Aug 02 07:27:29.902 INFO checking hamt-sync-0.2.5 against 1.27.2 for lazy_static-1
Aug 02 07:27:29.902 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:27:29.902 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:27:29.902 INFO running `"docker" "create" "-v" "/tmp/crater.YUY7YPlZm7ea:/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 07:27:30.162 INFO blam! 72c7fa9d7cfd20655095b0508bba52d392f95cecc0a025e0d6667e7ce09305c6
Aug 02 07:27:30.165 INFO running `"docker" "start" "-a" "72c7fa9d7cfd20655095b0508bba52d392f95cecc0a025e0d6667e7ce09305c6"`
Aug 02 07:27:31.131 INFO kablam!     Checking hamt-sync v0.2.5 (file:///source)
Aug 02 07:27:32.047 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:27:32.047 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:27:32.047 INFO kablam!   |
Aug 02 07:27:32.047 INFO kablam! 1 | #![feature(test)]
Aug 02 07:27:32.047 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 07:27:32.048 INFO kablam! 
Aug 02 07:27:32.065 INFO kablam! error: aborting due to previous error
Aug 02 07:27:32.065 INFO kablam! 
Aug 02 07:27:32.065 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:27:32.072 INFO kablam! error: Could not compile `hamt-sync`.
Aug 02 07:27:32.072 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 07:27:32.388 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:27:32.389 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:27:32.389 INFO kablam!   |
Aug 02 07:27:32.389 INFO kablam! 1 | #![feature(test)]
Aug 02 07:27:32.389 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 07:27:32.389 INFO kablam! 
Aug 02 07:27:32.394 INFO kablam! error: aborting due to previous error
Aug 02 07:27:32.394 INFO kablam! 
Aug 02 07:27:32.394 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:27:32.403 INFO kablam! error: Could not compile `hamt-sync`.
Aug 02 07:27:32.404 INFO kablam! 
Aug 02 07:27:32.404 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 07:27:32.405 INFO kablam! su: No module specific data is present
Aug 02 07:27:33.176 INFO running `"docker" "rm" "-f" "72c7fa9d7cfd20655095b0508bba52d392f95cecc0a025e0d6667e7ce09305c6"`
Aug 02 07:27:33.343 INFO blam! 72c7fa9d7cfd20655095b0508bba52d392f95cecc0a025e0d6667e7ce09305c6