[INFO] cloning repository https://github.com/kfieldho/weekend_raytracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kfieldho/weekend_raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkfieldho%2Fweekend_raytracer"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkfieldho%2Fweekend_raytracer'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6c78418d7cad22083b9093bcc13529b941ee452b
[INFO] checking kfieldho/weekend_raytracer against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkfieldho%2Fweekend_raytracer" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kfieldho/weekend_raytracer 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/kfieldho/weekend_raytracer
[INFO] finished tweaking git repo https://github.com/kfieldho/weekend_raytracer
[INFO] tweaked toml for git repo https://github.com/kfieldho/weekend_raytracer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/kfieldho/weekend_raytracer 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] dd829c7eb9439438d92b507dfdfff551c9200b90cbef5384b7db946b6e843d50
[INFO] running `"docker" "start" "-a" "dd829c7eb9439438d92b507dfdfff551c9200b90cbef5384b7db946b6e843d50"`
[INFO] [stderr]     Checking weekend_raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vec3.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         (self.e[0] * self.e[0] + self.e[1] * self.e[1]  + self.e[2] * self.e[2])
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vec3.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         (self.e[0] * self.e[0] + self.e[1] * self.e[1]  + self.e[2] * self.e[2])
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u8` is invalid
[INFO] [stderr]   --> src/main.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let ir : u8 = (255.99 * col[0]) as u8;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u8` is invalid
[INFO] [stderr]   --> src/main.rs:44:27
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let ig : u8 = (255.99 * col[1]) as u8;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u8` is invalid
[INFO] [stderr]   --> src/main.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let ib : u8 = (255.99 * col[2]) as u8;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vec3.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         (self.e[0] * self.e[0] + self.e[1] * self.e[1]  + self.e[2] * self.e[2])
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vec3.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         (self.e[0] * self.e[0] + self.e[1] * self.e[1]  + self.e[2] * self.e[2])
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `weekend_raytracer`.
[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 `f32` as `u8` is invalid
[INFO] [stderr]   --> src/main.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let ir : u8 = (255.99 * col[0]) as u8;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u8` is invalid
[INFO] [stderr]   --> src/main.rs:44:27
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let ig : u8 = (255.99 * col[1]) as u8;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u8` is invalid
[INFO] [stderr]   --> src/main.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let ib : u8 = (255.99 * col[2]) as u8;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `weekend_raytracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dd829c7eb9439438d92b507dfdfff551c9200b90cbef5384b7db946b6e843d50"`
[INFO] running `"docker" "rm" "-f" "dd829c7eb9439438d92b507dfdfff551c9200b90cbef5384b7db946b6e843d50"`
[INFO] [stdout] dd829c7eb9439438d92b507dfdfff551c9200b90cbef5384b7db946b6e843d50