Dec 18 15:53:11.521 INFO checking google-appengine1_beta4-cli-1.0.8+20181005 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 15:53:11.521 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/google-appengine1_beta4-cli/1.0.8+20181005:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:53:11.809 INFO [stdout] 575a225c9664f74a3a3fe5e9919ba013ae12e9e52b767a9c2260a156020225cc
Dec 18 15:53:11.811 INFO running `"docker" "start" "-a" "575a225c9664f74a3a3fe5e9919ba013ae12e9e52b767a9c2260a156020225cc"`
Dec 18 15:53:14.361 INFO [stderr]     Checking google-appengine1_beta4 v1.0.8+20181005
Dec 18 15:53:20.085 INFO [stderr]     Checking google-appengine1_beta4-cli v1.0.8+20181005 (/opt/crater/workdir)
Dec 18 15:53:22.666 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
Dec 18 15:53:22.929 INFO running `"docker" "inspect" "575a225c9664f74a3a3fe5e9919ba013ae12e9e52b767a9c2260a156020225cc"`
Dec 18 15:53:23.019 INFO running `"docker" "rm" "-f" "575a225c9664f74a3a3fe5e9919ba013ae12e9e52b767a9c2260a156020225cc"`
Dec 18 15:53:23.115 INFO [stdout] 575a225c9664f74a3a3fe5e9919ba013ae12e9e52b767a9c2260a156020225cc