Dec 11 16:33:14.337 INFO checking jbyte/chip8 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:33:14.338 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 16:33:14.693 INFO [stdout] 8b168a44a486db65c9af5c3de15e88ca9458049efd42903af023217ad89ba24b
Dec 11 16:33:14.698 INFO running `"docker" "start" "-a" "8b168a44a486db65c9af5c3de15e88ca9458049efd42903af023217ad89ba24b"`
Dec 11 16:33:15.991 INFO [stderr] usermod: no changes
Dec 11 16:33:16.104 INFO [stderr]     Checking nom v2.2.0
Dec 11 16:33:18.169 INFO [stderr]     Checking chip8 v0.1.0 (/source)
Dec 11 16:33:18.828 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 11 16:33:18.828 INFO [stderr]  --> src/debugger/mod.rs:5:5
Dec 11 16:33:18.828 INFO [stderr]   |
Dec 11 16:33:18.828 INFO [stderr] 5 | use std::borrow::Cow;
Dec 11 16:33:18.828 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 11 16:33:18.828 INFO [stderr]   |
Dec 11 16:33:18.828 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 16:33:18.828 INFO [stderr] 
Dec 11 16:33:18.896 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 11 16:33:18.896 INFO [stderr]  --> src/debugger/mod.rs:5:5
Dec 11 16:33:18.896 INFO [stderr]   |
Dec 11 16:33:18.896 INFO [stderr] 5 | use std::borrow::Cow;
Dec 11 16:33:18.896 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 11 16:33:18.896 INFO [stderr]   |
Dec 11 16:33:18.896 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 16:33:18.896 INFO [stderr] 
Dec 11 16:33:19.230 INFO [stderr] warning: constant item is never used: `INTERPRETER_START`
Dec 11 16:33:19.230 INFO [stderr]  --> src/cpu/cpu.rs:5:1
Dec 11 16:33:19.230 INFO [stderr]   |
Dec 11 16:33:19.230 INFO [stderr] 5 | const INTERPRETER_START: u32 = 0x000;
Dec 11 16:33:19.230 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.230 INFO [stderr]   |
Dec 11 16:33:19.230 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:33:19.230 INFO [stderr] 
Dec 11 16:33:19.230 INFO [stderr] warning: constant item is never used: `INTERPRETER_END`
Dec 11 16:33:19.230 INFO [stderr]  --> src/cpu/cpu.rs:6:1
Dec 11 16:33:19.230 INFO [stderr]   |
Dec 11 16:33:19.230 INFO [stderr] 6 | const INTERPRETER_END: u32 = 0x1FF;
Dec 11 16:33:19.230 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.230 INFO [stderr] 
Dec 11 16:33:19.230 INFO [stderr] warning: constant item is never used: `INTERPRETER_LENGTH`
Dec 11 16:33:19.230 INFO [stderr]  --> src/cpu/cpu.rs:7:1
Dec 11 16:33:19.230 INFO [stderr]   |
Dec 11 16:33:19.230 INFO [stderr] 7 | const INTERPRETER_LENGTH: u32 = INTERPRETER_END - INTERPRETER_START;
Dec 11 16:33:19.230 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.230 INFO [stderr] 
Dec 11 16:33:19.230 INFO [stderr] warning: constant item is never used: `DATA_END`
Dec 11 16:33:19.230 INFO [stderr]   --> src/cpu/cpu.rs:14:1
Dec 11 16:33:19.230 INFO [stderr]    |
Dec 11 16:33:19.230 INFO [stderr] 14 | const DATA_END: usize = 0xFFF;
Dec 11 16:33:19.230 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.230 INFO [stderr] 
Dec 11 16:33:19.230 INFO [stderr] warning: constant item is never used: `DATA_LENGTH`
Dec 11 16:33:19.231 INFO [stderr]   --> src/cpu/cpu.rs:15:1
Dec 11 16:33:19.231 INFO [stderr]    |
Dec 11 16:33:19.231 INFO [stderr] 15 | const DATA_LENGTH: usize = DATA_END - DATA_START;
Dec 11 16:33:19.231 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.231 INFO [stderr] 
Dec 11 16:33:19.232 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:33:19.232 INFO [stderr]    --> src/cpu/cpu.rs:102:9
Dec 11 16:33:19.232 INFO [stderr]     |
Dec 11 16:33:19.232 INFO [stderr] 102 |         stdin().read(&mut c);
Dec 11 16:33:19.232 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.232 INFO [stderr]     |
Dec 11 16:33:19.232 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 16:33:19.232 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:33:19.232 INFO [stderr] 
Dec 11 16:33:19.474 INFO [stderr] warning: constant item is never used: `INTERPRETER_START`
Dec 11 16:33:19.474 INFO [stderr]  --> src/cpu/cpu.rs:5:1
Dec 11 16:33:19.474 INFO [stderr]   |
Dec 11 16:33:19.474 INFO [stderr] 5 | const INTERPRETER_START: u32 = 0x000;
Dec 11 16:33:19.474 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.474 INFO [stderr]   |
Dec 11 16:33:19.475 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:33:19.475 INFO [stderr] 
Dec 11 16:33:19.475 INFO [stderr] warning: constant item is never used: `INTERPRETER_END`
Dec 11 16:33:19.475 INFO [stderr]  --> src/cpu/cpu.rs:6:1
Dec 11 16:33:19.475 INFO [stderr]   |
Dec 11 16:33:19.475 INFO [stderr] 6 | const INTERPRETER_END: u32 = 0x1FF;
Dec 11 16:33:19.475 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.475 INFO [stderr] 
Dec 11 16:33:19.475 INFO [stderr] warning: constant item is never used: `INTERPRETER_LENGTH`
Dec 11 16:33:19.475 INFO [stderr]  --> src/cpu/cpu.rs:7:1
Dec 11 16:33:19.475 INFO [stderr]   |
Dec 11 16:33:19.475 INFO [stderr] 7 | const INTERPRETER_LENGTH: u32 = INTERPRETER_END - INTERPRETER_START;
Dec 11 16:33:19.475 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.475 INFO [stderr] 
Dec 11 16:33:19.475 INFO [stderr] warning: constant item is never used: `DATA_END`
Dec 11 16:33:19.475 INFO [stderr]   --> src/cpu/cpu.rs:14:1
Dec 11 16:33:19.475 INFO [stderr]    |
Dec 11 16:33:19.475 INFO [stderr] 14 | const DATA_END: usize = 0xFFF;
Dec 11 16:33:19.475 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.475 INFO [stderr] 
Dec 11 16:33:19.475 INFO [stderr] warning: constant item is never used: `DATA_LENGTH`
Dec 11 16:33:19.475 INFO [stderr]   --> src/cpu/cpu.rs:15:1
Dec 11 16:33:19.475 INFO [stderr]    |
Dec 11 16:33:19.475 INFO [stderr] 15 | const DATA_LENGTH: usize = DATA_END - DATA_START;
Dec 11 16:33:19.475 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.475 INFO [stderr] 
Dec 11 16:33:19.480 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 16:33:19.480 INFO [stderr]    --> src/cpu/cpu.rs:102:9
Dec 11 16:33:19.480 INFO [stderr]     |
Dec 11 16:33:19.480 INFO [stderr] 102 |         stdin().read(&mut c);
Dec 11 16:33:19.480 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:19.480 INFO [stderr]     |
Dec 11 16:33:19.480 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 16:33:19.480 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 16:33:19.480 INFO [stderr] 
Dec 11 16:33:19.536 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
Dec 11 16:33:19.540 INFO [stderr] su: No module specific data is present
Dec 11 16:33:20.688 INFO running `"docker" "inspect" "8b168a44a486db65c9af5c3de15e88ca9458049efd42903af023217ad89ba24b"`
Dec 11 16:33:21.029 INFO running `"docker" "rm" "-f" "8b168a44a486db65c9af5c3de15e88ca9458049efd42903af023217ad89ba24b"`
Dec 11 16:33:21.300 INFO [stdout] 8b168a44a486db65c9af5c3de15e88ca9458049efd42903af023217ad89ba24b