Aug 02 10:35:16.889 INFO checking exar-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 10:35:16.889 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:35:16.889 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:35:16.889 INFO running `"docker" "create" "-v" "/tmp/crater.CnCH5h67dj4R:/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 10:35:17.168 INFO blam! 5abfa7652a4eb357f777519268fc835fefdb59c53e40b7e4d80d10e00cb0f34c
Aug 02 10:35:17.171 INFO running `"docker" "start" "-a" "5abfa7652a4eb357f777519268fc835fefdb59c53e40b7e4d80d10e00cb0f34c"`
Aug 02 10:35:18.179 INFO kablam!     Checking indexed-line-reader v0.2.0
Aug 02 10:35:18.185 INFO kablam!     Checking exar-testkit v0.1.0
Aug 02 10:35:19.274 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:35:19.274 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/exar-testkit-0.1.0/src/lib.rs:1:1
Aug 02 10:35:19.274 INFO kablam!   |
Aug 02 10:35:19.274 INFO kablam! 1 | #![feature(const_fn)]
Aug 02 10:35:19.274 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:35:19.275 INFO kablam! 
Aug 02 10:35:19.275 INFO kablam! error: aborting due to previous error
Aug 02 10:35:19.275 INFO kablam! 
Aug 02 10:35:19.276 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:35:19.284 INFO kablam! error: Could not compile `exar-testkit`.
Aug 02 10:35:19.284 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:35:19.354 INFO kablam! error: build failed
Aug 02 10:35:19.356 INFO kablam! su: No module specific data is present
Aug 02 10:35:20.106 INFO running `"docker" "rm" "-f" "5abfa7652a4eb357f777519268fc835fefdb59c53e40b7e4d80d10e00cb0f34c"`
Aug 02 10:35:20.292 INFO blam! 5abfa7652a4eb357f777519268fc835fefdb59c53e40b7e4d80d10e00cb0f34c