Dec 17 22:30:34.060 INFO checking jbg/prox against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:30:34.061 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jbg/prox:/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 17 22:30:34.275 INFO [stdout] dcbfded030565cb64a26455383454f0b52eb6dbf85b5b16b7fa9844d568ad410
Dec 17 22:30:34.278 INFO running `"docker" "start" "-a" "dcbfded030565cb64a26455383454f0b52eb6dbf85b5b16b7fa9844d568ad410"`
Dec 17 22:30:35.127 INFO [stderr]     Checking tokio-core v0.1.10
Dec 17 22:30:35.127 INFO [stderr]     Checking env_logger v0.4.3
Dec 17 22:30:36.718 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 17 22:30:38.820 INFO [stderr]     Checking hyper v0.11.7
Dec 17 22:30:42.843 INFO [stderr]     Checking prox v0.1.0 (/opt/crater/workdir)
Dec 17 22:30:43.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
Dec 17 22:30:43.702 INFO running `"docker" "inspect" "dcbfded030565cb64a26455383454f0b52eb6dbf85b5b16b7fa9844d568ad410"`
Dec 17 22:30:43.895 INFO running `"docker" "rm" "-f" "dcbfded030565cb64a26455383454f0b52eb6dbf85b5b16b7fa9844d568ad410"`
Dec 17 22:30:44.132 INFO [stdout] dcbfded030565cb64a26455383454f0b52eb6dbf85b5b16b7fa9844d568ad410