[INFO] cloning repository https://github.com/kevinclancy/raytracing-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinclancy/raytracing-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclancy%2Fraytracing-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclancy%2Fraytracing-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee7805259c7b31571bd939cb0cc28c432b9c5dcd
[INFO] checking kevinclancy/raytracing-rust against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclancy%2Fraytracing-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kevinclancy/raytracing-rust
[INFO] finished tweaking git repo https://github.com/kevinclancy/raytracing-rust
[INFO] tweaked toml for git repo https://github.com/kevinclancy/raytracing-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kevinclancy/raytracing-rust on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kevinclancy/raytracing-rust 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7988ebfec7f58e3c529d6fc3a3841a66653569ca202bcde5c5afdfe04a81ac50
[INFO] running `Command { std: "docker" "start" "-a" "7988ebfec7f58e3c529d6fc3a3841a66653569ca202bcde5c5afdfe04a81ac50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7988ebfec7f58e3c529d6fc3a3841a66653569ca202bcde5c5afdfe04a81ac50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7988ebfec7f58e3c529d6fc3a3841a66653569ca202bcde5c5afdfe04a81ac50", kill_on_drop: false }`
[INFO] [stdout] 7988ebfec7f58e3c529d6fc3a3841a66653569ca202bcde5c5afdfe04a81ac50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 386f0af21fb56e2a7d50b4d5903691c2fa01089b39adba1aff7550207f8bc123
[INFO] running `Command { std: "docker" "start" "-a" "386f0af21fb56e2a7d50b4d5903691c2fa01089b39adba1aff7550207f8bc123", kill_on_drop: false }`
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/color.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn write_color(w: &mut (impl Write), pixel_color: &Color) {
[INFO] [stdout]    |                            ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - pub fn write_color(w: &mut (impl Write), pixel_color: &Color) {
[INFO] [stdout] 27 + pub fn write_color(w: &mut impl Write, pixel_color: &Color) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/color.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn write_color(w: &mut (impl Write), pixel_color: &Color) {
[INFO] [stdout]    |                            ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - pub fn write_color(w: &mut (impl Write), pixel_color: &Color) {
[INFO] [stdout] 27 + pub fn write_color(w: &mut impl Write, pixel_color: &Color) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/sphere.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     if (discriminant < 0.) {
[INFO] [stdout]    |        ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     if (discriminant < 0.) {
[INFO] [stdout] 23 +     if discriminant < 0. {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/sphere.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     if (discriminant < 0.) {
[INFO] [stdout]    |        ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     if (discriminant < 0.) {
[INFO] [stdout] 23 +     if discriminant < 0. {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_anything` is assigned to, but never used
[INFO] [stdout]   --> src/hittable_list.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut hit_anything = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_hit_anything` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_anything` is assigned to, but never used
[INFO] [stdout]   --> src/hittable_list.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut hit_anything = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_hit_anything` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_anything` is never read
[INFO] [stdout]   --> src/hittable_list.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |           hit_anything = true;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_anything` is never read
[INFO] [stdout]   --> src/hittable_list.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |           hit_anything = true;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "386f0af21fb56e2a7d50b4d5903691c2fa01089b39adba1aff7550207f8bc123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386f0af21fb56e2a7d50b4d5903691c2fa01089b39adba1aff7550207f8bc123", kill_on_drop: false }`
[INFO] [stdout] 386f0af21fb56e2a7d50b4d5903691c2fa01089b39adba1aff7550207f8bc123