Nov 06 12:59:56.850 INFO checking taku-shimomura/building_vm against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 12:59:56.856 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-2/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 06 12:59:57.309 INFO blam! 0dfa527f8720f690eab4c2f6870e8b4da8e25ee87366a751c2aab496a0390456
Nov 06 12:59:57.332 INFO running `"docker" "start" "-a" "0dfa527f8720f690eab4c2f6870e8b4da8e25ee87366a751c2aab496a0390456"`
Nov 06 12:59:58.405 INFO kablam! usermod: no changes
Nov 06 12:59:58.469 INFO kablam!     Checking building_vm v0.1.0 (/source)
Nov 06 12:59:58.736 INFO kablam! warning: field is never used: `registers`
Nov 06 12:59:58.736 INFO kablam!  --> src/vm.rs:2:5
Nov 06 12:59:58.736 INFO kablam!   |
Nov 06 12:59:58.736 INFO kablam! 2 |     registers: [i32; 32]
Nov 06 12:59:58.736 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 06 12:59:58.736 INFO kablam!   |
Nov 06 12:59:58.736 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 12:59:58.736 INFO kablam! 
Nov 06 12:59:58.782 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Nov 06 12:59:58.784 INFO kablam! su: No module specific data is present
Nov 06 12:59:59.360 INFO running `"docker" "rm" "-f" "0dfa527f8720f690eab4c2f6870e8b4da8e25ee87366a751c2aab496a0390456"`
Nov 06 12:59:59.668 INFO blam! 0dfa527f8720f690eab4c2f6870e8b4da8e25ee87366a751c2aab496a0390456