Dec 05 00:21:34.424 INFO checking RobotDisco/rust_chat against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:21:34.424 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 00:21:34.919 INFO [stdout] 8e7315d765e055e8417bb1d0897bbb52243330590a2ed584543fd7abe5194dd0
Dec 05 00:21:34.923 INFO running `"docker" "start" "-a" "8e7315d765e055e8417bb1d0897bbb52243330590a2ed584543fd7abe5194dd0"`
Dec 05 00:21:36.290 INFO [stderr] usermod: no changes
Dec 05 00:21:36.406 INFO [stderr]     Checking net2 v0.2.33
Dec 05 00:21:36.407 INFO [stderr]    Compiling http-muncher v0.2.5
Dec 05 00:21:36.423 INFO [stderr]     Checking sha1 v0.1.1
Dec 05 00:21:38.280 INFO [stderr]     Checking miow v0.1.5
Dec 05 00:21:39.043 INFO [stderr]     Checking mio v0.5.1
Dec 05 00:21:40.839 INFO [stderr]     Checking chat v0.1.0 (/source)
Dec 05 00:21:42.472 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
Dec 05 00:21:42.477 INFO [stderr] su: No module specific data is present
Dec 05 00:21:43.754 INFO running `"docker" "inspect" "8e7315d765e055e8417bb1d0897bbb52243330590a2ed584543fd7abe5194dd0"`
Dec 05 00:21:44.033 INFO running `"docker" "rm" "-f" "8e7315d765e055e8417bb1d0897bbb52243330590a2ed584543fd7abe5194dd0"`
Dec 05 00:21:44.387 INFO [stdout] 8e7315d765e055e8417bb1d0897bbb52243330590a2ed584543fd7abe5194dd0