[INFO] cloning repository https://github.com/kriben/rustraytracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kriben/rustraytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriben%2Frustraytracer"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriben%2Frustraytracer'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9cee274e79fd0d4fc0ad99575d43c44c3ba8cab
[INFO] checking kriben/rustraytracer against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriben%2Frustraytracer" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kriben/rustraytracer on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kriben/rustraytracer
[INFO] finished tweaking git repo https://github.com/kriben/rustraytracer
[INFO] tweaked toml for git repo https://github.com/kriben/rustraytracer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kriben/rustraytracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2f4ac0af33c8cda40f41bec4b9274eb1389dee1e922f575bd04a0fa4a050120
[INFO] running `"docker" "start" "-a" "b2f4ac0af33c8cda40f41bec4b9274eb1389dee1e922f575bd04a0fa4a050120"`
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking rustraytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `usize: std::ops::Neg` is not satisfied
[INFO] [stderr]    --> src/main.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let mut idx = -1;
[INFO] [stderr]     |                   ^^ the trait `std::ops::Neg` is not implemented for `usize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImage`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     GenericImage,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `rustraytracer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `usize: std::ops::Neg` is not satisfied
[INFO] [stderr]    --> src/main.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let mut idx = -1;
[INFO] [stderr]     |                   ^^ the trait `std::ops::Neg` is not implemented for `usize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImage`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     GenericImage,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `rustraytracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b2f4ac0af33c8cda40f41bec4b9274eb1389dee1e922f575bd04a0fa4a050120"`
[INFO] running `"docker" "rm" "-f" "b2f4ac0af33c8cda40f41bec4b9274eb1389dee1e922f575bd04a0fa4a050120"`
[INFO] [stdout] b2f4ac0af33c8cda40f41bec4b9274eb1389dee1e922f575bd04a0fa4a050120