Aug 02 13:49:21.133 INFO checking brain-brainfuck-1.3.0 against 1.27.2 for lazy_static-1
Aug 02 13:49:21.133 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:49:21.133 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:49:21.133 INFO running `"docker" "create" "-v" "/tmp/crater.vmK4wGnw43vH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 13:49:21.406 INFO blam! 209daa8ef1bb5a5c525e65ce8dba9ae2d21de460ff2721a16a3b9e2aafbaed1c
Aug 02 13:49:21.426 INFO running `"docker" "start" "-a" "209daa8ef1bb5a5c525e65ce8dba9ae2d21de460ff2721a16a3b9e2aafbaed1c"`
Aug 02 13:49:22.430 INFO kablam!     Checking brain-brainfuck v1.3.0 (file:///source)
Aug 02 13:49:23.706 INFO kablam! warning: variable does not need to be mutable
Aug 02 13:49:23.706 INFO kablam!    --> src/interpreter.rs:100:18
Aug 02 13:49:23.706 INFO kablam!     |
Aug 02 13:49:23.706 INFO kablam! 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
Aug 02 13:49:23.706 INFO kablam!     |                  ----^^^^^^^
Aug 02 13:49:23.706 INFO kablam!     |                  |
Aug 02 13:49:23.706 INFO kablam!     |                  help: remove this `mut`
Aug 02 13:49:23.707 INFO kablam!     |
Aug 02 13:49:23.707 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 13:49:23.707 INFO kablam! 
Aug 02 13:49:25.663 INFO kablam! warning: variable does not need to be mutable
Aug 02 13:49:25.663 INFO kablam!    --> src/interpreter.rs:100:18
Aug 02 13:49:25.663 INFO kablam!     |
Aug 02 13:49:25.663 INFO kablam! 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
Aug 02 13:49:25.663 INFO kablam!     |                  ----^^^^^^^
Aug 02 13:49:25.663 INFO kablam!     |                  |
Aug 02 13:49:25.663 INFO kablam!     |                  help: remove this `mut`
Aug 02 13:49:25.663 INFO kablam!     |
Aug 02 13:49:25.663 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 13:49:25.663 INFO kablam! 
Aug 02 13:49:25.830 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:49:25.830 INFO kablam!  --> benches/benchmark.rs:1:1
Aug 02 13:49:25.830 INFO kablam!   |
Aug 02 13:49:25.831 INFO kablam! 1 | #![feature(test)]
Aug 02 13:49:25.831 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 13:49:25.840 INFO kablam! 
Aug 02 13:49:25.841 INFO kablam! error: aborting due to previous error
Aug 02 13:49:25.841 INFO kablam! 
Aug 02 13:49:25.842 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:49:25.861 INFO kablam! error: Could not compile `brain-brainfuck`.
Aug 02 13:49:25.861 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:49:26.525 INFO kablam! error: build failed
Aug 02 13:49:26.527 INFO kablam! su: No module specific data is present
Aug 02 13:49:27.167 INFO running `"docker" "rm" "-f" "209daa8ef1bb5a5c525e65ce8dba9ae2d21de460ff2721a16a3b9e2aafbaed1c"`
Aug 02 13:49:27.374 INFO blam! 209daa8ef1bb5a5c525e65ce8dba9ae2d21de460ff2721a16a3b9e2aafbaed1c