Aug 02 13:11:38.270 INFO checking cask-0.7.1 against 1.27.2 for lazy_static-1
Aug 02 13:11:38.270 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:11:38.270 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:11:38.270 INFO running `"docker" "create" "-v" "/tmp/crater.JOVummrjv2H7:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 13:11:38.510 INFO blam! 765706fc63a2ddbc24d6f5bdc1da197d62324651cd9f9181995d45c0dad2e1bb
Aug 02 13:11:38.510 INFO running `"docker" "start" "-a" "765706fc63a2ddbc24d6f5bdc1da197d62324651cd9f9181995d45c0dad2e1bb"`
Aug 02 13:11:39.954 INFO kablam!     Checking byteorder v1.0.0
Aug 02 13:11:39.956 INFO kablam!    Compiling xxhash-sys v0.1.0
Aug 02 13:11:47.316 INFO kablam!     Checking xxhash2 v0.1.0
Aug 02 13:11:48.070 INFO kablam!     Checking cask v0.7.1 (file:///source)
Aug 02 13:11:54.243 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:11:54.244 INFO kablam!  --> benches/cask.rs:1:1
Aug 02 13:11:54.244 INFO kablam!   |
Aug 02 13:11:54.244 INFO kablam! 1 | #![feature(test)]
Aug 02 13:11:54.244 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 13:11:54.244 INFO kablam! 
Aug 02 13:11:54.244 INFO kablam! error: aborting due to previous error
Aug 02 13:11:54.244 INFO kablam! 
Aug 02 13:11:54.244 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:11:54.264 INFO kablam! error: Could not compile `cask`.
Aug 02 13:11:54.264 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:11:54.514 INFO kablam! error: build failed
Aug 02 13:11:54.515 INFO kablam! su: No module specific data is present
Aug 02 13:11:55.067 INFO running `"docker" "rm" "-f" "765706fc63a2ddbc24d6f5bdc1da197d62324651cd9f9181995d45c0dad2e1bb"`
Aug 02 13:11:55.223 INFO blam! 765706fc63a2ddbc24d6f5bdc1da197d62324651cd9f9181995d45c0dad2e1bb