Nov 07 17:23:08.411 INFO checking buffoon-0.5.0 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings for pr-55687
Nov 07 17:23:08.411 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-1/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 07 17:23:08.698 INFO blam! 81e3fa56d69a6f8b67dc9c677cd99e8667db34cc7907df36c2d4edb2a4bb74b7
Nov 07 17:23:08.708 INFO running `"docker" "start" "-a" "81e3fa56d69a6f8b67dc9c677cd99e8667db34cc7907df36c2d4edb2a4bb74b7"`
Nov 07 17:23:10.109 INFO kablam! usermod: no changes
Nov 07 17:23:10.165 INFO kablam!     Checking buffoon v0.5.0 (/source)
Nov 07 17:23:11.264 INFO kablam! warning: variable does not need to be mutable
Nov 07 17:23:11.264 INFO kablam!    --> src/input_stream.rs:104:17
Nov 07 17:23:11.264 INFO kablam!     |
Nov 07 17:23:11.264 INFO kablam! 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Nov 07 17:23:11.264 INFO kablam!     |                 ----^^^
Nov 07 17:23:11.264 INFO kablam!     |                 |
Nov 07 17:23:11.264 INFO kablam!     |                 help: remove this `mut`
Nov 07 17:23:11.264 INFO kablam!     |
Nov 07 17:23:11.264 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 07 17:23:11.264 INFO kablam! 
Nov 07 17:23:11.344 INFO kablam! warning: variable does not need to be mutable
Nov 07 17:23:11.344 INFO kablam!    --> src/input_stream.rs:104:17
Nov 07 17:23:11.344 INFO kablam!     |
Nov 07 17:23:11.344 INFO kablam! 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Nov 07 17:23:11.344 INFO kablam!     |                 ----^^^
Nov 07 17:23:11.344 INFO kablam!     |                 |
Nov 07 17:23:11.344 INFO kablam!     |                 help: remove this `mut`
Nov 07 17:23:11.344 INFO kablam!     |
Nov 07 17:23:11.344 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 07 17:23:11.344 INFO kablam! 
Nov 07 17:23:11.432 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Nov 07 17:23:11.435 INFO kablam! su: No module specific data is present
Nov 07 17:23:12.202 INFO running `"docker" "rm" "-f" "81e3fa56d69a6f8b67dc9c677cd99e8667db34cc7907df36c2d4edb2a4bb74b7"`
Nov 07 17:23:12.460 INFO blam! 81e3fa56d69a6f8b67dc9c677cd99e8667db34cc7907df36c2d4edb2a4bb74b7