Aug 01 16:50:04.965 INFO checking echochamber/rust_chat against 1.27.2 for lazy_static-1
Aug 01 16:50:04.965 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:50:04.965 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:50:04.966 INFO running `"docker" "create" "-v" "/tmp/crater.Lu7zf26ib4f7:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 01 16:50:05.235 INFO blam! b390e05ed4b0c019b06375b0bf1241a755bc0db6ef1336e9ad0f13dee9fe7a6e
Aug 01 16:50:05.238 INFO running `"docker" "start" "-a" "b390e05ed4b0c019b06375b0bf1241a755bc0db6ef1336e9ad0f13dee9fe7a6e"`
Aug 01 16:50:06.289 INFO kablam!     Checking libc v0.1.12
Aug 01 16:50:06.289 INFO kablam!     Checking bitflags v0.1.1
Aug 01 16:50:06.289 INFO kablam!     Checking bytes v0.2.11
Aug 01 16:50:06.292 INFO kablam!     Checking winapi v0.1.23
Aug 01 16:50:08.482 INFO kablam!     Checking nix v0.3.10
Aug 01 16:50:12.203 INFO kablam!     Checking mio v0.4.4
Aug 01 16:50:14.204 INFO kablam!     Checking simple_chat v0.1.0 (file:///source)
Aug 01 16:50:14.500 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:50:14.500 INFO kablam!  --> src/main.rs:1:1
Aug 01 16:50:14.500 INFO kablam!   |
Aug 01 16:50:14.500 INFO kablam! 1 | #![feature(convert)]
Aug 01 16:50:14.500 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 01 16:50:14.500 INFO kablam! 
Aug 01 16:50:14.500 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:50:14.500 INFO kablam!  --> src/main.rs:2:1
Aug 01 16:50:14.500 INFO kablam!   |
Aug 01 16:50:14.500 INFO kablam! 2 | #![feature(ip_addr)]
Aug 01 16:50:14.500 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 01 16:50:14.500 INFO kablam! 
Aug 01 16:50:14.501 INFO kablam! error: aborting due to 2 previous errors
Aug 01 16:50:14.501 INFO kablam! 
Aug 01 16:50:14.501 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:50:14.507 INFO kablam! error: Could not compile `simple_chat`.
Aug 01 16:50:14.508 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 16:50:14.544 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:50:14.544 INFO kablam!  --> src/main.rs:1:1
Aug 01 16:50:14.544 INFO kablam!   |
Aug 01 16:50:14.544 INFO kablam! 1 | #![feature(convert)]
Aug 01 16:50:14.544 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 01 16:50:14.544 INFO kablam! 
Aug 01 16:50:14.544 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:50:14.544 INFO kablam!  --> src/main.rs:2:1
Aug 01 16:50:14.544 INFO kablam!   |
Aug 01 16:50:14.544 INFO kablam! 2 | #![feature(ip_addr)]
Aug 01 16:50:14.544 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 01 16:50:14.544 INFO kablam! 
Aug 01 16:50:14.545 INFO kablam! error: aborting due to 2 previous errors
Aug 01 16:50:14.545 INFO kablam! 
Aug 01 16:50:14.545 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:50:14.551 INFO kablam! error: Could not compile `simple_chat`.
Aug 01 16:50:14.551 INFO kablam! 
Aug 01 16:50:14.551 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 16:50:14.552 INFO kablam! su: No module specific data is present
Aug 01 16:50:15.098 INFO running `"docker" "rm" "-f" "b390e05ed4b0c019b06375b0bf1241a755bc0db6ef1336e9ad0f13dee9fe7a6e"`
Aug 01 16:50:15.269 INFO blam! b390e05ed4b0c019b06375b0bf1241a755bc0db6ef1336e9ad0f13dee9fe7a6e