[INFO] cloning repository https://github.com/jarrett-m/FerrisBoy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jarrett-m/FerrisBoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarrett-m%2FFerrisBoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarrett-m%2FFerrisBoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ddd86678b48673dd7ae457ce3386568fa962a86
[INFO] checking jarrett-m/FerrisBoy against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarrett-m%2FFerrisBoy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jarrett-m/FerrisBoy on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jarrett-m/FerrisBoy
[INFO] finished tweaking git repo https://github.com/jarrett-m/FerrisBoy
[INFO] tweaked toml for git repo https://github.com/jarrett-m/FerrisBoy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jarrett-m/FerrisBoy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2726f5f64108d81c250f551a130f9e9b8c3b09fde333b7f0bf5f5774dc921cce
[INFO] running `Command { std: "docker" "start" "-a" "2726f5f64108d81c250f551a130f9e9b8c3b09fde333b7f0bf5f5774dc921cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2726f5f64108d81c250f551a130f9e9b8c3b09fde333b7f0bf5f5774dc921cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2726f5f64108d81c250f551a130f9e9b8c3b09fde333b7f0bf5f5774dc921cce", kill_on_drop: false }`
[INFO] [stdout] 2726f5f64108d81c250f551a130f9e9b8c3b09fde333b7f0bf5f5774dc921cce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b0a8934fad58706cc5dd0bb5644e048bd5c6e362de85113a44470957f8d4ad4
[INFO] running `Command { std: "docker" "start" "-a" "7b0a8934fad58706cc5dd0bb5644e048bd5c6e362de85113a44470957f8d4ad4", kill_on_drop: false }`
[INFO] [stderr]     Checking FerrisBoy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `entry`, `logo`, `sgb_flag`, `rom_size`, `dest_code`, and `gbl_checksum` are never read
[INFO] [stdout]    --> src/emu/cart.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 302 | struct RomHeader {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 303 |     entry: [u8; 4],
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 304 |     logo: [u8; 0x30],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |     sgb_flag: u8,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 308 |     cart_type: u8,
[INFO] [stdout] 309 |     rom_size: u8,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 310 |     ram_size: u8,
[INFO] [stdout] 311 |     dest_code: u8,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 315 |     gbl_checksum: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RomHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entry`, `logo`, `sgb_flag`, `rom_size`, `dest_code`, and `gbl_checksum` are never read
[INFO] [stdout]    --> src/emu/cart.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 302 | struct RomHeader {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 303 |     entry: [u8; 4],
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 304 |     logo: [u8; 0x30],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |     sgb_flag: u8,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 308 |     cart_type: u8,
[INFO] [stdout] 309 |     rom_size: u8,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 310 |     ram_size: u8,
[INFO] [stdout] 311 |     dest_code: u8,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 315 |     gbl_checksum: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RomHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     my_emulator.run(String::from("/home/jarrett/Documents/why/mm.gb"));
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = my_emulator.run(String::from("/home/jarrett/Documents/why/mm.gb"));
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     my_emulator.run(String::from("/home/jarrett/Documents/why/mm.gb"));
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = my_emulator.run(String::from("/home/jarrett/Documents/why/mm.gb"));
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "7b0a8934fad58706cc5dd0bb5644e048bd5c6e362de85113a44470957f8d4ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0a8934fad58706cc5dd0bb5644e048bd5c6e362de85113a44470957f8d4ad4", kill_on_drop: false }`
[INFO] [stdout] 7b0a8934fad58706cc5dd0bb5644e048bd5c6e362de85113a44470957f8d4ad4