Oct 13 04:25:55.313 INFO checking HeapUnderfl0w/twitch_chat_repeater against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 04:25:55.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 04:25:55.690 INFO blam! 117827cb39dc30dda02e74681a5f33a03c3ae166f79ef262ce45303c540366ba
Oct 13 04:25:55.697 INFO running `"docker" "start" "-a" "117827cb39dc30dda02e74681a5f33a03c3ae166f79ef262ce45303c540366ba"`
Oct 13 04:25:57.025 INFO kablam! usermod: no changes
Oct 13 04:25:57.446 INFO kablam!     Checking colored v1.6.1
Oct 13 04:25:57.446 INFO kablam!     Checking tokio-timer v0.1.2
Oct 13 04:25:57.460 INFO kablam!     Checking regex v1.0.2
Oct 13 04:25:57.460 INFO kablam!     Checking ctrlc v3.1.1
Oct 13 04:25:57.460 INFO kablam!     Checking tokio-mockstream v1.1.0
Oct 13 04:26:00.185 INFO kablam!     Checking fern v0.5.6
Oct 13 04:26:01.080 INFO kablam!     Checking irc v0.13.5
Oct 13 04:26:08.957 INFO kablam!     Checking chat_repeater v1.0.5 (/source)
Oct 13 04:26:21.180 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.12s
Oct 13 04:26:21.192 INFO kablam! su: No module specific data is present
Oct 13 04:26:22.358 INFO running `"docker" "rm" "-f" "117827cb39dc30dda02e74681a5f33a03c3ae166f79ef262ce45303c540366ba"`
Oct 13 04:26:22.645 INFO blam! 117827cb39dc30dda02e74681a5f33a03c3ae166f79ef262ce45303c540366ba