Dec 19 09:07:03.571 INFO checking seifriedc/blackjack-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:07:03.571 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/seifriedc/blackjack-rust:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:07:03.980 INFO [stdout] 7d0aeccb9628b3fe370f8934d446be238ac7c3de198eb8fbb6f0a364703efaec
Dec 19 09:07:03.992 INFO running `"docker" "start" "-a" "7d0aeccb9628b3fe370f8934d446be238ac7c3de198eb8fbb6f0a364703efaec"`
Dec 19 09:07:05.680 INFO [stderr]     Checking libc v0.2.26
Dec 19 09:07:06.536 INFO [stderr]     Checking rand v0.3.15
Dec 19 09:07:07.788 INFO [stderr]     Checking blackjack v0.0.1 (/opt/crater/workdir)
Dec 19 09:07:08.199 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
Dec 19 09:07:08.970 INFO running `"docker" "inspect" "7d0aeccb9628b3fe370f8934d446be238ac7c3de198eb8fbb6f0a364703efaec"`
Dec 19 09:07:09.362 INFO running `"docker" "rm" "-f" "7d0aeccb9628b3fe370f8934d446be238ac7c3de198eb8fbb6f0a364703efaec"`
Dec 19 09:07:09.694 INFO [stdout] 7d0aeccb9628b3fe370f8934d446be238ac7c3de198eb8fbb6f0a364703efaec