Aug 02 15:22:45.853 INFO checking acon-0.5.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 15:22:45.853 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 15:22:45.853 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 15:22:45.853 INFO running `"docker" "create" "-v" "/tmp/crater.COpFgNKHZvHa:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+tmplazy:/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 15:22:46.234 INFO blam! 1b2d24ab0c5e59c8026400634c44d586dfdd88e8a4d7f9f0d3db6f172340b522
Aug 02 15:22:46.236 INFO running `"docker" "start" "-a" "1b2d24ab0c5e59c8026400634c44d586dfdd88e8a4d7f9f0d3db6f172340b522"`
Aug 02 15:22:48.389 INFO kablam!     Checking acon v0.5.1 (file:///source)
Aug 02 15:22:49.108 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 15:22:49.108 INFO kablam!    --> src/lib.rs:110:1
Aug 02 15:22:49.108 INFO kablam!     |
Aug 02 15:22:49.108 INFO kablam! 110 | #![feature(test)]
Aug 02 15:22:49.108 INFO kablam!     | ^^^^^^^^^^^^^^^^^
Aug 02 15:22:49.108 INFO kablam! 
Aug 02 15:22:49.110 INFO kablam! error: aborting due to previous error
Aug 02 15:22:49.110 INFO kablam! 
Aug 02 15:22:49.110 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 15:22:49.119 INFO kablam! error: Could not compile `acon`.
Aug 02 15:22:49.119 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 15:22:49.265 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 15:22:49.265 INFO kablam!    --> src/lib.rs:110:1
Aug 02 15:22:49.265 INFO kablam!     |
Aug 02 15:22:49.265 INFO kablam! 110 | #![feature(test)]
Aug 02 15:22:49.265 INFO kablam!     | ^^^^^^^^^^^^^^^^^
Aug 02 15:22:49.265 INFO kablam! 
Aug 02 15:22:49.269 INFO kablam! error: aborting due to previous error
Aug 02 15:22:49.269 INFO kablam! 
Aug 02 15:22:49.269 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 15:22:49.276 INFO kablam! error: Could not compile `acon`.
Aug 02 15:22:49.276 INFO kablam! 
Aug 02 15:22:49.276 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 15:22:49.277 INFO kablam! su: No module specific data is present
Aug 02 15:22:50.389 INFO running `"docker" "rm" "-f" "1b2d24ab0c5e59c8026400634c44d586dfdd88e8a4d7f9f0d3db6f172340b522"`
Aug 02 15:22:50.558 INFO blam! 1b2d24ab0c5e59c8026400634c44d586dfdd88e8a4d7f9f0d3db6f172340b522