Sep 05 21:15:29.917 INFO checking variable_size_byte_writer-0.1.5 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 21:15:29.917 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 21:15:29.917 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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=1000" "-e" "CMD=cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 21:15:30.054 INFO blam! 758f8a1f8032dbc0b384dfa827e5e6ec49c3abc637f5e3831cfc17d9a467a98f
Sep 05 21:15:30.055 INFO running `"docker" "start" "-a" "758f8a1f8032dbc0b384dfa827e5e6ec49c3abc637f5e3831cfc17d9a467a98f"`
Sep 05 21:15:31.360 INFO kablam! usermod: no changes
Sep 05 21:15:31.384 INFO kablam!     Checking typenum_loops v0.2.0
Sep 05 21:15:31.535 INFO kablam!     Checking variable_size_byte_writer v0.1.5 (file:///source)
Sep 05 21:15:31.926 INFO kablam! warning: variable does not need to be mutable
Sep 05 21:15:31.926 INFO kablam!   --> benches/benches.rs:11:9
Sep 05 21:15:31.926 INFO kablam!    |
Sep 05 21:15:31.926 INFO kablam! 11 |     let mut target = std::io::Cursor::new(vec![]);
Sep 05 21:15:31.926 INFO kablam!    |         ----^^^^^^
Sep 05 21:15:31.926 INFO kablam!    |         |
Sep 05 21:15:31.926 INFO kablam!    |         help: remove this `mut`
Sep 05 21:15:31.926 INFO kablam!    |
Sep 05 21:15:31.926 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 21:15:31.926 INFO kablam! 
Sep 05 21:15:31.926 INFO kablam! warning: variable does not need to be mutable
Sep 05 21:15:31.926 INFO kablam!   --> benches/benches.rs:32:9
Sep 05 21:15:31.926 INFO kablam!    |
Sep 05 21:15:31.926 INFO kablam! 32 |     let mut target = std::io::Cursor::new(vec![]);
Sep 05 21:15:31.926 INFO kablam!    |         ----^^^^^^
Sep 05 21:15:31.926 INFO kablam!    |         |
Sep 05 21:15:31.926 INFO kablam!    |         help: remove this `mut`
Sep 05 21:15:31.926 INFO kablam! 
Sep 05 21:15:31.926 INFO kablam! warning: variable does not need to be mutable
Sep 05 21:15:31.926 INFO kablam!   --> benches/benches.rs:53:9
Sep 05 21:15:31.926 INFO kablam!    |
Sep 05 21:15:31.926 INFO kablam! 53 |     let mut target = std::io::Cursor::new(vec![]);
Sep 05 21:15:31.926 INFO kablam!    |         ----^^^^^^
Sep 05 21:15:31.926 INFO kablam!    |         |
Sep 05 21:15:31.926 INFO kablam!    |         help: remove this `mut`
Sep 05 21:15:31.926 INFO kablam! 
Sep 05 21:15:32.005 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Sep 05 21:15:32.007 INFO kablam! su: No module specific data is present
Sep 05 21:15:32.618 INFO running `"docker" "rm" "-f" "758f8a1f8032dbc0b384dfa827e5e6ec49c3abc637f5e3831cfc17d9a467a98f"`
Sep 05 21:15:32.701 INFO blam! 758f8a1f8032dbc0b384dfa827e5e6ec49c3abc637f5e3831cfc17d9a467a98f