Oct 12 21:44:29.901 INFO checking fabiovitalba/echo-proto against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:44:29.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 21:44:30.297 INFO blam! 80794bb8325dc19c06bedfa300084010d6314af1ab8625b45df65996f682ed24
Oct 12 21:44:30.299 INFO running `"docker" "start" "-a" "80794bb8325dc19c06bedfa300084010d6314af1ab8625b45df65996f682ed24"`
Oct 12 21:44:32.832 INFO kablam! usermod: no changes
Oct 12 21:44:32.959 INFO kablam!     Checking net2 v0.2.26
Oct 12 21:44:32.962 INFO kablam!     Checking futures v0.1.8
Oct 12 21:44:32.976 INFO kablam!     Checking nix v0.7.0
Oct 12 21:44:37.212 INFO kablam!     Checking tokio-service v0.1.0
Oct 12 21:44:39.192 INFO kablam!     Checking mio v0.6.2
Oct 12 21:44:40.796 INFO kablam!     Checking tokio-core v0.1.3
Oct 12 21:44:42.373 INFO kablam!     Checking tokio-proto v0.1.0
Oct 12 21:44:45.070 INFO kablam!     Checking echo-proto v0.1.0 (/source)
Oct 12 21:44:46.838 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.98s
Oct 12 21:44:46.852 INFO kablam! su: No module specific data is present
Oct 12 21:44:48.389 INFO running `"docker" "rm" "-f" "80794bb8325dc19c06bedfa300084010d6314af1ab8625b45df65996f682ed24"`
Oct 12 21:44:48.701 INFO blam! 80794bb8325dc19c06bedfa300084010d6314af1ab8625b45df65996f682ed24