[INFO] cloning repository https://github.com/kunalchandan/ToyTracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunalchandan/ToyTracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalchandan%2FToyTracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalchandan%2FToyTracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a310fdc3f6c3bae86929e1e10c567ef826f520b5
[INFO] checking kunalchandan/ToyTracer against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalchandan%2FToyTracer" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kunalchandan/ToyTracer on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kunalchandan/ToyTracer
[INFO] finished tweaking git repo https://github.com/kunalchandan/ToyTracer
[INFO] tweaked toml for git repo https://github.com/kunalchandan/ToyTracer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kunalchandan/ToyTracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.70.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96ca756408694d2c3bfc177b07afc9d73308b7420b1572b50ae27ef443ed3952
[INFO] running `Command { std: "docker" "start" "-a" "96ca756408694d2c3bfc177b07afc9d73308b7420b1572b50ae27ef443ed3952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ca756408694d2c3bfc177b07afc9d73308b7420b1572b50ae27ef443ed3952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ca756408694d2c3bfc177b07afc9d73308b7420b1572b50ae27ef443ed3952", kill_on_drop: false }`
[INFO] [stdout] 96ca756408694d2c3bfc177b07afc9d73308b7420b1572b50ae27ef443ed3952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 62231eb04c71329eafbb17230a04172a32aa49b197bf4889f37578403e33e3f5
[INFO] running `Command { std: "docker" "start" "-a" "62231eb04c71329eafbb17230a04172a32aa49b197bf4889f37578403e33e3f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]     Checking toy_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::world::Traceable`
[INFO] [stdout]  --> src/ray.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::world::Traceable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::world::Traceable`
[INFO] [stdout]  --> src/ray.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::world::Traceable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]    --> src/main.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |         e.mouse_cursor(|pos| {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]    --> src/main.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |         e.mouse_cursor(|pos| {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/main.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |         if let Some(r) = e.render_args() {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/main.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |         if let Some(r) = e.render_args() {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `to_trace` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut to_trace: &Box<dyn Traceable> = self.objects[0].borrow();
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_to_trace` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `to_trace` is never read
[INFO] [stdout]    --> src/main.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     to_trace = obj;
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `to_trace` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut to_trace: &Box<dyn Traceable> = self.objects[0].borrow();
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_to_trace` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cn`
[INFO] [stdout]    --> src/main.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let cn = nl::Vector3::new(CAM_X, CAM_Y, CAM_Z) + (SCR_Z * nl::Vector3::new(CAM_P.sin() * CAM_T.cos(),
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `to_trace` is never read
[INFO] [stdout]    --> src/main.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     to_trace = obj;
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `br`
[INFO] [stdout]    --> src/main.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let br = nl::Vector3::new(CAM_X, CAM_Y, CAM_Z) +
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_br`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cn`
[INFO] [stdout]    --> src/main.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let cn = nl::Vector3::new(CAM_X, CAM_Y, CAM_Z) + (SCR_Z * nl::Vector3::new(CAM_P.sin() * CAM_T.cos(),
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pix_colour`
[INFO] [stdout]    --> src/main.rs:162:21
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 let pix_colour = self.recursive_trace(r);
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pix_colour`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `br`
[INFO] [stdout]    --> src/main.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let br = nl::Vector3::new(CAM_X, CAM_Y, CAM_Z) +
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_br`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/world.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn normal(&self, r: Ray) -> Ray {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pix_colour`
[INFO] [stdout]    --> src/main.rs:162:21
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 let pix_colour = self.recursive_trace(r);
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pix_colour`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/world.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn normal(&self, r: Ray) -> Ray {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 05s
[INFO] running `Command { std: "docker" "inspect" "62231eb04c71329eafbb17230a04172a32aa49b197bf4889f37578403e33e3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62231eb04c71329eafbb17230a04172a32aa49b197bf4889f37578403e33e3f5", kill_on_drop: false }`
[INFO] [stdout] 62231eb04c71329eafbb17230a04172a32aa49b197bf4889f37578403e33e3f5