Dec 04 16:48:31.553 INFO checking jbyte/chip8 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:48:31.553 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 16:48:31.947 INFO [stdout] 798e6c80e432e0cd2ffdc11327c94ffab28aba9a2d2626157274b04fa4f75025
Dec 04 16:48:31.959 INFO running `"docker" "start" "-a" "798e6c80e432e0cd2ffdc11327c94ffab28aba9a2d2626157274b04fa4f75025"`
Dec 04 16:48:33.088 INFO [stderr] usermod: no changes
Dec 04 16:48:33.173 INFO [stderr]     Checking nom v2.2.0
Dec 04 16:48:35.451 INFO [stderr]     Checking chip8 v0.1.0 (/source)
Dec 04 16:48:35.903 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 04 16:48:35.903 INFO [stderr]  --> src/debugger/mod.rs:5:5
Dec 04 16:48:35.903 INFO [stderr]   |
Dec 04 16:48:35.903 INFO [stderr] 5 | use std::borrow::Cow;
Dec 04 16:48:35.903 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:48:35.903 INFO [stderr]   |
Dec 04 16:48:35.903 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:48:35.903 INFO [stderr] 
Dec 04 16:48:36.062 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 04 16:48:36.062 INFO [stderr]  --> src/debugger/mod.rs:5:5
Dec 04 16:48:36.063 INFO [stderr]   |
Dec 04 16:48:36.063 INFO [stderr] 5 | use std::borrow::Cow;
Dec 04 16:48:36.063 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:48:36.064 INFO [stderr]   |
Dec 04 16:48:36.064 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:48:36.064 INFO [stderr] 
Dec 04 16:48:36.234 INFO [stderr] warning: constant item is never used: `INTERPRETER_START`
Dec 04 16:48:36.234 INFO [stderr]  --> src/cpu/cpu.rs:5:1
Dec 04 16:48:36.234 INFO [stderr]   |
Dec 04 16:48:36.234 INFO [stderr] 5 | const INTERPRETER_START: u32 = 0x000;
Dec 04 16:48:36.234 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.234 INFO [stderr]   |
Dec 04 16:48:36.234 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:48:36.234 INFO [stderr] 
Dec 04 16:48:36.235 INFO [stderr] warning: constant item is never used: `INTERPRETER_END`
Dec 04 16:48:36.235 INFO [stderr]  --> src/cpu/cpu.rs:6:1
Dec 04 16:48:36.235 INFO [stderr]   |
Dec 04 16:48:36.235 INFO [stderr] 6 | const INTERPRETER_END: u32 = 0x1FF;
Dec 04 16:48:36.235 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.235 INFO [stderr] 
Dec 04 16:48:36.236 INFO [stderr] warning: constant item is never used: `INTERPRETER_LENGTH`
Dec 04 16:48:36.236 INFO [stderr]  --> src/cpu/cpu.rs:7:1
Dec 04 16:48:36.236 INFO [stderr]   |
Dec 04 16:48:36.236 INFO [stderr] 7 | const INTERPRETER_LENGTH: u32 = INTERPRETER_END - INTERPRETER_START;
Dec 04 16:48:36.236 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.236 INFO [stderr] 
Dec 04 16:48:36.237 INFO [stderr] warning: constant item is never used: `DATA_END`
Dec 04 16:48:36.237 INFO [stderr]   --> src/cpu/cpu.rs:14:1
Dec 04 16:48:36.237 INFO [stderr]    |
Dec 04 16:48:36.237 INFO [stderr] 14 | const DATA_END: usize = 0xFFF;
Dec 04 16:48:36.237 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.237 INFO [stderr] 
Dec 04 16:48:36.237 INFO [stderr] warning: constant item is never used: `DATA_LENGTH`
Dec 04 16:48:36.237 INFO [stderr]   --> src/cpu/cpu.rs:15:1
Dec 04 16:48:36.237 INFO [stderr]    |
Dec 04 16:48:36.237 INFO [stderr] 15 | const DATA_LENGTH: usize = DATA_END - DATA_START;
Dec 04 16:48:36.237 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.237 INFO [stderr] 
Dec 04 16:48:36.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:48:36.240 INFO [stderr]    --> src/cpu/cpu.rs:102:9
Dec 04 16:48:36.240 INFO [stderr]     |
Dec 04 16:48:36.240 INFO [stderr] 102 |         stdin().read(&mut c);
Dec 04 16:48:36.240 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.241 INFO [stderr]     |
Dec 04 16:48:36.241 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 16:48:36.241 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:48:36.241 INFO [stderr] 
Dec 04 16:48:36.529 INFO [stderr] warning: constant item is never used: `INTERPRETER_START`
Dec 04 16:48:36.529 INFO [stderr]  --> src/cpu/cpu.rs:5:1
Dec 04 16:48:36.529 INFO [stderr]   |
Dec 04 16:48:36.529 INFO [stderr] 5 | const INTERPRETER_START: u32 = 0x000;
Dec 04 16:48:36.529 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.529 INFO [stderr]   |
Dec 04 16:48:36.529 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:48:36.529 INFO [stderr] 
Dec 04 16:48:36.529 INFO [stderr] warning: constant item is never used: `INTERPRETER_END`
Dec 04 16:48:36.529 INFO [stderr]  --> src/cpu/cpu.rs:6:1
Dec 04 16:48:36.529 INFO [stderr]   |
Dec 04 16:48:36.529 INFO [stderr] 6 | const INTERPRETER_END: u32 = 0x1FF;
Dec 04 16:48:36.529 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.529 INFO [stderr] 
Dec 04 16:48:36.529 INFO [stderr] warning: constant item is never used: `INTERPRETER_LENGTH`
Dec 04 16:48:36.529 INFO [stderr]  --> src/cpu/cpu.rs:7:1
Dec 04 16:48:36.529 INFO [stderr]   |
Dec 04 16:48:36.529 INFO [stderr] 7 | const INTERPRETER_LENGTH: u32 = INTERPRETER_END - INTERPRETER_START;
Dec 04 16:48:36.529 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.529 INFO [stderr] 
Dec 04 16:48:36.540 INFO [stderr] warning: constant item is never used: `DATA_END`
Dec 04 16:48:36.540 INFO [stderr]   --> src/cpu/cpu.rs:14:1
Dec 04 16:48:36.540 INFO [stderr]    |
Dec 04 16:48:36.540 INFO [stderr] 14 | const DATA_END: usize = 0xFFF;
Dec 04 16:48:36.540 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.540 INFO [stderr] 
Dec 04 16:48:36.540 INFO [stderr] warning: constant item is never used: `DATA_LENGTH`
Dec 04 16:48:36.540 INFO [stderr]   --> src/cpu/cpu.rs:15:1
Dec 04 16:48:36.540 INFO [stderr]    |
Dec 04 16:48:36.540 INFO [stderr] 15 | const DATA_LENGTH: usize = DATA_END - DATA_START;
Dec 04 16:48:36.540 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.540 INFO [stderr] 
Dec 04 16:48:36.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:48:36.540 INFO [stderr]    --> src/cpu/cpu.rs:102:9
Dec 04 16:48:36.540 INFO [stderr]     |
Dec 04 16:48:36.540 INFO [stderr] 102 |         stdin().read(&mut c);
Dec 04 16:48:36.540 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:48:36.540 INFO [stderr]     |
Dec 04 16:48:36.540 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 16:48:36.540 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:48:36.540 INFO [stderr] 
Dec 04 16:48:36.583 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
Dec 04 16:48:36.590 INFO [stderr] su: No module specific data is present
Dec 04 16:48:37.095 INFO running `"docker" "inspect" "798e6c80e432e0cd2ffdc11327c94ffab28aba9a2d2626157274b04fa4f75025"`
Dec 04 16:48:37.469 INFO running `"docker" "rm" "-f" "798e6c80e432e0cd2ffdc11327c94ffab28aba9a2d2626157274b04fa4f75025"`
Dec 04 16:48:37.699 INFO [stdout] 798e6c80e432e0cd2ffdc11327c94ffab28aba9a2d2626157274b04fa4f75025