[INFO] cloning repository https://github.com/TheEngineDevs/R-Ace-RendererLibrary
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheEngineDevs/R-Ace-RendererLibrary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheEngineDevs%2FR-Ace-RendererLibrary"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheEngineDevs%2FR-Ace-RendererLibrary'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 175ec909cb362a47f17f0e4b7091b1ea2f38b3ad
[INFO] checking TheEngineDevs/R-Ace-RendererLibrary against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheEngineDevs%2FR-Ace-RendererLibrary" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheEngineDevs/R-Ace-RendererLibrary on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TheEngineDevs/R-Ace-RendererLibrary
[INFO] finished tweaking git repo https://github.com/TheEngineDevs/R-Ace-RendererLibrary
[INFO] tweaked toml for git repo https://github.com/TheEngineDevs/R-Ace-RendererLibrary written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/TheEngineDevs/R-Ace-RendererLibrary already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 126a95b07c5533bbba38d00013f72442df7d0b9da90c008c713131dc16726e62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "126a95b07c5533bbba38d00013f72442df7d0b9da90c008c713131dc16726e62"`
[INFO] [stderr]     Checking r_ace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]  --> src/allocation.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::heap;
[INFO] [stderr]   |     ^^^^^^^^^ no `heap` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/mat.rs:92:41
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     result.set_at(j, i, (self.get_at(j, k) * x.get_at(k, i)));
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/raytracer.rs:8:32
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type TracerScene = Vec<Box<shape::RaytracerShape>>;
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn shape::RaytracerShape`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raytracer.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn color_for_ray(ray: &ray::Ray, shape: &Box<shape::RaytracerShape>, val: &mut usize) -> color::RGBColor
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn shape::RaytracerShape`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `r_ace`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]  --> src/allocation.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::heap;
[INFO] [stderr]   |     ^^^^^^^^^ no `heap` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/mat.rs:92:41
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     result.set_at(j, i, (self.get_at(j, k) * x.get_at(k, i)));
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/raytracer.rs:8:32
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type TracerScene = Vec<Box<shape::RaytracerShape>>;
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn shape::RaytracerShape`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raytracer.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn color_for_ray(ray: &ray::Ray, shape: &Box<shape::RaytracerShape>, val: &mut usize) -> color::RGBColor
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn shape::RaytracerShape`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `r_ace`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "126a95b07c5533bbba38d00013f72442df7d0b9da90c008c713131dc16726e62"`
[INFO] running `"docker" "rm" "-f" "126a95b07c5533bbba38d00013f72442df7d0b9da90c008c713131dc16726e62"`
[INFO] [stdout] 126a95b07c5533bbba38d00013f72442df7d0b9da90c008c713131dc16726e62