Sep 21 13:14:47.253 INFO checking atomic_cell-0.1.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 13:14:47.253 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 13:14:47.253 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 13:14:47.426 INFO blam! e0ca6e81f114b5eee5ec6ef0fb1d2cb1943abf6fe031e30848430a7769d86a90
Sep 21 13:14:47.428 INFO running `"docker" "start" "-a" "e0ca6e81f114b5eee5ec6ef0fb1d2cb1943abf6fe031e30848430a7769d86a90"`
Sep 21 13:14:48.180 INFO kablam! usermod: no changes
Sep 21 13:14:48.210 INFO kablam!     Checking vec_map v0.3.0
Sep 21 13:14:48.210 INFO kablam!     Checking atomic_cell v0.1.0 (/source)
Sep 21 13:14:48.462 INFO kablam! warning: variable does not need to be mutable
Sep 21 13:14:48.462 INFO kablam!    --> src/lib.rs:394:43
Sep 21 13:14:48.462 INFO kablam!     |
Sep 21 13:14:48.462 INFO kablam! 394 |         let old_ptr = self.with_lock_mut(|mut ptr : &mut*mut T| {
Sep 21 13:14:48.462 INFO kablam!     |                                           ----^^^
Sep 21 13:14:48.462 INFO kablam!     |                                           |
Sep 21 13:14:48.462 INFO kablam!     |                                           help: remove this `mut`
Sep 21 13:14:48.462 INFO kablam!     |
Sep 21 13:14:48.462 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 13:14:48.462 INFO kablam! 
Sep 21 13:14:48.462 INFO kablam! error[E0635]: unknown feature `catch_panic`
Sep 21 13:14:48.462 INFO kablam!  --> src/lib.rs:2:12
Sep 21 13:14:48.462 INFO kablam!   |
Sep 21 13:14:48.462 INFO kablam! 2 | #![feature(catch_panic)] // For testing
Sep 21 13:14:48.462 INFO kablam!   |            ^^^^^^^^^^^
Sep 21 13:14:48.462 INFO kablam! 
Sep 21 13:14:48.481 INFO kablam! error: aborting due to previous error
Sep 21 13:14:48.482 INFO kablam! 
Sep 21 13:14:48.482 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 21 13:14:48.482 INFO kablam! error: Could not compile `atomic_cell`.
Sep 21 13:14:48.482 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 13:14:48.606 INFO kablam! error: build failed
Sep 21 13:14:48.607 INFO kablam! su: No module specific data is present
Sep 21 13:14:49.238 INFO running `"docker" "rm" "-f" "e0ca6e81f114b5eee5ec6ef0fb1d2cb1943abf6fe031e30848430a7769d86a90"`
Sep 21 13:14:49.303 INFO blam! e0ca6e81f114b5eee5ec6ef0fb1d2cb1943abf6fe031e30848430a7769d86a90