Nov 17 08:19:44.505 INFO testing benjaminhadfield/mmu against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 08:19:44.506 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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"`
Nov 17 08:19:44.891 INFO [stdout] a86af0111f16bff915da5956a0dd12130248e397478e16ffaedd449f237dcda9
Nov 17 08:19:44.894 INFO running `"docker" "start" "-a" "a86af0111f16bff915da5956a0dd12130248e397478e16ffaedd449f237dcda9"`
Nov 17 08:19:45.658 INFO [stderr] usermod: no changes
Nov 17 08:19:45.698 INFO [stderr]    Compiling mmu v0.1.0 (/source)
Nov 17 08:19:46.003 INFO [stderr] warning: field is never used: `e`
Nov 17 08:19:46.003 INFO [stderr]   --> src/hardware.rs:39:5
Nov 17 08:19:46.003 INFO [stderr]    |
Nov 17 08:19:46.003 INFO [stderr] 39 |     e: u8,
Nov 17 08:19:46.003 INFO [stderr]    |     ^^^^^
Nov 17 08:19:46.003 INFO [stderr]    |
Nov 17 08:19:46.003 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 08:19:46.003 INFO [stderr] 
Nov 17 08:19:46.003 INFO [stderr] warning: field is never used: `s`
Nov 17 08:19:46.003 INFO [stderr]   --> src/hardware.rs:41:5
Nov 17 08:19:46.003 INFO [stderr]    |
Nov 17 08:19:46.003 INFO [stderr] 41 |     s: u8,
Nov 17 08:19:46.003 INFO [stderr]    |     ^^^^^
Nov 17 08:19:46.003 INFO [stderr] 
Nov 17 08:19:46.311 INFO [stderr] warning: unused variable: `tlb`
Nov 17 08:19:46.311 INFO [stderr]  --> src/main.rs:9:9
Nov 17 08:19:46.311 INFO [stderr]   |
Nov 17 08:19:46.311 INFO [stderr] 9 |     let tlb = hardware::TLB::new(4, 4);
Nov 17 08:19:46.311 INFO [stderr]   |         ^^^ help: consider using `_tlb` instead
Nov 17 08:19:46.311 INFO [stderr]   |
Nov 17 08:19:46.311 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 08:19:46.311 INFO [stderr] 
Nov 17 08:19:46.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Nov 17 08:19:46.583 INFO [stderr] su: No module specific data is present
Nov 17 08:19:47.497 INFO running `"docker" "inspect" "a86af0111f16bff915da5956a0dd12130248e397478e16ffaedd449f237dcda9"`
Nov 17 08:19:47.979 INFO running `"docker" "rm" "-f" "a86af0111f16bff915da5956a0dd12130248e397478e16ffaedd449f237dcda9"`
Nov 17 08:19:48.291 INFO [stdout] a86af0111f16bff915da5956a0dd12130248e397478e16ffaedd449f237dcda9
Nov 17 08:19:48.293 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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"`
Nov 17 08:19:48.795 INFO [stdout] b0104901e0284e1a45dee155160152543911bdaf9d40be5fc4d85e8f2ff3e92d
Nov 17 08:19:48.803 INFO running `"docker" "start" "-a" "b0104901e0284e1a45dee155160152543911bdaf9d40be5fc4d85e8f2ff3e92d"`
Nov 17 08:19:49.546 INFO [stderr] usermod: no changes
Nov 17 08:19:49.627 INFO [stderr]    Compiling mmu v0.1.0 (/source)
Nov 17 08:19:50.143 INFO [stderr] warning: unused variable: `tlb`
Nov 17 08:19:50.143 INFO [stderr]  --> src/main.rs:9:9
Nov 17 08:19:50.143 INFO [stderr]   |
Nov 17 08:19:50.143 INFO [stderr] 9 |     let tlb = hardware::TLB::new(4, 4);
Nov 17 08:19:50.143 INFO [stderr]   |         ^^^ help: consider using `_tlb` instead
Nov 17 08:19:50.143 INFO [stderr]   |
Nov 17 08:19:50.143 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 08:19:50.143 INFO [stderr] 
Nov 17 08:19:50.171 INFO [stderr] warning: field is never used: `e`
Nov 17 08:19:50.171 INFO [stderr]   --> src/hardware.rs:39:5
Nov 17 08:19:50.171 INFO [stderr]    |
Nov 17 08:19:50.171 INFO [stderr] 39 |     e: u8,
Nov 17 08:19:50.171 INFO [stderr]    |     ^^^^^
Nov 17 08:19:50.171 INFO [stderr]    |
Nov 17 08:19:50.171 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 08:19:50.171 INFO [stderr] 
Nov 17 08:19:50.171 INFO [stderr] warning: field is never used: `s`
Nov 17 08:19:50.171 INFO [stderr]   --> src/hardware.rs:41:5
Nov 17 08:19:50.171 INFO [stderr]    |
Nov 17 08:19:50.171 INFO [stderr] 41 |     s: u8,
Nov 17 08:19:50.171 INFO [stderr]    |     ^^^^^
Nov 17 08:19:50.171 INFO [stderr] 
Nov 17 08:19:50.642 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Nov 17 08:19:50.657 INFO [stderr] su: No module specific data is present
Nov 17 08:19:51.493 INFO running `"docker" "inspect" "b0104901e0284e1a45dee155160152543911bdaf9d40be5fc4d85e8f2ff3e92d"`
Nov 17 08:19:51.616 INFO running `"docker" "rm" "-f" "b0104901e0284e1a45dee155160152543911bdaf9d40be5fc4d85e8f2ff3e92d"`
Nov 17 08:19:51.797 INFO [stdout] b0104901e0284e1a45dee155160152543911bdaf9d40be5fc4d85e8f2ff3e92d