Sep 21 13:14:47.466 INFO checking atomic_cell-0.1.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 13:14:47.466 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 13:14:47.466 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 13:14:47.631 INFO blam! 9197acf60279852356141a534185b70128660a618487a1381f70a392f307fef6
Sep 21 13:14:47.633 INFO running `"docker" "start" "-a" "9197acf60279852356141a534185b70128660a618487a1381f70a392f307fef6"`
Sep 21 13:14:48.402 INFO kablam! usermod: no changes
Sep 21 13:14:48.434 INFO kablam!     Checking vec_map v0.3.0
Sep 21 13:14:48.434 INFO kablam!     Checking atomic_cell v0.1.0 (/source)
Sep 21 13:14:48.766 INFO kablam! warning: variable does not need to be mutable
Sep 21 13:14:48.766 INFO kablam!    --> src/lib.rs:394:43
Sep 21 13:14:48.766 INFO kablam!     |
Sep 21 13:14:48.766 INFO kablam! 394 |         let old_ptr = self.with_lock_mut(|mut ptr : &mut*mut T| {
Sep 21 13:14:48.766 INFO kablam!     |                                           ----^^^
Sep 21 13:14:48.766 INFO kablam!     |                                           |
Sep 21 13:14:48.766 INFO kablam!     |                                           help: remove this `mut`
Sep 21 13:14:48.766 INFO kablam!     |
Sep 21 13:14:48.766 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 13:14:48.766 INFO kablam! 
Sep 21 13:14:48.766 INFO kablam! error[E0635]: unknown feature `catch_panic`
Sep 21 13:14:48.766 INFO kablam!  --> src/lib.rs:2:12
Sep 21 13:14:48.766 INFO kablam!   |
Sep 21 13:14:48.766 INFO kablam! 2 | #![feature(catch_panic)] // For testing
Sep 21 13:14:48.766 INFO kablam!   |            ^^^^^^^^^^^
Sep 21 13:14:48.766 INFO kablam! 
Sep 21 13:14:48.779 INFO kablam! error: aborting due to previous error
Sep 21 13:14:48.779 INFO kablam! 
Sep 21 13:14:48.779 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 21 13:14:48.794 INFO kablam! error: Could not compile `atomic_cell`.
Sep 21 13:14:48.794 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 13:14:48.950 INFO kablam! error: build failed
Sep 21 13:14:48.950 INFO kablam! su: No module specific data is present
Sep 21 13:14:49.746 INFO running `"docker" "rm" "-f" "9197acf60279852356141a534185b70128660a618487a1381f70a392f307fef6"`
Sep 21 13:14:49.807 INFO blam! 9197acf60279852356141a534185b70128660a618487a1381f70a392f307fef6