Aug 02 13:49:21.006 INFO checking brain-brainfuck-1.3.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:49:21.006 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:49:21.006 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:49:21.006 INFO running `"docker" "create" "-v" "/tmp/crater.ahCXunYtCwAa:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 13:49:21.254 INFO blam! d5b3fefed9f323a6d0afe339b3d0569ddd8bc2483062f2b402935946ced4b527
Aug 02 13:49:21.257 INFO running `"docker" "start" "-a" "d5b3fefed9f323a6d0afe339b3d0569ddd8bc2483062f2b402935946ced4b527"`
Aug 02 13:49:22.213 INFO kablam!     Checking brain-brainfuck v1.3.0 (file:///source)
Aug 02 13:49:23.786 INFO kablam! warning: variable does not need to be mutable
Aug 02 13:49:23.786 INFO kablam!    --> src/interpreter.rs:100:18
Aug 02 13:49:23.786 INFO kablam!     |
Aug 02 13:49:23.786 INFO kablam! 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
Aug 02 13:49:23.786 INFO kablam!     |                  ----^^^^^^^
Aug 02 13:49:23.786 INFO kablam!     |                  |
Aug 02 13:49:23.787 INFO kablam!     |                  help: remove this `mut`
Aug 02 13:49:23.787 INFO kablam!     |
Aug 02 13:49:23.787 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 13:49:23.787 INFO kablam! 
Aug 02 13:49:25.234 INFO kablam! warning: variable does not need to be mutable
Aug 02 13:49:25.234 INFO kablam!    --> src/interpreter.rs:100:18
Aug 02 13:49:25.234 INFO kablam!     |
Aug 02 13:49:25.234 INFO kablam! 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
Aug 02 13:49:25.234 INFO kablam!     |                  ----^^^^^^^
Aug 02 13:49:25.234 INFO kablam!     |                  |
Aug 02 13:49:25.234 INFO kablam!     |                  help: remove this `mut`
Aug 02 13:49:25.234 INFO kablam!     |
Aug 02 13:49:25.235 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 13:49:25.235 INFO kablam! 
Aug 02 13:49:25.839 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:49:25.839 INFO kablam!  --> benches/benchmark.rs:1:1
Aug 02 13:49:25.839 INFO kablam!   |
Aug 02 13:49:25.839 INFO kablam! 1 | #![feature(test)]
Aug 02 13:49:25.839 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 13:49:25.839 INFO kablam! 
Aug 02 13:49:25.840 INFO kablam! error: aborting due to previous error
Aug 02 13:49:25.840 INFO kablam! 
Aug 02 13:49:25.840 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:49:25.852 INFO kablam! error: Could not compile `brain-brainfuck`.
Aug 02 13:49:25.852 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:49:26.831 INFO kablam! error: build failed
Aug 02 13:49:26.835 INFO kablam! su: No module specific data is present
Aug 02 13:49:27.685 INFO running `"docker" "rm" "-f" "d5b3fefed9f323a6d0afe339b3d0569ddd8bc2483062f2b402935946ced4b527"`
Aug 02 13:49:27.866 INFO blam! d5b3fefed9f323a6d0afe339b3d0569ddd8bc2483062f2b402935946ced4b527