Aug 02 14:12:15.139 INFO checking binary-tree-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 14:12:15.139 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:12:15.139 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:12:15.139 INFO running `"docker" "create" "-v" "/tmp/crater.vCsPqrjY6eLw:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 14:12:15.350 INFO blam! fea808c3897be9501925c2d8f9b38cee9656f55393be6ba23a3ea2a41e170a6d
Aug 02 14:12:15.353 INFO running `"docker" "start" "-a" "fea808c3897be9501925c2d8f9b38cee9656f55393be6ba23a3ea2a41e170a6d"`
Aug 02 14:12:16.688 INFO kablam!     Checking binary-tree v0.2.0 (file:///source)
Aug 02 14:12:20.013 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:12:20.014 INFO kablam!  --> benches/remove.rs:1:1
Aug 02 14:12:20.014 INFO kablam!   |
Aug 02 14:12:20.014 INFO kablam! 1 | #![feature(test)]
Aug 02 14:12:20.014 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:12:20.014 INFO kablam! 
Aug 02 14:12:20.014 INFO kablam! error: aborting due to previous error
Aug 02 14:12:20.014 INFO kablam! 
Aug 02 14:12:20.014 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:12:20.037 INFO kablam! error: Could not compile `binary-tree`.
Aug 02 14:12:20.038 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:12:20.310 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:12:20.310 INFO kablam!  --> benches/from_iter.rs:1:1
Aug 02 14:12:20.310 INFO kablam!   |
Aug 02 14:12:20.310 INFO kablam! 1 | #![feature(test)]
Aug 02 14:12:20.310 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:12:20.310 INFO kablam! 
Aug 02 14:12:20.311 INFO kablam! error: aborting due to previous error
Aug 02 14:12:20.311 INFO kablam! 
Aug 02 14:12:20.311 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:12:20.332 INFO kablam! error: Could not compile `binary-tree`.
Aug 02 14:12:20.332 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:12:20.668 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:12:20.668 INFO kablam!  --> benches/insert.rs:1:1
Aug 02 14:12:20.669 INFO kablam!   |
Aug 02 14:12:20.669 INFO kablam! 1 | #![feature(test)]
Aug 02 14:12:20.669 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:12:20.669 INFO kablam! 
Aug 02 14:12:20.669 INFO kablam! error: aborting due to previous error
Aug 02 14:12:20.669 INFO kablam! 
Aug 02 14:12:20.669 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:12:20.681 INFO kablam! error: Could not compile `binary-tree`.
Aug 02 14:12:20.681 INFO kablam! 
Aug 02 14:12:20.681 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 14:12:20.682 INFO kablam! su: No module specific data is present
Aug 02 14:12:21.501 INFO running `"docker" "rm" "-f" "fea808c3897be9501925c2d8f9b38cee9656f55393be6ba23a3ea2a41e170a6d"`
Aug 02 14:12:21.694 INFO blam! fea808c3897be9501925c2d8f9b38cee9656f55393be6ba23a3ea2a41e170a6d