[INFO] updating cached repository https://github.com/GreenLoofa/ray_tracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 782d86cfe7cf3862faae60f7ef6771c519965905
[INFO] checking GreenLoofa/ray_tracer against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGreenLoofa%2Fray_tracer" "/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/GreenLoofa/ray_tracer on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/GreenLoofa/ray_tracer
[INFO] finished tweaking git repo https://github.com/GreenLoofa/ray_tracer
[INFO] tweaked toml for git repo https://github.com/GreenLoofa/ray_tracer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/GreenLoofa/ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 58563a20f8a9114ee33a076a98391de6030cfed7cd7c6d8fb5ef2867db958163
[INFO] running `"docker" "start" "-a" "58563a20f8a9114ee33a076a98391de6030cfed7cd7c6d8fb5ef2867db958163"`
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: unknown start of token: `
[INFO] [stderr]    --> src/main.rs:157:18
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let ns = 100;`
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let ns = 100;'
[INFO] [stderr]     |                  ^
[INFO] [stderr] 
[INFO] [stderr] error: unknown start of token: `
[INFO] [stderr]    --> src/main.rs:157:18
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let ns = 100;`
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let ns = 100;'
[INFO] [stderr]     |                  ^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]    --> src/main.rs:197:22
[INFO] [stderr]     |
[INFO] [stderr] 197 |             let ir = (255.99 * c.x.sqrt()) as u8;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]    --> src/main.rs:198:22
[INFO] [stderr]     |
[INFO] [stderr] 198 |             let ig = (255.99 * c.y.sqrt()) as u8;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]    --> src/main.rs:199:22
[INFO] [stderr]     |
[INFO] [stderr] 199 |             let ib = (255.99 * c.z.sqrt()) as u8;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]    --> src/main.rs:197:22
[INFO] [stderr]     |
[INFO] [stderr] 197 |             let ir = (255.99 * c.x.sqrt()) as u8;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]    --> src/main.rs:198:22
[INFO] [stderr]     |
[INFO] [stderr] 198 |             let ig = (255.99 * c.y.sqrt()) as u8;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ray_tracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]    --> src/main.rs:199:22
[INFO] [stderr]     |
[INFO] [stderr] 199 |             let ib = (255.99 * c.z.sqrt()) as u8;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `ray_tracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "58563a20f8a9114ee33a076a98391de6030cfed7cd7c6d8fb5ef2867db958163"`
[INFO] running `"docker" "rm" "-f" "58563a20f8a9114ee33a076a98391de6030cfed7cd7c6d8fb5ef2867db958163"`
[INFO] [stdout] 58563a20f8a9114ee33a076a98391de6030cfed7cd7c6d8fb5ef2867db958163