Aug 02 02:06:52.097 INFO checking pom-1.1.0 against 1.27.2 for lazy_static-1
Aug 02 02:06:52.097 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:06:52.097 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:06:52.097 INFO running `"docker" "create" "-v" "/tmp/crater.kS0K9R2oFdNO:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 02:06:52.356 INFO blam! fd0aa8749ef419e1a2b427d8ead6fcc6207d0df176730b65d00548ec11e26132
Aug 02 02:06:52.358 INFO running `"docker" "start" "-a" "fd0aa8749ef419e1a2b427d8ead6fcc6207d0df176730b65d00548ec11e26132"`
Aug 02 02:06:53.412 INFO kablam!     Checking pom v1.1.0 (file:///source)
Aug 02 02:06:57.080 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:06:57.080 INFO kablam!  --> benches/json.rs:1:1
Aug 02 02:06:57.080 INFO kablam!   |
Aug 02 02:06:57.080 INFO kablam! 1 | #![feature(test)]
Aug 02 02:06:57.080 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 02:06:57.081 INFO kablam! 
Aug 02 02:06:57.081 INFO kablam! error: aborting due to previous error
Aug 02 02:06:57.082 INFO kablam! 
Aug 02 02:06:57.082 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:06:57.099 INFO kablam! error: Could not compile `pom`.
Aug 02 02:06:57.099 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:06:57.283 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:06:57.283 INFO kablam!  --> benches/json_char.rs:1:1
Aug 02 02:06:57.283 INFO kablam!   |
Aug 02 02:06:57.283 INFO kablam! 1 | #![feature(test)]
Aug 02 02:06:57.283 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 02:06:57.283 INFO kablam! 
Aug 02 02:06:57.284 INFO kablam! error: aborting due to previous error
Aug 02 02:06:57.284 INFO kablam! 
Aug 02 02:06:57.284 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:06:57.291 INFO kablam! error: Could not compile `pom`.
Aug 02 02:06:57.292 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:06:57.407 INFO kablam! error: build failed
Aug 02 02:06:57.409 INFO kablam! su: No module specific data is present
Aug 02 02:06:57.951 INFO running `"docker" "rm" "-f" "fd0aa8749ef419e1a2b427d8ead6fcc6207d0df176730b65d00548ec11e26132"`
Aug 02 02:06:58.128 INFO blam! fd0aa8749ef419e1a2b427d8ead6fcc6207d0df176730b65d00548ec11e26132