[INFO] cloning repository https://github.com/zehreken/rt_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zehreken/rt_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzehreken%2Frt_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzehreken%2Frt_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94f4ee88365c2e703e5e8f36bdff48c77e5ce026
[INFO] checking zehreken/rt_rs against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzehreken%2Frt_rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zehreken/rt_rs on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zehreken/rt_rs
[INFO] finished tweaking git repo https://github.com/zehreken/rt_rs
[INFO] tweaked toml for git repo https://github.com/zehreken/rt_rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/zehreken/rt_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b82ccde9b2f9dcc03808e677abd508109132d46cb9017d8c5ef990db7100bdb8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b82ccde9b2f9dcc03808e677abd508109132d46cb9017d8c5ef990db7100bdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b82ccde9b2f9dcc03808e677abd508109132d46cb9017d8c5ef990db7100bdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82ccde9b2f9dcc03808e677abd508109132d46cb9017d8c5ef990db7100bdb8", kill_on_drop: false }`
[INFO] [stdout] b82ccde9b2f9dcc03808e677abd508109132d46cb9017d8c5ef990db7100bdb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd85b1ba741d8930abeb9e5af7c075d4f958dbd61eb8a8b3b23a5b680f81219
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fdd85b1ba741d8930abeb9e5af7c075d4f958dbd61eb8a8b3b23a5b680f81219", kill_on_drop: false }`
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[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
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[INFO] [stderr]     Checking rt-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `save_image_mt`
[INFO] [stdout]    --> src/tracer.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn save_image_mt(width: u32, height: u32, sample: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_image`
[INFO] [stdout]    --> src/tracer.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn save_image(width: u32, height: u32, sample: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_simple_scene`
[INFO] [stdout]    --> src/tracer.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn get_simple_scene() -> Vec<Sphere> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE`
[INFO] [stdout]  --> src/thread_test.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SIZE: usize = 10000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_thread`
[INFO] [stdout]  --> src/thread_test.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn test_thread() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_functional`
[INFO] [stdout]   --> src/thread_test.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn run_functional() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_main`
[INFO] [stdout]   --> src/thread_test.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn run_main() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_threads`
[INFO] [stdout]   --> src/thread_test.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn run_threads() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bubble_sort`
[INFO] [stdout]    --> src/thread_test.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn bubble_sort(a: &mut [u32; SIZE]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trace_with_sdl`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn trace_with_sdl(width: u32, height: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_image_mt`
[INFO] [stdout]    --> src/tracer.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn save_image_mt(width: u32, height: u32, sample: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_image`
[INFO] [stdout]    --> src/tracer.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn save_image(width: u32, height: u32, sample: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_simple_scene`
[INFO] [stdout]    --> src/tracer.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn get_simple_scene() -> Vec<Sphere> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE`
[INFO] [stdout]  --> src/thread_test.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SIZE: usize = 10000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_thread`
[INFO] [stdout]  --> src/thread_test.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn test_thread() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_functional`
[INFO] [stdout]   --> src/thread_test.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn run_functional() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_main`
[INFO] [stdout]   --> src/thread_test.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn run_main() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_threads`
[INFO] [stdout]   --> src/thread_test.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn run_threads() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bubble_sort`
[INFO] [stdout]    --> src/thread_test.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn bubble_sort(a: &mut [u32; SIZE]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trace_with_sdl`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn trace_with_sdl(width: u32, height: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "fdd85b1ba741d8930abeb9e5af7c075d4f958dbd61eb8a8b3b23a5b680f81219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd85b1ba741d8930abeb9e5af7c075d4f958dbd61eb8a8b3b23a5b680f81219", kill_on_drop: false }`
[INFO] [stdout] fdd85b1ba741d8930abeb9e5af7c075d4f958dbd61eb8a8b3b23a5b680f81219