[INFO] updating cached repository https://github.com/zehreken/rt_rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/zehreken/rt_rs
[INFO] [stderr]    fc33920..f921810  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f9218108cd8802202d0441dbeed600579b59564a
[INFO] checking zehreken/rt_rs against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzehreken%2Frt_rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zehreken/rt_rs on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zehreken/rt_rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e87bab2e9078e055b5b5d097b76ef269eb138ef435c36ca21482fe48f6389b0d
[INFO] running `"docker" "start" "-a" "e87bab2e9078e055b5b5d097b76ef269eb138ef435c36ca21482fe48f6389b0d"`
[INFO] [stderr]     Checking wayland-sys v0.24.1
[INFO] [stderr]    Compiling minifb v0.15.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking sdl2-sys v0.32.6
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]    Compiling wayland-scanner v0.24.1
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sdl2 v0.32.2
[INFO] [stderr]    Compiling wayland-client v0.24.1
[INFO] [stderr]    Compiling wayland-protocols v0.24.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking wayland-commons v0.24.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking rt-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `save_image`
[INFO] [stderr]    --> src/tracer.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 | pub fn save_image(width: u32, height: u32, sample: u32) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SIZE`
[INFO] [stderr]  --> src/thread_test.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const SIZE: usize = 10000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_thread`
[INFO] [stderr]  --> src/thread_test.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn test_thread() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_functional`
[INFO] [stderr]   --> src/thread_test.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn run_functional() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_main`
[INFO] [stderr]   --> src/thread_test.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn run_main() {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_threads`
[INFO] [stderr]   --> src/thread_test.rs:81:4
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn run_threads() {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bubble_sort`
[INFO] [stderr]    --> src/thread_test.rs:159:4
[INFO] [stderr]     |
[INFO] [stderr] 159 | fn bubble_sort(a: &mut [u32; SIZE]) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `trace_with_sdl`
[INFO] [stderr]   --> src/main.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn trace_with_sdl(width: u32, height: u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save_image`
[INFO] [stderr]    --> src/tracer.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 | pub fn save_image(width: u32, height: u32, sample: u32) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SIZE`
[INFO] [stderr]  --> src/thread_test.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const SIZE: usize = 10000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_thread`
[INFO] [stderr]  --> src/thread_test.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn test_thread() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_functional`
[INFO] [stderr]   --> src/thread_test.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn run_functional() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_main`
[INFO] [stderr]   --> src/thread_test.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn run_main() {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_threads`
[INFO] [stderr]   --> src/thread_test.rs:81:4
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn run_threads() {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bubble_sort`
[INFO] [stderr]    --> src/thread_test.rs:159:4
[INFO] [stderr]     |
[INFO] [stderr] 159 | fn bubble_sort(a: &mut [u32; SIZE]) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `trace_with_sdl`
[INFO] [stderr]   --> src/main.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn trace_with_sdl(width: u32, height: u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.76s
[INFO] running `"docker" "inspect" "e87bab2e9078e055b5b5d097b76ef269eb138ef435c36ca21482fe48f6389b0d"`
[INFO] running `"docker" "rm" "-f" "e87bab2e9078e055b5b5d097b76ef269eb138ef435c36ca21482fe48f6389b0d"`
[INFO] [stdout] e87bab2e9078e055b5b5d097b76ef269eb138ef435c36ca21482fe48f6389b0d