[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#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclancy%2Fraytracing-rust" "/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/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kevinclancy/raytracing-rust on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kevinclancy/raytracing-rust against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclancy%2Fraytracing-rust" "/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/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kevinclancy/raytracing-rust on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 717de18a07bd70bb0e6f9a7f7bbf3605e442ff121cd33069bfe55713d02823fe
[INFO] running `Command { std: "docker" "start" "-a" "717de18a07bd70bb0e6f9a7f7bbf3605e442ff121cd33069bfe55713d02823fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "717de18a07bd70bb0e6f9a7f7bbf3605e442ff121cd33069bfe55713d02823fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717de18a07bd70bb0e6f9a7f7bbf3605e442ff121cd33069bfe55713d02823fe", kill_on_drop: false }`
[INFO] [stdout] 717de18a07bd70bb0e6f9a7f7bbf3605e442ff121cd33069bfe55713d02823fe
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4960c91eef1587f6737edbd6c4b5a17e80de230af9afe28f7b7d88062f21db64
[INFO] running `Command { std: "docker" "start" "-a" "4960c91eef1587f6737edbd6c4b5a17e80de230af9afe28f7b7d88062f21db64", 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)]` (part of `#[warn(unused)]`) 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 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)]` (part of `#[warn(unused)]`) 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: variable `hit_anything` is assigned to, but never used
[INFO] [stdout]   --> src/hittable_list.rs:27:9
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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:27:9
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "4960c91eef1587f6737edbd6c4b5a17e80de230af9afe28f7b7d88062f21db64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4960c91eef1587f6737edbd6c4b5a17e80de230af9afe28f7b7d88062f21db64", kill_on_drop: false }`
[INFO] [stdout] 4960c91eef1587f6737edbd6c4b5a17e80de230af9afe28f7b7d88062f21db64
