Nov 06 20:57:18.330 INFO checking hjr3/future-mpsc-example against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings for pr-55687
Nov 06 20:57:18.330 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-2/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dduplicate_associated_type_bindings" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 06 20:57:18.617 INFO blam! 1df86b944163601a38c4e1e7a6dcfbbb177f54e9a0126c114ae1ccc9aa89d064
Nov 06 20:57:18.622 INFO running `"docker" "start" "-a" "1df86b944163601a38c4e1e7a6dcfbbb177f54e9a0126c114ae1ccc9aa89d064"`
Nov 06 20:57:19.413 INFO kablam! usermod: no changes
Nov 06 20:57:19.540 INFO kablam!     Checking net2 v0.2.26
Nov 06 20:57:19.540 INFO kablam!     Checking env_logger v0.4.1
Nov 06 20:57:20.524 INFO kablam!     Checking mio v0.6.4
Nov 06 20:57:21.888 INFO kablam!     Checking tokio-core v0.1.4
Nov 06 20:57:22.943 INFO kablam!     Checking future-mpsc-example v0.1.0 (/source)
Nov 06 20:57:23.948 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
Nov 06 20:57:23.956 INFO kablam! su: No module specific data is present
Nov 06 20:57:24.325 INFO running `"docker" "rm" "-f" "1df86b944163601a38c4e1e7a6dcfbbb177f54e9a0126c114ae1ccc9aa89d064"`
Nov 06 20:57:24.580 INFO blam! 1df86b944163601a38c4e1e7a6dcfbbb177f54e9a0126c114ae1ccc9aa89d064