[INFO] cloning repository https://github.com/Cron3x/ray_tracing_in_one_weakend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cron3x/ray_tracing_in_one_weakend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCron3x%2Fray_tracing_in_one_weakend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCron3x%2Fray_tracing_in_one_weakend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8a2df5e31fa029e1e71cd2066a18e0dc59b57be
[INFO] checking Cron3x/ray_tracing_in_one_weakend against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCron3x%2Fray_tracing_in_one_weakend" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cron3x/ray_tracing_in_one_weakend
[INFO] finished tweaking git repo https://github.com/Cron3x/ray_tracing_in_one_weakend
[INFO] tweaked toml for git repo https://github.com/Cron3x/ray_tracing_in_one_weakend written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cron3x/ray_tracing_in_one_weakend on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cron3x/ray_tracing_in_one_weakend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7295eec3f75a6a5913a305a12d656bf0290a8d96be9c5e41e7545881b36db4c
[INFO] running `Command { std: "docker" "start" "-a" "a7295eec3f75a6a5913a305a12d656bf0290a8d96be9c5e41e7545881b36db4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7295eec3f75a6a5913a305a12d656bf0290a8d96be9c5e41e7545881b36db4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7295eec3f75a6a5913a305a12d656bf0290a8d96be9c5e41e7545881b36db4c", kill_on_drop: false }`
[INFO] [stdout] a7295eec3f75a6a5913a305a12d656bf0290a8d96be9c5e41e7545881b36db4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5daef3b637049fcc0ae4898a22199b808db18b64fdd18f340be2bffdaf7f1378
[INFO] running `Command { std: "docker" "start" "-a" "5daef3b637049fcc0ae4898a22199b808db18b64fdd18f340be2bffdaf7f1378", kill_on_drop: false }`
[INFO] [stderr]     Checking ray_tracing_in_one_weakend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]   --> src/main.rs:15:64
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let t = Sphere::new(vec3(0.0,0.0,-1.0), 0.5).hit(r, 0, 10, \/);
[INFO] [stdout]    |                                                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `/`
[INFO] [stdout]   --> src/main.rs:15:65
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let t = Sphere::new(vec3(0.0,0.0,-1.0), 0.5).hit(r, 0, 10, \/);
[INFO] [stdout]    |                                                                 ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]   --> src/main.rs:15:64
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let t = Sphere::new(vec3(0.0,0.0,-1.0), 0.5).hit(r, 0, 10, \/);
[INFO] [stdout]    |                                                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `/`
[INFO] [stdout]   --> src/main.rs:15:65
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let t = Sphere::new(vec3(0.0,0.0,-1.0), 0.5).hit(r, 0, 10, \/);
[INFO] [stdout]    |                                                                 ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hittable::Hittable`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use hittable::Hittable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sphere::Sphere`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sphere::Sphere;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `rgb` and `unit_vector`
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use vec3::{Vec3, unit_vector, vec3, Color, Point3, rgb};
[INFO] [stdout]    |                  ^^^^^^^^^^^                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `root`
[INFO] [stdout]   --> src/sphere.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let root = (-half_b -sqrtd) / a;
[INFO] [stdout]    |             ---- first assignment to `root`
[INFO] [stdout] 26 |         if root < t_min || t_max < root {
[INFO] [stdout] 27 |             root = (-half_b + sqrtd) / a;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign twice to immutable variable
[INFO] [stdout]    |
[INFO] [stdout] help: consider making this binding mutable
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut root = (-half_b -sqrtd) / a;
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hittable::Hittable`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use hittable::Hittable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sphere::Sphere`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sphere::Sphere;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `rgb` and `unit_vector`
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use vec3::{Vec3, unit_vector, vec3, Color, Point3, rgb};
[INFO] [stdout]    |                  ^^^^^^^^^^^                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray_tracing_in_one_weakend` (bin "ray_tracing_in_one_weakend") due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `root`
[INFO] [stdout]   --> src/sphere.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let root = (-half_b -sqrtd) / a;
[INFO] [stdout]    |             ---- first assignment to `root`
[INFO] [stdout] 26 |         if root < t_min || t_max < root {
[INFO] [stdout] 27 |             root = (-half_b + sqrtd) / a;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign twice to immutable variable
[INFO] [stdout]    |
[INFO] [stdout] help: consider making this binding mutable
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut root = (-half_b -sqrtd) / a;
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray_tracing_in_one_weakend` (bin "ray_tracing_in_one_weakend" test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5daef3b637049fcc0ae4898a22199b808db18b64fdd18f340be2bffdaf7f1378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5daef3b637049fcc0ae4898a22199b808db18b64fdd18f340be2bffdaf7f1378", kill_on_drop: false }`
[INFO] [stdout] 5daef3b637049fcc0ae4898a22199b808db18b64fdd18f340be2bffdaf7f1378
