[INFO] updating cached repository https://github.com/2bdkid/chip8-emulator
[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] d581b520575029c8636995f66f8304940505ff55
[INFO] checking 2bdkid/chip8-emulator against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2bdkid%2Fchip8-emulator" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2bdkid/chip8-emulator on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/2bdkid/chip8-emulator
[INFO] finished tweaking git repo https://github.com/2bdkid/chip8-emulator
[INFO] tweaked toml for git repo https://github.com/2bdkid/chip8-emulator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/2bdkid/chip8-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 7c1f9d67ea4fcf8bcad38f03064ae8c1bc7c6e8c8ccb5c415c44aeaf03f12b17
[INFO] running `"docker" "start" "-a" "7c1f9d67ea4fcf8bcad38f03064ae8c1bc7c6e8c8ccb5c415c44aeaf03f12b17"`
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]     Checking chip8_virtual_machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ncurses`
[INFO] [stderr]  --> src/system.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ncurses;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ncurses`
[INFO] [stderr]  --> src/system.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ncurses;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/display.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn draw() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `poll`
[INFO] [stderr]    --> src/keyboard.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn poll(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/display.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn draw() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `poll`
[INFO] [stderr]    --> src/keyboard.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn poll(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `"docker" "inspect" "7c1f9d67ea4fcf8bcad38f03064ae8c1bc7c6e8c8ccb5c415c44aeaf03f12b17"`
[INFO] running `"docker" "rm" "-f" "7c1f9d67ea4fcf8bcad38f03064ae8c1bc7c6e8c8ccb5c415c44aeaf03f12b17"`
[INFO] [stdout] 7c1f9d67ea4fcf8bcad38f03064ae8c1bc7c6e8c8ccb5c415c44aeaf03f12b17