Sep 21 00:28:07.694 INFO checking x-923-0.1.2 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 00:28:07.694 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 00:28:07.695 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 00:28:07.904 INFO blam! b3c634fe1985785e13079b818c80fc8d6ecbdfd477d562b6ead64a8aca6a6bc6
Sep 21 00:28:07.906 INFO running `"docker" "start" "-a" "b3c634fe1985785e13079b818c80fc8d6ecbdfd477d562b6ead64a8aca6a6bc6"`
Sep 21 00:28:08.862 INFO kablam! usermod: no changes
Sep 21 00:28:08.912 INFO kablam!     Checking x-923 v0.1.2 (/source)
Sep 21 00:28:09.116 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:28:09.116 INFO kablam!   --> src/lib.rs:20:19
Sep 21 00:28:09.117 INFO kablam!    |
Sep 21 00:28:09.117 INFO kablam! 20 | pub fn pad_buffer(mut buffer: &mut Vec<u8>, block_size: u8) {
Sep 21 00:28:09.117 INFO kablam!    |                   ----^^^^^^
Sep 21 00:28:09.117 INFO kablam!    |                   |
Sep 21 00:28:09.117 INFO kablam!    |                   help: remove this `mut`
Sep 21 00:28:09.117 INFO kablam!    |
Sep 21 00:28:09.117 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 00:28:09.117 INFO kablam! 
Sep 21 00:28:09.117 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:28:09.117 INFO kablam!   --> src/lib.rs:31:22
Sep 21 00:28:09.117 INFO kablam!    |
Sep 21 00:28:09.117 INFO kablam! 31 | pub fn un_pad_buffer(mut buffer: &mut Vec<u8>) {
Sep 21 00:28:09.117 INFO kablam!    |                      ----^^^^^^
Sep 21 00:28:09.117 INFO kablam!    |                      |
Sep 21 00:28:09.117 INFO kablam!    |                      help: remove this `mut`
Sep 21 00:28:09.117 INFO kablam! 
Sep 21 00:28:09.258 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:28:09.258 INFO kablam!   --> src/lib.rs:20:19
Sep 21 00:28:09.258 INFO kablam!    |
Sep 21 00:28:09.258 INFO kablam! 20 | pub fn pad_buffer(mut buffer: &mut Vec<u8>, block_size: u8) {
Sep 21 00:28:09.258 INFO kablam!    |                   ----^^^^^^
Sep 21 00:28:09.258 INFO kablam!    |                   |
Sep 21 00:28:09.258 INFO kablam!    |                   help: remove this `mut`
Sep 21 00:28:09.258 INFO kablam!    |
Sep 21 00:28:09.258 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 00:28:09.258 INFO kablam! 
Sep 21 00:28:09.258 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:28:09.258 INFO kablam!   --> src/lib.rs:31:22
Sep 21 00:28:09.258 INFO kablam!    |
Sep 21 00:28:09.258 INFO kablam! 31 | pub fn un_pad_buffer(mut buffer: &mut Vec<u8>) {
Sep 21 00:28:09.258 INFO kablam!    |                      ----^^^^^^
Sep 21 00:28:09.258 INFO kablam!    |                      |
Sep 21 00:28:09.258 INFO kablam!    |                      help: remove this `mut`
Sep 21 00:28:09.258 INFO kablam! 
Sep 21 00:28:09.522 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Sep 21 00:28:09.525 INFO kablam! su: No module specific data is present
Sep 21 00:28:10.342 INFO running `"docker" "rm" "-f" "b3c634fe1985785e13079b818c80fc8d6ecbdfd477d562b6ead64a8aca6a6bc6"`
Sep 21 00:28:10.458 INFO blam! b3c634fe1985785e13079b818c80fc8d6ecbdfd477d562b6ead64a8aca6a6bc6