Oct 12 17:45:53.048 INFO checking matsumotory/middlecon against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:45:53.048 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/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 12 17:45:53.496 INFO blam! 0ae01e48c2c327ca1a84f92053c9691da0d1f6a29d2411f1bb8dc080b66baf28
Oct 12 17:45:53.501 INFO running `"docker" "start" "-a" "0ae01e48c2c327ca1a84f92053c9691da0d1f6a29d2411f1bb8dc080b66baf28"`
Oct 12 17:45:54.744 INFO kablam! usermod: no changes
Oct 12 17:45:54.868 INFO kablam!     Checking iovec v0.1.1
Oct 12 17:45:54.868 INFO kablam!     Checking net2 v0.2.31
Oct 12 17:45:55.390 INFO kablam!     Checking bytes v0.4.5
Oct 12 17:45:55.911 INFO kablam!     Checking mio v0.6.10
Oct 12 17:45:57.117 INFO kablam!     Checking tokio-io v0.1.3
Oct 12 17:45:58.693 INFO kablam!     Checking tokio-core v0.1.10
Oct 12 17:46:00.128 INFO kablam!     Checking middlecon v0.1.0 (/source)
Oct 12 17:46:01.120 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.33s
Oct 12 17:46:01.120 INFO kablam! su: No module specific data is present
Oct 12 17:46:01.404 INFO running `"docker" "rm" "-f" "0ae01e48c2c327ca1a84f92053c9691da0d1f6a29d2411f1bb8dc080b66baf28"`
Oct 12 17:46:01.486 INFO blam! 0ae01e48c2c327ca1a84f92053c9691da0d1f6a29d2411f1bb8dc080b66baf28