Dec 11 13:26:18.946 INFO checking mmueller/advent2016 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:26:18.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 13:26:19.392 INFO [stdout] dee7a2764b9b5c24ed126beb586fee949629d92724e7c7c851380a33ddc510f6
Dec 11 13:26:19.404 INFO running `"docker" "start" "-a" "dee7a2764b9b5c24ed126beb586fee949629d92724e7c7c851380a33ddc510f6"`
Dec 11 13:26:20.853 INFO [stderr] usermod: no changes
Dec 11 13:26:21.044 INFO [stderr]    Compiling backtrace-sys v0.1.5
Dec 11 13:26:22.278 INFO [stderr]     Checking backtrace v0.3.0
Dec 11 13:26:22.822 INFO [stderr]     Checking error-chain v0.7.1
Dec 11 13:26:23.440 INFO [stderr]     Checking advent2016 v0.1.0 (/source)
Dec 11 13:26:25.481 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
Dec 11 13:26:25.486 INFO [stderr] su: No module specific data is present
Dec 11 13:26:26.495 INFO running `"docker" "inspect" "dee7a2764b9b5c24ed126beb586fee949629d92724e7c7c851380a33ddc510f6"`
Dec 11 13:26:26.777 INFO running `"docker" "rm" "-f" "dee7a2764b9b5c24ed126beb586fee949629d92724e7c7c851380a33ddc510f6"`
Dec 11 13:26:27.174 INFO [stdout] dee7a2764b9b5c24ed126beb586fee949629d92724e7c7c851380a33ddc510f6