Sep 03 23:14:59.696 INFO checking variable_size_byte_writer-0.1.5 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 03 23:14:59.696 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 03 23:14:59.696 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 23:14:59.850 INFO blam! 35fe3ea0d36bac584096ac456ce299101e908e758aec484c5fd0ab8c45432180
Sep 03 23:14:59.852 INFO running `"docker" "start" "-a" "35fe3ea0d36bac584096ac456ce299101e908e758aec484c5fd0ab8c45432180"`
Sep 03 23:15:00.601 INFO kablam!     Checking typenum_loops v0.2.0
Sep 03 23:15:00.888 INFO kablam!     Checking variable_size_byte_writer v0.1.5 (file:///source)
Sep 03 23:15:01.718 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:15:01.718 INFO kablam!   --> benches/benches.rs:11:9
Sep 03 23:15:01.719 INFO kablam!    |
Sep 03 23:15:01.719 INFO kablam! 11 |     let mut target = std::io::Cursor::new(vec![]);
Sep 03 23:15:01.719 INFO kablam!    |         ----^^^^^^
Sep 03 23:15:01.719 INFO kablam!    |         |
Sep 03 23:15:01.719 INFO kablam!    |         help: remove this `mut`
Sep 03 23:15:01.719 INFO kablam!    |
Sep 03 23:15:01.719 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 23:15:01.719 INFO kablam! 
Sep 03 23:15:01.721 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:15:01.721 INFO kablam!   --> benches/benches.rs:32:9
Sep 03 23:15:01.721 INFO kablam!    |
Sep 03 23:15:01.721 INFO kablam! 32 |     let mut target = std::io::Cursor::new(vec![]);
Sep 03 23:15:01.721 INFO kablam!    |         ----^^^^^^
Sep 03 23:15:01.721 INFO kablam!    |         |
Sep 03 23:15:01.721 INFO kablam!    |         help: remove this `mut`
Sep 03 23:15:01.721 INFO kablam! 
Sep 03 23:15:01.724 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:15:01.724 INFO kablam!   --> benches/benches.rs:53:9
Sep 03 23:15:01.724 INFO kablam!    |
Sep 03 23:15:01.724 INFO kablam! 53 |     let mut target = std::io::Cursor::new(vec![]);
Sep 03 23:15:01.724 INFO kablam!    |         ----^^^^^^
Sep 03 23:15:01.724 INFO kablam!    |         |
Sep 03 23:15:01.724 INFO kablam!    |         help: remove this `mut`
Sep 03 23:15:01.724 INFO kablam! 
Sep 03 23:15:01.825 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Sep 03 23:15:01.829 INFO kablam! su: No module specific data is present
Sep 03 23:15:02.295 INFO running `"docker" "rm" "-f" "35fe3ea0d36bac584096ac456ce299101e908e758aec484c5fd0ab8c45432180"`
Sep 03 23:15:02.387 INFO blam! 35fe3ea0d36bac584096ac456ce299101e908e758aec484c5fd0ab8c45432180