Dec 04 21:55:57.657 INFO checking benjaminhadfield/mmu against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:55:57.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 21:55:57.985 INFO [stdout] 2cb6428a5444c0add445d22ea821c49541fcade126c3bbafde8d361885fdddf1
Dec 04 21:55:57.987 INFO running `"docker" "start" "-a" "2cb6428a5444c0add445d22ea821c49541fcade126c3bbafde8d361885fdddf1"`
Dec 04 21:55:59.215 INFO [stderr] usermod: no changes
Dec 04 21:55:59.295 INFO [stderr]     Checking mmu v0.1.0 (/source)
Dec 04 21:55:59.655 INFO [stderr] warning: field is never used: `e`
Dec 04 21:55:59.655 INFO [stderr]   --> src/hardware.rs:39:5
Dec 04 21:55:59.655 INFO [stderr]    |
Dec 04 21:55:59.655 INFO [stderr] 39 |     e: u8,
Dec 04 21:55:59.655 INFO [stderr]    |     ^^^^^
Dec 04 21:55:59.655 INFO [stderr]    |
Dec 04 21:55:59.655 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:55:59.655 INFO [stderr] 
Dec 04 21:55:59.655 INFO [stderr] warning: field is never used: `s`
Dec 04 21:55:59.655 INFO [stderr]   --> src/hardware.rs:41:5
Dec 04 21:55:59.655 INFO [stderr]    |
Dec 04 21:55:59.655 INFO [stderr] 41 |     s: u8,
Dec 04 21:55:59.655 INFO [stderr]    |     ^^^^^
Dec 04 21:55:59.655 INFO [stderr] 
Dec 04 21:56:00.143 INFO [stderr] warning: field is never used: `e`
Dec 04 21:56:00.143 INFO [stderr]   --> src/hardware.rs:39:5
Dec 04 21:56:00.143 INFO [stderr]    |
Dec 04 21:56:00.143 INFO [stderr] 39 |     e: u8,
Dec 04 21:56:00.143 INFO [stderr]    |     ^^^^^
Dec 04 21:56:00.143 INFO [stderr]    |
Dec 04 21:56:00.143 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:56:00.143 INFO [stderr] 
Dec 04 21:56:00.143 INFO [stderr] warning: field is never used: `s`
Dec 04 21:56:00.143 INFO [stderr]   --> src/hardware.rs:41:5
Dec 04 21:56:00.143 INFO [stderr]    |
Dec 04 21:56:00.143 INFO [stderr] 41 |     s: u8,
Dec 04 21:56:00.143 INFO [stderr]    |     ^^^^^
Dec 04 21:56:00.143 INFO [stderr] 
Dec 04 21:56:00.222 INFO [stderr] warning: unused variable: `tlb`
Dec 04 21:56:00.222 INFO [stderr]  --> src/main.rs:9:9
Dec 04 21:56:00.222 INFO [stderr]   |
Dec 04 21:56:00.222 INFO [stderr] 9 |     let tlb = hardware::TLB::new(4, 4);
Dec 04 21:56:00.222 INFO [stderr]   |         ^^^ help: consider using `_tlb` instead
Dec 04 21:56:00.222 INFO [stderr]   |
Dec 04 21:56:00.222 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 21:56:00.222 INFO [stderr] 
Dec 04 21:56:00.248 INFO [stderr] warning: unused variable: `tlb`
Dec 04 21:56:00.248 INFO [stderr]  --> src/main.rs:9:9
Dec 04 21:56:00.248 INFO [stderr]   |
Dec 04 21:56:00.248 INFO [stderr] 9 |     let tlb = hardware::TLB::new(4, 4);
Dec 04 21:56:00.248 INFO [stderr]   |         ^^^ help: consider using `_tlb` instead
Dec 04 21:56:00.248 INFO [stderr]   |
Dec 04 21:56:00.248 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 21:56:00.248 INFO [stderr] 
Dec 04 21:56:00.263 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 04 21:56:00.266 INFO [stderr] su: No module specific data is present
Dec 04 21:56:00.930 INFO running `"docker" "inspect" "2cb6428a5444c0add445d22ea821c49541fcade126c3bbafde8d361885fdddf1"`
Dec 04 21:56:01.163 INFO running `"docker" "rm" "-f" "2cb6428a5444c0add445d22ea821c49541fcade126c3bbafde8d361885fdddf1"`
Dec 04 21:56:01.343 INFO [stdout] 2cb6428a5444c0add445d22ea821c49541fcade126c3bbafde8d361885fdddf1