Dec 11 10:10:03.260 INFO checking saresend/Rusty_Socket_server against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 10:10:03.261 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 10:10:03.512 INFO [stdout] 881173ae34f41409f7fec9648b4cc7f97fd001f42c5df0b4ebce821396e453fd
Dec 11 10:10:03.512 INFO running `"docker" "start" "-a" "881173ae34f41409f7fec9648b4cc7f97fd001f42c5df0b4ebce821396e453fd"`
Dec 11 10:10:04.568 INFO [stderr] usermod: no changes
Dec 11 10:10:04.690 INFO [stderr]     Checking lazy_static v0.2.10
Dec 11 10:10:04.690 INFO [stderr]     Checking net2 v0.2.31
Dec 11 10:10:05.290 INFO [stderr]     Checking mio v0.6.11
Dec 11 10:10:06.704 INFO [stderr]     Checking ws v0.7.3
Dec 11 10:10:08.581 INFO [stderr]     Checking ws_201_server v0.1.0 (/source)
Dec 11 10:10:09.208 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
Dec 11 10:10:09.212 INFO [stderr] su: No module specific data is present
Dec 11 10:10:09.468 INFO running `"docker" "inspect" "881173ae34f41409f7fec9648b4cc7f97fd001f42c5df0b4ebce821396e453fd"`
Dec 11 10:10:09.640 INFO running `"docker" "rm" "-f" "881173ae34f41409f7fec9648b4cc7f97fd001f42c5df0b4ebce821396e453fd"`
Dec 11 10:10:09.840 INFO [stdout] 881173ae34f41409f7fec9648b4cc7f97fd001f42c5df0b4ebce821396e453fd