Sep 14 19:31:37.111 INFO checking atomic_cell-0.1.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 19:31:37.111 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 19:31:37.111 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-2/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 19:31:37.276 INFO blam! d7581b1c8f35c751a385e4dfbd6835a86ac55d14441ee803a8a021d0df386582
Sep 14 19:31:37.277 INFO running `"docker" "start" "-a" "d7581b1c8f35c751a385e4dfbd6835a86ac55d14441ee803a8a021d0df386582"`
Sep 14 19:31:38.007 INFO kablam! usermod: no changes
Sep 14 19:31:38.042 INFO kablam!     Checking vec_map v0.3.0
Sep 14 19:31:38.043 INFO kablam!     Checking atomic_cell v0.1.0 (file:///source)
Sep 14 19:31:38.369 INFO kablam! warning: variable does not need to be mutable
Sep 14 19:31:38.369 INFO kablam!    --> src/lib.rs:394:43
Sep 14 19:31:38.369 INFO kablam!     |
Sep 14 19:31:38.369 INFO kablam! 394 |         let old_ptr = self.with_lock_mut(|mut ptr : &mut*mut T| {
Sep 14 19:31:38.369 INFO kablam!     |                                           ----^^^
Sep 14 19:31:38.369 INFO kablam!     |                                           |
Sep 14 19:31:38.369 INFO kablam!     |                                           help: remove this `mut`
Sep 14 19:31:38.369 INFO kablam!     |
Sep 14 19:31:38.369 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 19:31:38.370 INFO kablam! 
Sep 14 19:31:38.370 INFO kablam! error[E0635]: unknown feature `catch_panic`
Sep 14 19:31:38.370 INFO kablam!  --> src/lib.rs:2:12
Sep 14 19:31:38.370 INFO kablam!   |
Sep 14 19:31:38.370 INFO kablam! 2 | #![feature(catch_panic)] // For testing
Sep 14 19:31:38.370 INFO kablam!   |            ^^^^^^^^^^^
Sep 14 19:31:38.370 INFO kablam! 
Sep 14 19:31:38.399 INFO kablam! error: aborting due to previous error
Sep 14 19:31:38.399 INFO kablam! 
Sep 14 19:31:38.399 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 19:31:38.404 INFO kablam! error: Could not compile `atomic_cell`.
Sep 14 19:31:38.404 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 19:31:38.519 INFO kablam! error: build failed
Sep 14 19:31:38.519 INFO kablam! su: No module specific data is present
Sep 14 19:31:39.019 INFO running `"docker" "rm" "-f" "d7581b1c8f35c751a385e4dfbd6835a86ac55d14441ee803a8a021d0df386582"`
Sep 14 19:31:39.093 INFO blam! d7581b1c8f35c751a385e4dfbd6835a86ac55d14441ee803a8a021d0df386582