Aug 01 21:31:41.237 INFO checking ssd1306-0.1.0 against 1.27.2 for lazy_static-1
Aug 01 21:31:41.237 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:31:41.237 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:31:41.237 INFO running `"docker" "create" "-v" "/tmp/crater.K4DSlWNlf0x0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 21:31:41.428 INFO blam! 27c2294cc8af8a384822bf867ac5f8acef85006dcd53f66a2c7a8bd1dc0e7954
Aug 01 21:31:41.428 INFO running `"docker" "start" "-a" "27c2294cc8af8a384822bf867ac5f8acef85006dcd53f66a2c7a8bd1dc0e7954"`
Aug 01 21:31:42.726 INFO kablam!     Checking void v1.0.2
Aug 01 21:31:42.727 INFO kablam!     Checking nb v0.1.1
Aug 01 21:31:42.727 INFO kablam!    Compiling ssd1306 v0.1.0 (file:///source)
Aug 01 21:31:42.727 INFO kablam!     Checking embedded-graphics v0.1.1
Aug 01 21:31:43.249 INFO kablam!     Checking embedded-hal v0.2.1
Aug 01 21:31:43.764 INFO kablam!     Checking embedded-hal v0.1.3
Aug 01 21:31:44.154 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:31:44.154 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/embedded-hal-0.1.3/src/lib.rs:681:1
Aug 01 21:31:44.154 INFO kablam!     |
Aug 01 21:31:44.154 INFO kablam! 681 | #![feature(never_type)]
Aug 01 21:31:44.155 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:31:44.155 INFO kablam! 
Aug 01 21:31:44.159 INFO kablam! error: aborting due to previous error
Aug 01 21:31:44.159 INFO kablam! 
Aug 01 21:31:44.159 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:31:44.173 INFO kablam! error: Could not compile `embedded-hal`.
Aug 01 21:31:44.174 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:31:44.205 INFO kablam! error: build failed
Aug 01 21:31:44.207 INFO kablam! su: No module specific data is present
Aug 01 21:31:44.750 INFO running `"docker" "rm" "-f" "27c2294cc8af8a384822bf867ac5f8acef85006dcd53f66a2c7a8bd1dc0e7954"`
Aug 01 21:31:44.922 INFO blam! 27c2294cc8af8a384822bf867ac5f8acef85006dcd53f66a2c7a8bd1dc0e7954