Nov 07 05:39:37.653 INFO checking Bkindmonk/RustPractice against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings for pr-55687
Nov 07 05:39:37.654 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-7/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 05:39:38.061 INFO blam! c444678ff562a4a1db032660325efeb02c7429c1851a7c02241fa68533ba7aa6
Nov 07 05:39:38.063 INFO running `"docker" "start" "-a" "c444678ff562a4a1db032660325efeb02c7429c1851a7c02241fa68533ba7aa6"`
Nov 07 05:39:40.057 INFO kablam! usermod: no changes
Nov 07 05:39:40.128 INFO kablam!     Checking mergesort v0.1.0 (/source)
Nov 07 05:39:41.324 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:39:41.324 INFO kablam!   --> src/main.rs:91:13
Nov 07 05:39:41.324 INFO kablam!    |
Nov 07 05:39:41.324 INFO kablam! 91 |         let mut realhalves = (*real).split_at_mut(halflength);
Nov 07 05:39:41.324 INFO kablam!    |             ----^^^^^^^^^^
Nov 07 05:39:41.324 INFO kablam!    |             |
Nov 07 05:39:41.324 INFO kablam!    |             help: remove this `mut`
Nov 07 05:39:41.324 INFO kablam!    |
Nov 07 05:39:41.324 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 05:39:41.324 INFO kablam! 
Nov 07 05:39:41.324 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:39:41.324 INFO kablam!   --> src/main.rs:92:13
Nov 07 05:39:41.324 INFO kablam!    |
Nov 07 05:39:41.324 INFO kablam! 92 |         let mut scratchhalves = (*scratch).split_at_mut(halflength);
Nov 07 05:39:41.324 INFO kablam!    |             ----^^^^^^^^^^^^^
Nov 07 05:39:41.324 INFO kablam!    |             |
Nov 07 05:39:41.324 INFO kablam!    |             help: remove this `mut`
Nov 07 05:39:41.324 INFO kablam! 
Nov 07 05:39:41.436 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:39:41.436 INFO kablam!   --> src/main.rs:91:13
Nov 07 05:39:41.436 INFO kablam!    |
Nov 07 05:39:41.436 INFO kablam! 91 |         let mut realhalves = (*real).split_at_mut(halflength);
Nov 07 05:39:41.436 INFO kablam!    |             ----^^^^^^^^^^
Nov 07 05:39:41.436 INFO kablam!    |             |
Nov 07 05:39:41.436 INFO kablam!    |             help: remove this `mut`
Nov 07 05:39:41.436 INFO kablam!    |
Nov 07 05:39:41.436 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 05:39:41.436 INFO kablam! 
Nov 07 05:39:41.436 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:39:41.436 INFO kablam!   --> src/main.rs:92:13
Nov 07 05:39:41.436 INFO kablam!    |
Nov 07 05:39:41.436 INFO kablam! 92 |         let mut scratchhalves = (*scratch).split_at_mut(halflength);
Nov 07 05:39:41.436 INFO kablam!    |             ----^^^^^^^^^^^^^
Nov 07 05:39:41.436 INFO kablam!    |             |
Nov 07 05:39:41.436 INFO kablam!    |             help: remove this `mut`
Nov 07 05:39:41.436 INFO kablam! 
Nov 07 05:39:41.481 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Nov 07 05:39:41.483 INFO kablam! su: No module specific data is present
Nov 07 05:39:42.570 INFO running `"docker" "rm" "-f" "c444678ff562a4a1db032660325efeb02c7429c1851a7c02241fa68533ba7aa6"`
Nov 07 05:39:42.956 INFO blam! c444678ff562a4a1db032660325efeb02c7429c1851a7c02241fa68533ba7aa6