Dec 04 16:48:32.607 INFO checking jbyte/chip8 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:48:32.607 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 16:48:32.964 INFO [stdout] 22a68cf56d0b7c285a7896d9b8db534daf2f3d53c3d050521c9b6f9e177bf089
Dec 04 16:48:32.966 INFO running `"docker" "start" "-a" "22a68cf56d0b7c285a7896d9b8db534daf2f3d53c3d050521c9b6f9e177bf089"`
Dec 04 16:48:34.555 INFO [stderr] usermod: no changes
Dec 04 16:48:34.651 INFO [stderr]     Checking nom v2.2.0
Dec 04 16:48:36.579 INFO [stderr]     Checking chip8 v0.1.0 (/source)
Dec 04 16:48:37.071 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 04 16:48:37.084 INFO [stderr]  --> src/debugger/mod.rs:5:5
Dec 04 16:48:37.084 INFO [stderr]   |
Dec 04 16:48:37.084 INFO [stderr] 5 | use std::borrow::Cow;
Dec 04 16:48:37.084 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:48:37.084 INFO [stderr]   |
Dec 04 16:48:37.084 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:48:37.084 INFO [stderr] 
Dec 04 16:48:37.084 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 04 16:48:37.084 INFO [stderr]  --> src/debugger/mod.rs:5:5
Dec 04 16:48:37.084 INFO [stderr]   |
Dec 04 16:48:37.084 INFO [stderr] 5 | use std::borrow::Cow;
Dec 04 16:48:37.084 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:48:37.084 INFO [stderr]   |
Dec 04 16:48:37.084 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:48:37.084 INFO [stderr] 
Dec 04 16:48:37.355 INFO [stderr] warning: constant item is never used: `INTERPRETER_START`
Dec 04 16:48:37.355 INFO [stderr]  --> src/cpu/cpu.rs:5:1
Dec 04 16:48:37.355 INFO [stderr]   |
Dec 04 16:48:37.355 INFO [stderr] 5 | const INTERPRETER_START: u32 = 0x000;
Dec 04 16:48:37.355 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.355 INFO [stderr]   |
Dec 04 16:48:37.355 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:48:37.355 INFO [stderr] 
Dec 04 16:48:37.355 INFO [stderr] warning: constant item is never used: `INTERPRETER_END`
Dec 04 16:48:37.355 INFO [stderr]  --> src/cpu/cpu.rs:6:1
Dec 04 16:48:37.355 INFO [stderr]   |
Dec 04 16:48:37.355 INFO [stderr] 6 | const INTERPRETER_END: u32 = 0x1FF;
Dec 04 16:48:37.355 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.355 INFO [stderr] 
Dec 04 16:48:37.355 INFO [stderr] warning: constant item is never used: `INTERPRETER_LENGTH`
Dec 04 16:48:37.355 INFO [stderr]  --> src/cpu/cpu.rs:7:1
Dec 04 16:48:37.355 INFO [stderr]   |
Dec 04 16:48:37.355 INFO [stderr] 7 | const INTERPRETER_LENGTH: u32 = INTERPRETER_END - INTERPRETER_START;
Dec 04 16:48:37.355 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.355 INFO [stderr] 
Dec 04 16:48:37.355 INFO [stderr] warning: constant item is never used: `DATA_END`
Dec 04 16:48:37.355 INFO [stderr]   --> src/cpu/cpu.rs:14:1
Dec 04 16:48:37.355 INFO [stderr]    |
Dec 04 16:48:37.355 INFO [stderr] 14 | const DATA_END: usize = 0xFFF;
Dec 04 16:48:37.355 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.355 INFO [stderr] 
Dec 04 16:48:37.355 INFO [stderr] warning: constant item is never used: `DATA_LENGTH`
Dec 04 16:48:37.355 INFO [stderr]   --> src/cpu/cpu.rs:15:1
Dec 04 16:48:37.355 INFO [stderr]    |
Dec 04 16:48:37.355 INFO [stderr] 15 | const DATA_LENGTH: usize = DATA_END - DATA_START;
Dec 04 16:48:37.355 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.355 INFO [stderr] 
Dec 04 16:48:37.355 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:48:37.355 INFO [stderr]    --> src/cpu/cpu.rs:102:9
Dec 04 16:48:37.355 INFO [stderr]     |
Dec 04 16:48:37.355 INFO [stderr] 102 |         stdin().read(&mut c);
Dec 04 16:48:37.355 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.355 INFO [stderr]     |
Dec 04 16:48:37.355 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 16:48:37.355 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:48:37.355 INFO [stderr] 
Dec 04 16:48:37.403 INFO [stderr] warning: constant item is never used: `INTERPRETER_START`
Dec 04 16:48:37.403 INFO [stderr]  --> src/cpu/cpu.rs:5:1
Dec 04 16:48:37.403 INFO [stderr]   |
Dec 04 16:48:37.403 INFO [stderr] 5 | const INTERPRETER_START: u32 = 0x000;
Dec 04 16:48:37.403 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.403 INFO [stderr]   |
Dec 04 16:48:37.403 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:48:37.403 INFO [stderr] 
Dec 04 16:48:37.403 INFO [stderr] warning: constant item is never used: `INTERPRETER_END`
Dec 04 16:48:37.403 INFO [stderr]  --> src/cpu/cpu.rs:6:1
Dec 04 16:48:37.403 INFO [stderr]   |
Dec 04 16:48:37.403 INFO [stderr] 6 | const INTERPRETER_END: u32 = 0x1FF;
Dec 04 16:48:37.403 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.403 INFO [stderr] 
Dec 04 16:48:37.403 INFO [stderr] warning: constant item is never used: `INTERPRETER_LENGTH`
Dec 04 16:48:37.403 INFO [stderr]  --> src/cpu/cpu.rs:7:1
Dec 04 16:48:37.403 INFO [stderr]   |
Dec 04 16:48:37.403 INFO [stderr] 7 | const INTERPRETER_LENGTH: u32 = INTERPRETER_END - INTERPRETER_START;
Dec 04 16:48:37.403 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.403 INFO [stderr] 
Dec 04 16:48:37.403 INFO [stderr] warning: constant item is never used: `DATA_END`
Dec 04 16:48:37.403 INFO [stderr]   --> src/cpu/cpu.rs:14:1
Dec 04 16:48:37.403 INFO [stderr]    |
Dec 04 16:48:37.403 INFO [stderr] 14 | const DATA_END: usize = 0xFFF;
Dec 04 16:48:37.403 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.403 INFO [stderr] 
Dec 04 16:48:37.403 INFO [stderr] warning: constant item is never used: `DATA_LENGTH`
Dec 04 16:48:37.403 INFO [stderr]   --> src/cpu/cpu.rs:15:1
Dec 04 16:48:37.403 INFO [stderr]    |
Dec 04 16:48:37.403 INFO [stderr] 15 | const DATA_LENGTH: usize = DATA_END - DATA_START;
Dec 04 16:48:37.403 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.403 INFO [stderr] 
Dec 04 16:48:37.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:48:37.403 INFO [stderr]    --> src/cpu/cpu.rs:102:9
Dec 04 16:48:37.403 INFO [stderr]     |
Dec 04 16:48:37.403 INFO [stderr] 102 |         stdin().read(&mut c);
Dec 04 16:48:37.403 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:37.403 INFO [stderr]     |
Dec 04 16:48:37.403 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 16:48:37.403 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:48:37.403 INFO [stderr] 
Dec 04 16:48:37.433 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
Dec 04 16:48:37.436 INFO [stderr] su: No module specific data is present
Dec 04 16:48:38.092 INFO running `"docker" "inspect" "22a68cf56d0b7c285a7896d9b8db534daf2f3d53c3d050521c9b6f9e177bf089"`
Dec 04 16:48:38.352 INFO running `"docker" "rm" "-f" "22a68cf56d0b7c285a7896d9b8db534daf2f3d53c3d050521c9b6f9e177bf089"`
Dec 04 16:48:38.727 INFO [stdout] 22a68cf56d0b7c285a7896d9b8db534daf2f3d53c3d050521c9b6f9e177bf089