Dec 18 03:25:13.143 INFO checking benjaminhadfield/mmu against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:25:13.144 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/benjaminhadfield/mmu:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:25:13.508 INFO [stdout] 4ed022d4e547621a46eab604dfad7444509498e000d84a97f8edb7ccaa2154d6
Dec 18 03:25:13.510 INFO running `"docker" "start" "-a" "4ed022d4e547621a46eab604dfad7444509498e000d84a97f8edb7ccaa2154d6"`
Dec 18 03:25:16.169 INFO [stderr]     Checking mmu v0.1.0 (/opt/crater/workdir)
Dec 18 03:25:16.615 INFO [stderr] warning: field is never used: `e`
Dec 18 03:25:16.615 INFO [stderr]   --> src/hardware.rs:39:5
Dec 18 03:25:16.615 INFO [stderr]    |
Dec 18 03:25:16.616 INFO [stderr] 39 |     e: u8,
Dec 18 03:25:16.616 INFO [stderr]    |     ^^^^^
Dec 18 03:25:16.616 INFO [stderr]    |
Dec 18 03:25:16.616 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:25:16.617 INFO [stderr] 
Dec 18 03:25:16.617 INFO [stderr] warning: field is never used: `s`
Dec 18 03:25:16.617 INFO [stderr]   --> src/hardware.rs:41:5
Dec 18 03:25:16.617 INFO [stderr]    |
Dec 18 03:25:16.617 INFO [stderr] 41 |     s: u8,
Dec 18 03:25:16.618 INFO [stderr]    |     ^^^^^
Dec 18 03:25:16.618 INFO [stderr] 
Dec 18 03:25:16.797 INFO [stderr] warning: field is never used: `e`
Dec 18 03:25:16.797 INFO [stderr]   --> src/hardware.rs:39:5
Dec 18 03:25:16.797 INFO [stderr]    |
Dec 18 03:25:16.797 INFO [stderr] 39 |     e: u8,
Dec 18 03:25:16.798 INFO [stderr]    |     ^^^^^
Dec 18 03:25:16.798 INFO [stderr]    |
Dec 18 03:25:16.798 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:25:16.799 INFO [stderr] 
Dec 18 03:25:16.799 INFO [stderr] warning: field is never used: `s`
Dec 18 03:25:16.799 INFO [stderr]   --> src/hardware.rs:41:5
Dec 18 03:25:16.799 INFO [stderr]    |
Dec 18 03:25:16.800 INFO [stderr] 41 |     s: u8,
Dec 18 03:25:16.800 INFO [stderr]    |     ^^^^^
Dec 18 03:25:16.800 INFO [stderr] 
Dec 18 03:25:17.144 INFO [stderr] warning: unused variable: `tlb`
Dec 18 03:25:17.144 INFO [stderr]  --> src/main.rs:9:9
Dec 18 03:25:17.144 INFO [stderr]   |
Dec 18 03:25:17.144 INFO [stderr] 9 |     let tlb = hardware::TLB::new(4, 4);
Dec 18 03:25:17.144 INFO [stderr]   |         ^^^ help: consider using `_tlb` instead
Dec 18 03:25:17.144 INFO [stderr]   |
Dec 18 03:25:17.144 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 03:25:17.144 INFO [stderr] 
Dec 18 03:25:17.164 INFO [stderr] warning: unused variable: `tlb`
Dec 18 03:25:17.164 INFO [stderr]  --> src/main.rs:9:9
Dec 18 03:25:17.164 INFO [stderr]   |
Dec 18 03:25:17.165 INFO [stderr] 9 |     let tlb = hardware::TLB::new(4, 4);
Dec 18 03:25:17.165 INFO [stderr]   |         ^^^ help: consider using `_tlb` instead
Dec 18 03:25:17.165 INFO [stderr]   |
Dec 18 03:25:17.165 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 03:25:17.165 INFO [stderr] 
Dec 18 03:25:17.233 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 18 03:25:17.994 INFO running `"docker" "inspect" "4ed022d4e547621a46eab604dfad7444509498e000d84a97f8edb7ccaa2154d6"`
Dec 18 03:25:18.240 INFO running `"docker" "rm" "-f" "4ed022d4e547621a46eab604dfad7444509498e000d84a97f8edb7ccaa2154d6"`
Dec 18 03:25:18.556 INFO [stdout] 4ed022d4e547621a46eab604dfad7444509498e000d84a97f8edb7ccaa2154d6