-tracers on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/esqu1/too-many-ray-tracers
[INFO] finished tweaking git repo https://github.com/esqu1/too-many-ray-tracers
[INFO] tweaked toml for git repo https://github.com/esqu1/too-many-ray-tracers written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/esqu1/too-many-ray-tracers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] af66ccc61a8d9ad6d147dcdc2f6bfcb1c0aeaaec8ec635abe23f9a99d74a6948
[INFO] running `Command { std: "docker" "start" "-a" "af66ccc61a8d9ad6d147dcdc2f6bfcb1c0aeaaec8ec635abe23f9a99d74a6948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af66ccc61a8d9ad6d147dcdc2f6bfcb1c0aeaaec8ec635abe23f9a99d74a6948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af66ccc61a8d9ad6d147dcdc2f6bfcb1c0aeaaec8ec635abe23f9a99d74a6948", kill_on_drop: false }`
[INFO] [stdout] af66ccc61a8d9ad6d147dcdc2f6bfcb1c0aeaaec8ec635abe23f9a99d74a6948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d215da8387c4943bf2acb32d6f7d84e27e2c88ba04c9905f96dce04600a26f
[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" "49d215da8387c4943bf2acb32d6f7d84e27e2c88ba04c9905f96dce04600a26f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking too-many-ray-tracers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts`
[INFO] [stdout]  --> src/camera.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::f64::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts`
[INFO] [stdout]  --> src/camera.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::f64::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grid_position`
[INFO] [stdout]   --> src/ppm.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn grid_position(&self, index: &usize) -> Option<(usize, usize)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel_matrix`
[INFO] [stdout]   --> src/ppm.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn get_pixel_matrix(&self) -> Array3<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grid_position`
[INFO] [stdout]   --> src/ppm.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn grid_position(&self, index: &usize) -> Option<(usize, usize)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel_matrix`
[INFO] [stdout]   --> src/ppm.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn get_pixel_matrix(&self) -> Array3<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.22s
[INFO] running `Command { std: "docker" "inspect" "49d215da8387c4943bf2acb32d6f7d84e27e2c88ba04c9905f96dce04600a26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d215da8387c4943bf2acb32d6f7d84e27e2c88ba04c9905f96dce04600a26f", kill_on_drop: false }`
[INFO] [stdout] 49d215da8387c4943bf2acb32d6f7d84e27e2c88ba04c9905f96dce04600a26f