[INFO] updating cached repository jonathanCogan/chat_application
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonathanCogan/chat_application
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonathanCogan/chat_application" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jonathanCogan/chat_application"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jonathanCogan/chat_application'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonathanCogan/chat_application" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jonathanCogan/chat_application"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jonathanCogan/chat_application'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d5b8c87ec1fbc1c3f49bd07d19e291c320dd8a97
[INFO] sha for GitHub repo jonathanCogan/chat_application: d5b8c87ec1fbc1c3f49bd07d19e291c320dd8a97
[INFO] validating manifest of jonathanCogan/chat_application on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jonathanCogan/chat_application on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jonathanCogan/chat_application
[INFO] finished frobbing jonathanCogan/chat_application
[INFO] frobbed toml for jonathanCogan/chat_application written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jonathanCogan/chat_application/Cargo.toml
[INFO] started frobbing jonathanCogan/chat_application
[INFO] finished frobbing jonathanCogan/chat_application
[INFO] frobbed toml for jonathanCogan/chat_application written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jonathanCogan/chat_application/Cargo.toml
[INFO] crate jonathanCogan/chat_application already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jonathanCogan/chat_application against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jonathanCogan/chat_application:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 79d27075a55005ed49cde1349da00268c8da8b368f0411c7b961115328e42660
[INFO] running `"docker" "start" "-a" "79d27075a55005ed49cde1349da00268c8da8b368f0411c7b961115328e42660"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking b_chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `"docker" "inspect" "79d27075a55005ed49cde1349da00268c8da8b368f0411c7b961115328e42660"`
[INFO] running `"docker" "rm" "-f" "79d27075a55005ed49cde1349da00268c8da8b368f0411c7b961115328e42660"`
[INFO] [stdout] 79d27075a55005ed49cde1349da00268c8da8b368f0411c7b961115328e42660