Aug 02 12:08:36.710 INFO checking crossbeam-epoch-0.5.1 against 1.27.2 for lazy_static-1
Aug 02 12:08:36.711 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:08:36.711 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:08:36.711 INFO running `"docker" "create" "-v" "/tmp/crater.d1dOQG2IKunc:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 12:08:36.952 INFO blam! b4a5d6ade83c275d85d34e5792b1407ce662387e403668e43ed2c9ebe438238c
Aug 02 12:08:36.955 INFO running `"docker" "start" "-a" "b4a5d6ade83c275d85d34e5792b1407ce662387e403668e43ed2c9ebe438238c"`
Aug 02 12:08:38.396 INFO kablam!     Checking crossbeam-utils v0.4.1
Aug 02 12:08:39.013 INFO kablam!     Checking crossbeam-epoch v0.5.1 (file:///source)
Aug 02 12:08:42.103 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:08:42.103 INFO kablam!  --> benches/defer.rs:1:1
Aug 02 12:08:42.103 INFO kablam!   |
Aug 02 12:08:42.103 INFO kablam! 1 | #![feature(test)]
Aug 02 12:08:42.103 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:08:42.103 INFO kablam! 
Aug 02 12:08:42.104 INFO kablam! error: aborting due to previous error
Aug 02 12:08:42.104 INFO kablam! 
Aug 02 12:08:42.105 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:08:42.113 INFO kablam! error: Could not compile `crossbeam-epoch`.
Aug 02 12:08:42.113 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:08:42.115 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:08:42.116 INFO kablam!  --> benches/flush.rs:1:1
Aug 02 12:08:42.116 INFO kablam!   |
Aug 02 12:08:42.116 INFO kablam! 1 | #![feature(test)]
Aug 02 12:08:42.116 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:08:42.116 INFO kablam! 
Aug 02 12:08:42.116 INFO kablam! error: aborting due to previous error
Aug 02 12:08:42.116 INFO kablam! 
Aug 02 12:08:42.116 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:08:42.135 INFO kablam! error: Could not compile `crossbeam-epoch`.
Aug 02 12:08:42.142 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:08:42.384 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:08:42.384 INFO kablam!  --> benches/pin.rs:1:1
Aug 02 12:08:42.384 INFO kablam!   |
Aug 02 12:08:42.385 INFO kablam! 1 | #![feature(test)]
Aug 02 12:08:42.385 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:08:42.385 INFO kablam! 
Aug 02 12:08:42.385 INFO kablam! error: aborting due to previous error
Aug 02 12:08:42.385 INFO kablam! 
Aug 02 12:08:42.385 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:08:42.392 INFO kablam! error: Could not compile `crossbeam-epoch`.
Aug 02 12:08:42.392 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:08:42.529 INFO kablam! error: build failed
Aug 02 12:08:42.533 INFO kablam! su: No module specific data is present
Aug 02 12:08:43.130 INFO running `"docker" "rm" "-f" "b4a5d6ade83c275d85d34e5792b1407ce662387e403668e43ed2c9ebe438238c"`
Aug 02 12:08:43.272 INFO blam! b4a5d6ade83c275d85d34e5792b1407ce662387e403668e43ed2c9ebe438238c