[INFO] cloning repository https://github.com/ikornaselur/rusty-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/ikornaselur/rusty-ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikornaselur%2Frusty-ray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikornaselur%2Frusty-ray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d6b2d83b4bdae75c499c85a69469e3f868cb028
[INFO] testing ikornaselur/rusty-ray-tracer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikornaselur%2Frusty-ray-tracer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ikornaselur/rusty-ray-tracer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ikornaselur/rusty-ray-tracer
[INFO] finished tweaking git repo https://github.com/ikornaselur/rusty-ray-tracer
[INFO] tweaked toml for git repo https://github.com/ikornaselur/rusty-ray-tracer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ikornaselur/rusty-ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wgpu v0.7.1
[INFO] [stderr]   Downloaded gfx-backend-empty v0.7.0
[INFO] [stderr]   Downloaded gfx-backend-gl v0.7.1
[INFO] [stderr]   Downloaded wide v0.5.5
[INFO] [stderr]   Downloaded khronos-egl v3.0.2
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.7.0
[INFO] [stderr]   Downloaded ultraviolet v0.7.5
[INFO] [stderr]   Downloaded gfx-hal v0.7.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.7.1
[INFO] [stderr]   Downloaded metal v0.21.0
[INFO] [stderr]   Downloaded mio-misc v1.0.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.7.0
[INFO] [stderr]   Downloaded wgpu-core v0.7.1
[INFO] [stderr]   Downloaded naga v0.3.2
[INFO] [stderr]   Downloaded glow v0.7.2
[INFO] [stderr]   Downloaded gfx-auxil v0.8.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.7.0
[INFO] [stderr]   Downloaded gpu-alloc v0.3.0
[INFO] [stderr]   Downloaded wgpu-types v0.7.0
[INFO] [stderr]   Downloaded pixels v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 487c17a41d4446b6ae65427de71c85a40a5de181dd6cedcc5cf64d46fcf9ea51
[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" "487c17a41d4446b6ae65427de71c85a40a5de181dd6cedcc5cf64d46fcf9ea51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "487c17a41d4446b6ae65427de71c85a40a5de181dd6cedcc5cf64d46fcf9ea51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487c17a41d4446b6ae65427de71c85a40a5de181dd6cedcc5cf64d46fcf9ea51", kill_on_drop: false }`
[INFO] [stdout] 487c17a41d4446b6ae65427de71c85a40a5de181dd6cedcc5cf64d46fcf9ea51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 0054c8a74cd49a9d110985934c036b904c40dd3d7c0b48906ce26f3238fe12f7
[INFO] running `Command { std: "docker" "start" "-a" "0054c8a74cd49a9d110985934c036b904c40dd3d7c0b48906ce26f3238fe12f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pollster v0.2.4
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling khronos-egl v3.0.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling mio-misc v1.0.1
[INFO] [stderr]    Compiling spirv_cross v0.23.1
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.20.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=ef918f2fa776ba93 -C extra-filename=-ef918f2fa776ba93 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dece450273084492.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-bdad4c8975faf276.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: src/wrapper.cpp:2: warning: ignoring #pragma warning  [-Wunknown-pragmas]
[INFO] [stderr] warning:     2 | #pragma warning(disable : 4996 4101)
[INFO] [stderr] warning:       | 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0054c8a74cd49a9d110985934c036b904c40dd3d7c0b48906ce26f3238fe12f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0054c8a74cd49a9d110985934c036b904c40dd3d7c0b48906ce26f3238fe12f7", kill_on_drop: false }`
[INFO] [stdout] 0054c8a74cd49a9d110985934c036b904c40dd3d7c0b48906ce26f3238fe12f7