Aug 02 14:33:55.933 INFO checking atomic_refcell-0.1.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 14:33:55.933 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:33:55.933 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:33:55.933 INFO running `"docker" "create" "-v" "/tmp/crater.UMnQubVyYYnp:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+tmplazy:/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 14:33:56.687 INFO blam! f354424874412b5992c081ad9a953c7e61b0c73fd4d4a2ba036f926563e4aade
Aug 02 14:33:56.689 INFO running `"docker" "start" "-a" "f354424874412b5992c081ad9a953c7e61b0c73fd4d4a2ba036f926563e4aade"`
Aug 02 14:33:59.854 INFO kablam!     Checking atomic_refcell v0.1.1 (file:///source)
Aug 02 14:34:00.865 INFO kablam! warning: unnecessary `unsafe` block
Aug 02 14:34:00.865 INFO kablam!   --> src/lib.rs:78:9
Aug 02 14:34:00.865 INFO kablam!    |
Aug 02 14:34:00.865 INFO kablam! 78 |         unsafe { self.value.into_inner() }
Aug 02 14:34:00.865 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Aug 02 14:34:00.865 INFO kablam!    |
Aug 02 14:34:00.865 INFO kablam!    = note: #[warn(unused_unsafe)] on by default
Aug 02 14:34:00.865 INFO kablam! 
Aug 02 14:34:00.965 INFO kablam! warning: unnecessary `unsafe` block
Aug 02 14:34:00.965 INFO kablam!   --> src/lib.rs:78:9
Aug 02 14:34:00.965 INFO kablam!    |
Aug 02 14:34:00.965 INFO kablam! 78 |         unsafe { self.value.into_inner() }
Aug 02 14:34:00.965 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Aug 02 14:34:00.965 INFO kablam!    |
Aug 02 14:34:00.965 INFO kablam!    = note: #[warn(unused_unsafe)] on by default
Aug 02 14:34:00.965 INFO kablam! 
Aug 02 14:34:01.857 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:34:01.858 INFO kablam!  --> benches/basic.rs:1:1
Aug 02 14:34:01.858 INFO kablam!   |
Aug 02 14:34:01.858 INFO kablam! 1 | #![feature(test)]
Aug 02 14:34:01.858 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:34:01.858 INFO kablam! 
Aug 02 14:34:01.858 INFO kablam! error: aborting due to previous error
Aug 02 14:34:01.858 INFO kablam! 
Aug 02 14:34:01.858 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:34:01.881 INFO kablam! error: Could not compile `atomic_refcell`.
Aug 02 14:34:01.882 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:34:01.907 INFO kablam! error: build failed
Aug 02 14:34:01.907 INFO kablam! su: No module specific data is present
Aug 02 14:34:03.651 INFO running `"docker" "rm" "-f" "f354424874412b5992c081ad9a953c7e61b0c73fd4d4a2ba036f926563e4aade"`
Aug 02 14:34:03.870 INFO blam! f354424874412b5992c081ad9a953c7e61b0c73fd4d4a2ba036f926563e4aade