Sep 21 00:28:07.849 INFO checking x-923-0.1.2 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 00:28:07.849 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 00:28:07.849 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 00:28:08.068 INFO blam! 8fe6836a84e724e5055187fe8b6a5d3e80f5030cff6260a7c44681cb2cf38443
Sep 21 00:28:08.070 INFO running `"docker" "start" "-a" "8fe6836a84e724e5055187fe8b6a5d3e80f5030cff6260a7c44681cb2cf38443"`
Sep 21 00:28:09.268 INFO kablam! usermod: no changes
Sep 21 00:28:09.357 INFO kablam!     Checking x-923 v0.1.2 (/source)
Sep 21 00:28:09.664 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:28:09.664 INFO kablam!   --> src/lib.rs:20:19
Sep 21 00:28:09.664 INFO kablam!    |
Sep 21 00:28:09.664 INFO kablam! 20 | pub fn pad_buffer(mut buffer: &mut Vec<u8>, block_size: u8) {
Sep 21 00:28:09.664 INFO kablam!    |                   ----^^^^^^
Sep 21 00:28:09.664 INFO kablam!    |                   |
Sep 21 00:28:09.664 INFO kablam!    |                   help: remove this `mut`
Sep 21 00:28:09.664 INFO kablam!    |
Sep 21 00:28:09.664 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 00:28:09.664 INFO kablam! 
Sep 21 00:28:09.664 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:28:09.664 INFO kablam!   --> src/lib.rs:31:22
Sep 21 00:28:09.665 INFO kablam!    |
Sep 21 00:28:09.665 INFO kablam! 31 | pub fn un_pad_buffer(mut buffer: &mut Vec<u8>) {
Sep 21 00:28:09.665 INFO kablam!    |                      ----^^^^^^
Sep 21 00:28:09.665 INFO kablam!    |                      |
Sep 21 00:28:09.665 INFO kablam!    |                      help: remove this `mut`
Sep 21 00:28:09.665 INFO kablam! 
Sep 21 00:28:09.671 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:28:09.671 INFO kablam!   --> src/lib.rs:20:19
Sep 21 00:28:09.671 INFO kablam!    |
Sep 21 00:28:09.671 INFO kablam! 20 | pub fn pad_buffer(mut buffer: &mut Vec<u8>, block_size: u8) {
Sep 21 00:28:09.671 INFO kablam!    |                   ----^^^^^^
Sep 21 00:28:09.671 INFO kablam!    |                   |
Sep 21 00:28:09.671 INFO kablam!    |                   help: remove this `mut`
Sep 21 00:28:09.671 INFO kablam!    |
Sep 21 00:28:09.671 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 00:28:09.671 INFO kablam! 
Sep 21 00:28:09.672 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:28:09.672 INFO kablam!   --> src/lib.rs:31:22
Sep 21 00:28:09.672 INFO kablam!    |
Sep 21 00:28:09.672 INFO kablam! 31 | pub fn un_pad_buffer(mut buffer: &mut Vec<u8>) {
Sep 21 00:28:09.672 INFO kablam!    |                      ----^^^^^^
Sep 21 00:28:09.672 INFO kablam!    |                      |
Sep 21 00:28:09.672 INFO kablam!    |                      help: remove this `mut`
Sep 21 00:28:09.672 INFO kablam! 
Sep 21 00:28:10.116 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Sep 21 00:28:10.119 INFO kablam! su: No module specific data is present
Sep 21 00:28:10.921 INFO running `"docker" "rm" "-f" "8fe6836a84e724e5055187fe8b6a5d3e80f5030cff6260a7c44681cb2cf38443"`
Sep 21 00:28:11.042 INFO blam! 8fe6836a84e724e5055187fe8b6a5d3e80f5030cff6260a7c44681cb2cf38443