Dec 18 15:52:50.797 INFO checking google-autoscaler1_beta2-cli-1.0.8+20150629 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 15:52:50.797 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/google-autoscaler1_beta2-cli/1.0.8+20150629:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:52:51.360 INFO [stdout] c4b97b0fd84dafd5ccc04e8643aa553125610b19277f8df074cf525c8123ffb9
Dec 18 15:52:51.362 INFO running `"docker" "start" "-a" "c4b97b0fd84dafd5ccc04e8643aa553125610b19277f8df074cf525c8123ffb9"`
Dec 18 15:52:53.153 INFO [stderr]     Checking google-autoscaler1_beta2 v1.0.8+20150629
Dec 18 15:52:56.624 INFO [stderr]     Checking google-autoscaler1_beta2-cli v1.0.8+20150629 (/opt/crater/workdir)
Dec 18 15:53:01.104 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
Dec 18 15:53:01.605 INFO running `"docker" "inspect" "c4b97b0fd84dafd5ccc04e8643aa553125610b19277f8df074cf525c8123ffb9"`
Dec 18 15:53:01.698 INFO running `"docker" "rm" "-f" "c4b97b0fd84dafd5ccc04e8643aa553125610b19277f8df074cf525c8123ffb9"`
Dec 18 15:53:01.779 INFO [stdout] c4b97b0fd84dafd5ccc04e8643aa553125610b19277f8df074cf525c8123ffb9