[INFO] updating cached repository https://github.com/johannst/chip-remu
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 42d1810180daa08be84a138dfab290efe9fb8724
[INFO] checking johannst/chip-remu against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannst%2Fchip-remu" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johannst/chip-remu on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johannst/chip-remu
[INFO] finished tweaking git repo https://github.com/johannst/chip-remu
[INFO] tweaked toml for git repo https://github.com/johannst/chip-remu written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/johannst/chip-remu already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] fde7cb11a52b62b794e8f97d8ce65a98554caab679ef90c8e8aee354402acacf
[INFO] running `"docker" "start" "-a" "fde7cb11a52b62b794e8f97d8ce65a98554caab679ef90c8e8aee354402acacf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking pixel_engine v0.1.0 (https://github.com/johannst/pixel_engine#58ad20d4)
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chip8-remu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `dump`
[INFO] [stderr]    --> src/cpu.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 |     pub fn dump(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/gpu.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn read(&mut self, buf: &mut [T]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dump_range`
[INFO] [stderr]   --> src/memory.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn dump_range(&self, addr: usize, size: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dump`
[INFO] [stderr]   --> src/memory.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn dump(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dump`
[INFO] [stderr]    --> src/cpu.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 |     pub fn dump(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dump_range`
[INFO] [stderr]   --> src/memory.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn dump_range(&self, addr: usize, size: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dump`
[INFO] [stderr]   --> src/memory.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn dump(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.27s
[INFO] running `"docker" "inspect" "fde7cb11a52b62b794e8f97d8ce65a98554caab679ef90c8e8aee354402acacf"`
[INFO] running `"docker" "rm" "-f" "fde7cb11a52b62b794e8f97d8ce65a98554caab679ef90c8e8aee354402acacf"`
[INFO] [stdout] fde7cb11a52b62b794e8f97d8ce65a98554caab679ef90c8e8aee354402acacf