Dec 18 15:53:10.702 INFO checking google-appengine1_beta4-1.0.8+20181005 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 15:53:10.702 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-appengine1_beta4/1.0.8+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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:53:10.957 INFO [stdout] 7b3e53ba0ed9b9c0703a1e0ca86b69be004abd00986f1c7ca72f857067efc8fa
Dec 18 15:53:10.966 INFO running `"docker" "start" "-a" "7b3e53ba0ed9b9c0703a1e0ca86b69be004abd00986f1c7ca72f857067efc8fa"`
Dec 18 15:53:11.922 INFO [stderr]     Checking google-appengine1_beta4 v1.0.8+20181005 (/opt/crater/workdir)
Dec 18 15:53:19.876 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 15:53:19.876 INFO [stderr]    --> src/cmn.rs:344:46
Dec 18 15:53:19.876 INFO [stderr]     |
Dec 18 15:53:19.876 INFO [stderr] 344 |             Error::HttpError(ref err) => err.cause(),
Dec 18 15:53:19.876 INFO [stderr]     |                                              ^^^^^
Dec 18 15:53:19.876 INFO [stderr]     |
Dec 18 15:53:19.876 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 15:53:19.876 INFO [stderr] 
Dec 18 15:53:19.876 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 15:53:19.876 INFO [stderr]    --> src/cmn.rs:345:55
Dec 18 15:53:19.876 INFO [stderr]     |
Dec 18 15:53:19.876 INFO [stderr] 345 |             Error::JsonDecodeError(_, ref err) => err.cause(),
Dec 18 15:53:19.876 INFO [stderr]     |                                                       ^^^^^
Dec 18 15:53:19.876 INFO [stderr] 
Dec 18 15:53:19.980 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 15:53:19.980 INFO [stderr]    --> src/cmn.rs:344:46
Dec 18 15:53:19.980 INFO [stderr]     |
Dec 18 15:53:19.980 INFO [stderr] 344 |             Error::HttpError(ref err) => err.cause(),
Dec 18 15:53:19.980 INFO [stderr]     |                                              ^^^^^
Dec 18 15:53:19.980 INFO [stderr]     |
Dec 18 15:53:19.980 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 15:53:19.980 INFO [stderr] 
Dec 18 15:53:19.980 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 15:53:19.980 INFO [stderr]    --> src/cmn.rs:345:55
Dec 18 15:53:19.980 INFO [stderr]     |
Dec 18 15:53:19.980 INFO [stderr] 345 |             Error::JsonDecodeError(_, ref err) => err.cause(),
Dec 18 15:53:19.980 INFO [stderr]     |                                                       ^^^^^
Dec 18 15:53:19.980 INFO [stderr] 
Dec 18 15:53:21.495 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.69s
Dec 18 15:53:22.020 INFO running `"docker" "inspect" "7b3e53ba0ed9b9c0703a1e0ca86b69be004abd00986f1c7ca72f857067efc8fa"`
Dec 18 15:53:22.098 INFO running `"docker" "rm" "-f" "7b3e53ba0ed9b9c0703a1e0ca86b69be004abd00986f1c7ca72f857067efc8fa"`
Dec 18 15:53:22.191 INFO [stdout] 7b3e53ba0ed9b9c0703a1e0ca86b69be004abd00986f1c7ca72f857067efc8fa