Dec 04 16:18:01.116 INFO checking jtdowney/advent-2016 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:18:01.116 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 16:18:01.601 INFO [stdout] 62b1b8b743f3a903684be06caa0b22c03f6df166984dea29ff3da4b54e34750f
Dec 04 16:18:01.603 INFO running `"docker" "start" "-a" "62b1b8b743f3a903684be06caa0b22c03f6df166984dea29ff3da4b54e34750f"`
Dec 04 16:18:03.506 INFO [stderr] usermod: no changes
Dec 04 16:18:03.769 INFO [stderr]     Checking permutohedron v0.2.2
Dec 04 16:18:03.775 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 04 16:18:03.798 INFO [stderr]     Checking backtrace v0.3.0
Dec 04 16:18:03.822 INFO [stderr]     Checking interval_tree v0.2.0
Dec 04 16:18:05.144 INFO [stderr]     Checking error-chain v0.7.2
Dec 04 16:18:10.994 INFO [stderr]     Checking advent v0.1.0 (/source)
Dec 04 16:18:38.679 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.14s
Dec 04 16:18:38.695 INFO [stderr] su: No module specific data is present
Dec 04 16:18:39.735 INFO running `"docker" "inspect" "62b1b8b743f3a903684be06caa0b22c03f6df166984dea29ff3da4b54e34750f"`
Dec 04 16:18:40.153 INFO running `"docker" "rm" "-f" "62b1b8b743f3a903684be06caa0b22c03f6df166984dea29ff3da4b54e34750f"`
Dec 04 16:18:40.430 INFO [stdout] 62b1b8b743f3a903684be06caa0b22c03f6df166984dea29ff3da4b54e34750f