Sep 06 09:48:40.021 INFO checking atomic_cell-0.1.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 09:48:40.021 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 09:48:40.021 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 09:48:40.195 INFO blam! a5cacb97e695b52c7337a7812d7651b91c09fcc043b40a4a88781d03c7e94789
Sep 06 09:48:40.197 INFO running `"docker" "start" "-a" "a5cacb97e695b52c7337a7812d7651b91c09fcc043b40a4a88781d03c7e94789"`
Sep 06 09:48:40.761 INFO kablam! usermod: no changes
Sep 06 09:48:40.827 INFO kablam!     Checking atomic_cell v0.1.0 (file:///source)
Sep 06 09:48:40.834 INFO kablam!     Checking telemetry v0.1.1
Sep 06 09:48:41.294 INFO kablam! warning: variable does not need to be mutable
Sep 06 09:48:41.294 INFO kablam!    --> src/lib.rs:394:43
Sep 06 09:48:41.294 INFO kablam!     |
Sep 06 09:48:41.294 INFO kablam! 394 |         let old_ptr = self.with_lock_mut(|mut ptr : &mut*mut T| {
Sep 06 09:48:41.294 INFO kablam!     |                                           ----^^^
Sep 06 09:48:41.294 INFO kablam!     |                                           |
Sep 06 09:48:41.294 INFO kablam!     |                                           help: remove this `mut`
Sep 06 09:48:41.294 INFO kablam!     |
Sep 06 09:48:41.294 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 09:48:41.294 INFO kablam! 
Sep 06 09:48:41.302 INFO kablam! error[E0635]: unknown feature `catch_panic`
Sep 06 09:48:41.302 INFO kablam!  --> src/lib.rs:2:12
Sep 06 09:48:41.302 INFO kablam!   |
Sep 06 09:48:41.302 INFO kablam! 2 | #![feature(catch_panic)] // For testing
Sep 06 09:48:41.302 INFO kablam!   |            ^^^^^^^^^^^
Sep 06 09:48:41.310 INFO kablam! 
Sep 06 09:48:41.322 INFO kablam! error: aborting due to previous error
Sep 06 09:48:41.322 INFO kablam! 
Sep 06 09:48:41.322 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 09:48:41.326 INFO kablam! error: Could not compile `atomic_cell`.
Sep 06 09:48:41.326 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 09:48:41.623 INFO kablam! error: build failed
Sep 06 09:48:41.629 INFO kablam! su: No module specific data is present
Sep 06 09:48:42.296 INFO running `"docker" "rm" "-f" "a5cacb97e695b52c7337a7812d7651b91c09fcc043b40a4a88781d03c7e94789"`
Sep 06 09:48:42.401 INFO blam! a5cacb97e695b52c7337a7812d7651b91c09fcc043b40a4a88781d03c7e94789