Aug 02 14:34:38.630 INFO checking atomic_cell-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 14:34:38.630 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:34:38.630 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:34:38.630 INFO running `"docker" "create" "-v" "/tmp/crater.uXDdT3KdLnEt:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 14:34:38.775 INFO blam! e41e645b094af5c9d87d03b2be8598ab509fba62308ef5d8e6f7c9d451fd6a76
Aug 02 14:34:38.777 INFO running `"docker" "start" "-a" "e41e645b094af5c9d87d03b2be8598ab509fba62308ef5d8e6f7c9d451fd6a76"`
Aug 02 14:34:40.140 INFO kablam!     Checking atomic_cell v0.1.0 (file:///source)
Aug 02 14:34:40.141 INFO kablam!     Checking telemetry v0.1.1
Aug 02 14:34:40.687 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:34:40.687 INFO kablam!  --> src/lib.rs:1:1
Aug 02 14:34:40.687 INFO kablam!   |
Aug 02 14:34:40.687 INFO kablam! 1 | #![feature(const_fn)]
Aug 02 14:34:40.687 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:34:40.687 INFO kablam! 
Aug 02 14:34:40.687 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:34:40.687 INFO kablam!  --> src/lib.rs:2:1
Aug 02 14:34:40.687 INFO kablam!   |
Aug 02 14:34:40.687 INFO kablam! 2 | #![feature(catch_panic)] // For testing
Aug 02 14:34:40.687 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:34:40.687 INFO kablam! 
Aug 02 14:34:40.689 INFO kablam! error: aborting due to 2 previous errors
Aug 02 14:34:40.690 INFO kablam! 
Aug 02 14:34:40.690 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:34:40.702 INFO kablam! error: Could not compile `atomic_cell`.
Aug 02 14:34:40.702 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:34:41.148 INFO kablam! error: build failed
Aug 02 14:34:41.149 INFO kablam! su: No module specific data is present
Aug 02 14:34:42.166 INFO running `"docker" "rm" "-f" "e41e645b094af5c9d87d03b2be8598ab509fba62308ef5d8e6f7c9d451fd6a76"`
Aug 02 14:34:42.312 INFO blam! e41e645b094af5c9d87d03b2be8598ab509fba62308ef5d8e6f7c9d451fd6a76