[INFO] cloning repository https://github.com/jk-gan/ray-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jk-gan/ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjk-gan%2Fray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjk-gan%2Fray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16976917d84161943e5fd9b0cd2fe0ef857a9b78
[INFO] checking jk-gan/ray-tracer against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjk-gan%2Fray-tracer" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jk-gan/ray-tracer on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jk-gan/ray-tracer
[INFO] finished tweaking git repo https://github.com/jk-gan/ray-tracer
[INFO] tweaked toml for git repo https://github.com/jk-gan/ray-tracer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jk-gan/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c74ff2e0a904fc6099577162261ceb7c4534d7729658bb4ace57b9101255dc5
[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" "7c74ff2e0a904fc6099577162261ceb7c4534d7729658bb4ace57b9101255dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c74ff2e0a904fc6099577162261ceb7c4534d7729658bb4ace57b9101255dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c74ff2e0a904fc6099577162261ceb7c4534d7729658bb4ace57b9101255dc5", kill_on_drop: false }`
[INFO] [stdout] 7c74ff2e0a904fc6099577162261ceb7c4534d7729658bb4ace57b9101255dc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 2040a9a66860897045cae367367e8f84694b0a7be666bbd9acbadd6143ca3ac8
[INFO] running `Command { std: "docker" "start" "-a" "2040a9a66860897045cae367367e8f84694b0a7be666bbd9acbadd6143ca3ac8", kill_on_drop: false }`
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]    --> src/vec3.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub fn cross(u: &Vec3, v: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]    --> src/vec3.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub fn cross(u: &Vec3, v: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "2040a9a66860897045cae367367e8f84694b0a7be666bbd9acbadd6143ca3ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2040a9a66860897045cae367367e8f84694b0a7be666bbd9acbadd6143ca3ac8", kill_on_drop: false }`
[INFO] [stdout] 2040a9a66860897045cae367367e8f84694b0a7be666bbd9acbadd6143ca3ac8