[INFO] cloning repository https://github.com/JordanLevin/Rust-emulator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JordanLevin/Rust-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanLevin%2FRust-emulator"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanLevin%2FRust-emulator'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa02af4a011cc54a1eac4b98c935baa746e7c0c5
[INFO] checking JordanLevin/Rust-emulator against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanLevin%2FRust-emulator" "/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/JordanLevin/Rust-emulator on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JordanLevin/Rust-emulator
[INFO] finished tweaking git repo https://github.com/JordanLevin/Rust-emulator
[INFO] tweaked toml for git repo https://github.com/JordanLevin/Rust-emulator written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/JordanLevin/Rust-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 193d385f345d7084e4c0da5ea2fee48b92fcf773a4bcbc9c6006be664be39542
[INFO] running `"docker" "start" "-a" "193d385f345d7084e4c0da5ea2fee48b92fcf773a4bcbc9c6006be664be39542"`
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `keypress` is never read
[INFO] [stderr]    --> src/instruct.rs:280:19
[INFO] [stderr]     |
[INFO] [stderr] 280 |             _ => {keypress = false; break;},
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `keypress` is never read
[INFO] [stderr]    --> src/instruct.rs:280:19
[INFO] [stderr]     |
[INFO] [stderr] 280 |             _ => {keypress = false; break;},
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `opcode_to_str`
[INFO] [stderr]  --> src/disas.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn opcode_to_str(opcode: &Vec<u8>) -> String{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     disassemble(&args[1], &mut canvas, &context);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/graphics.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 canvas.fill_rect(r);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `opcode_to_str`
[INFO] [stderr]  --> src/disas.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn opcode_to_str(opcode: &Vec<u8>) -> String{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     disassemble(&args[1], &mut canvas, &context);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/graphics.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 canvas.fill_rect(r);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.98s
[INFO] running `"docker" "inspect" "193d385f345d7084e4c0da5ea2fee48b92fcf773a4bcbc9c6006be664be39542"`
[INFO] running `"docker" "rm" "-f" "193d385f345d7084e4c0da5ea2fee48b92fcf773a4bcbc9c6006be664be39542"`
[INFO] [stdout] 193d385f345d7084e4c0da5ea2fee48b92fcf773a4bcbc9c6006be664be39542