[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#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesqu1%2Ftoo-many-ray-tracers" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esqu1/too-many-ray-tracers on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 230e086b120bf5b0c993b117b317f6190aab81b059e4ef9ddd619856e62fd911
[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" "230e086b120bf5b0c993b117b317f6190aab81b059e4ef9ddd619856e62fd911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "230e086b120bf5b0c993b117b317f6190aab81b059e4ef9ddd619856e62fd911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230e086b120bf5b0c993b117b317f6190aab81b059e4ef9ddd619856e62fd911", kill_on_drop: false }`
[INFO] [stdout] 230e086b120bf5b0c993b117b317f6190aab81b059e4ef9ddd619856e62fd911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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] cbecf357c3a6c77f6084f78df0d32d1bf4ef2aa93808cfbf2bc659db2cd17f2f
[INFO] running `Command { std: "docker" "start" "-a" "cbecf357c3a6c77f6084f78df0d32d1bf4ef2aa93808cfbf2bc659db2cd17f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[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 ndarray v0.13.1
[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 16.25s
[INFO] running `Command { std: "docker" "inspect" "cbecf357c3a6c77f6084f78df0d32d1bf4ef2aa93808cfbf2bc659db2cd17f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbecf357c3a6c77f6084f78df0d32d1bf4ef2aa93808cfbf2bc659db2cd17f2f", kill_on_drop: false }`
[INFO] [stdout] cbecf357c3a6c77f6084f78df0d32d1bf4ef2aa93808cfbf2bc659db2cd17f2f