Sep 05 02:36:37.978 INFO checking atomic_cell-0.1.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 05 02:36:37.978 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 05 02:36:37.978 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 02:36:38.123 INFO blam! 8419c60e3c487b21babaee303b4b97a4179ba94df7a32764b4e6d9b431fbdce3
Sep 05 02:36:38.124 INFO running `"docker" "start" "-a" "8419c60e3c487b21babaee303b4b97a4179ba94df7a32764b4e6d9b431fbdce3"`
Sep 05 02:36:39.187 INFO kablam!     Checking atomic_cell v0.1.0 (file:///source)
Sep 05 02:36:39.187 INFO kablam!     Checking telemetry v0.1.1
Sep 05 02:36:39.875 INFO kablam! warning: variable does not need to be mutable
Sep 05 02:36:39.875 INFO kablam!    --> src/lib.rs:394:43
Sep 05 02:36:39.875 INFO kablam!     |
Sep 05 02:36:39.875 INFO kablam! 394 |         let old_ptr = self.with_lock_mut(|mut ptr : &mut*mut T| {
Sep 05 02:36:39.875 INFO kablam!     |                                           ----^^^
Sep 05 02:36:39.875 INFO kablam!     |                                           |
Sep 05 02:36:39.875 INFO kablam!     |                                           help: remove this `mut`
Sep 05 02:36:39.875 INFO kablam!     |
Sep 05 02:36:39.875 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 02:36:39.875 INFO kablam! 
Sep 05 02:36:39.879 INFO kablam! error[E0635]: unknown feature `catch_panic`
Sep 05 02:36:39.880 INFO kablam!  --> src/lib.rs:2:12
Sep 05 02:36:39.880 INFO kablam!   |
Sep 05 02:36:39.880 INFO kablam! 2 | #![feature(catch_panic)] // For testing
Sep 05 02:36:39.880 INFO kablam!   |            ^^^^^^^^^^^
Sep 05 02:36:39.880 INFO kablam! 
Sep 05 02:36:39.896 INFO kablam! error: aborting due to previous error
Sep 05 02:36:39.896 INFO kablam! 
Sep 05 02:36:39.896 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 05 02:36:39.901 INFO kablam! error: Could not compile `atomic_cell`.
Sep 05 02:36:39.901 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 02:36:40.256 INFO kablam! error: build failed
Sep 05 02:36:40.257 INFO kablam! su: No module specific data is present
Sep 05 02:36:40.730 INFO running `"docker" "rm" "-f" "8419c60e3c487b21babaee303b4b97a4179ba94df7a32764b4e6d9b431fbdce3"`
Sep 05 02:36:40.825 INFO blam! 8419c60e3c487b21babaee303b4b97a4179ba94df7a32764b4e6d9b431fbdce3