Sep 06 09:48:39.863 INFO checking atomic_cell-0.1.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 09:48:39.863 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 09:48:39.863 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 09:48:40.018 INFO blam! cc12e34933e8f4cfb44254c7da60d9cd803e02274cc84affbc216e4b61741353
Sep 06 09:48:40.020 INFO running `"docker" "start" "-a" "cc12e34933e8f4cfb44254c7da60d9cd803e02274cc84affbc216e4b61741353"`
Sep 06 09:48:40.612 INFO kablam! usermod: no changes
Sep 06 09:48:40.646 INFO kablam!     Checking vec_map v0.3.0
Sep 06 09:48:40.647 INFO kablam!     Checking atomic_cell v0.1.0 (file:///source)
Sep 06 09:48:41.066 INFO kablam! warning: variable does not need to be mutable
Sep 06 09:48:41.066 INFO kablam!    --> src/lib.rs:394:43
Sep 06 09:48:41.066 INFO kablam!     |
Sep 06 09:48:41.066 INFO kablam! 394 |         let old_ptr = self.with_lock_mut(|mut ptr : &mut*mut T| {
Sep 06 09:48:41.066 INFO kablam!     |                                           ----^^^
Sep 06 09:48:41.066 INFO kablam!     |                                           |
Sep 06 09:48:41.066 INFO kablam!     |                                           help: remove this `mut`
Sep 06 09:48:41.066 INFO kablam!     |
Sep 06 09:48:41.066 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 09:48:41.066 INFO kablam! 
Sep 06 09:48:41.070 INFO kablam! error[E0635]: unknown feature `catch_panic`
Sep 06 09:48:41.070 INFO kablam!  --> src/lib.rs:2:12
Sep 06 09:48:41.070 INFO kablam!   |
Sep 06 09:48:41.070 INFO kablam! 2 | #![feature(catch_panic)] // For testing
Sep 06 09:48:41.070 INFO kablam!   |            ^^^^^^^^^^^
Sep 06 09:48:41.070 INFO kablam! 
Sep 06 09:48:41.082 INFO kablam! error: aborting due to previous error
Sep 06 09:48:41.082 INFO kablam! 
Sep 06 09:48:41.082 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 09:48:41.098 INFO kablam! error: Could not compile `atomic_cell`.
Sep 06 09:48:41.098 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 09:48:41.196 INFO kablam! error: build failed
Sep 06 09:48:41.196 INFO kablam! su: No module specific data is present
Sep 06 09:48:42.016 INFO running `"docker" "rm" "-f" "cc12e34933e8f4cfb44254c7da60d9cd803e02274cc84affbc216e4b61741353"`
Sep 06 09:48:42.085 INFO blam! cc12e34933e8f4cfb44254c7da60d9cd803e02274cc84affbc216e4b61741353