Aug 02 10:28:30.884 INFO checking exprtk_rs-0.0.5 against 1.27.2 for lazy_static-1
Aug 02 10:28:30.884 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:28:30.884 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:28:30.885 INFO running `"docker" "create" "-v" "/tmp/crater.rJZmWERtB3Tv:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 10:28:31.097 INFO blam! 75d8b94bfe5d7f452f02445711666c36a8d9f527d04c166276bfa1af19b75106
Aug 02 10:28:31.100 INFO running `"docker" "start" "-a" "75d8b94bfe5d7f452f02445711666c36a8d9f527d04c166276bfa1af19b75106"`
Aug 02 10:28:31.871 INFO kablam!    Compiling exprtk_sys v0.0.5
Aug 02 10:29:30.135 INFO kablam!     Checking exprtk_rs v0.0.5 (file:///source)
Aug 02 10:29:32.890 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:29:32.890 INFO kablam!  --> benches/benches.rs:1:1
Aug 02 10:29:32.890 INFO kablam!   |
Aug 02 10:29:32.890 INFO kablam! 1 | #![feature(test)]
Aug 02 10:29:32.890 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 10:29:32.896 INFO kablam! 
Aug 02 10:29:32.898 INFO kablam! error: aborting due to previous error
Aug 02 10:29:32.898 INFO kablam! 
Aug 02 10:29:32.898 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:29:32.906 INFO kablam! error: Could not compile `exprtk_rs`.
Aug 02 10:29:32.906 INFO kablam! 
Aug 02 10:29:32.906 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 10:29:32.907 INFO kablam! su: No module specific data is present
Aug 02 10:29:33.492 INFO running `"docker" "rm" "-f" "75d8b94bfe5d7f452f02445711666c36a8d9f527d04c166276bfa1af19b75106"`
Aug 02 10:29:33.680 INFO blam! 75d8b94bfe5d7f452f02445711666c36a8d9f527d04c166276bfa1af19b75106