Aug 01 19:04:06.708 INFO checking w5500-0.1.5 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:04:06.708 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:04:06.708 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:04:06.708 INFO running `"docker" "create" "-v" "/tmp/crater.RM1ihBJcZiMH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 01 19:04:06.965 INFO blam! 0a24d23e88dcad75266b1df30ae20e9fac71011ecef811c27d9fa0510d379e8e
Aug 01 19:04:06.967 INFO running `"docker" "start" "-a" "0a24d23e88dcad75266b1df30ae20e9fac71011ecef811c27d9fa0510d379e8e"`
Aug 01 19:04:07.938 INFO kablam!     Checking nb v0.1.1
Aug 01 19:04:07.940 INFO kablam!     Checking byteorder v1.2.4
Aug 01 19:04:08.449 INFO kablam!     Checking embedded-hal v0.2.1
Aug 01 19:04:09.217 INFO kablam!     Checking w5500 v0.1.5 (file:///source)
Aug 01 19:04:09.653 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:04:09.653 INFO kablam!  --> src/lib.rs:3:1
Aug 01 19:04:09.653 INFO kablam!   |
Aug 01 19:04:09.653 INFO kablam! 3 | #![feature(const_fn)]
Aug 01 19:04:09.653 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:04:09.653 INFO kablam! 
Aug 01 19:04:09.654 INFO kablam! error: aborting due to previous error
Aug 01 19:04:09.654 INFO kablam! 
Aug 01 19:04:09.655 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:04:09.661 INFO kablam! error: Could not compile `w5500`.
Aug 01 19:04:09.661 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:04:09.699 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:04:09.699 INFO kablam!  --> src/lib.rs:3:1
Aug 01 19:04:09.699 INFO kablam!   |
Aug 01 19:04:09.699 INFO kablam! 3 | #![feature(const_fn)]
Aug 01 19:04:09.700 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:04:09.700 INFO kablam! 
Aug 01 19:04:09.702 INFO kablam! error: aborting due to previous error
Aug 01 19:04:09.702 INFO kablam! 
Aug 01 19:04:09.702 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:04:09.710 INFO kablam! error: Could not compile `w5500`.
Aug 01 19:04:09.710 INFO kablam! 
Aug 01 19:04:09.710 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 19:04:09.711 INFO kablam! su: No module specific data is present
Aug 01 19:04:10.240 INFO running `"docker" "rm" "-f" "0a24d23e88dcad75266b1df30ae20e9fac71011ecef811c27d9fa0510d379e8e"`
Aug 01 19:04:10.409 INFO blam! 0a24d23e88dcad75266b1df30ae20e9fac71011ecef811c27d9fa0510d379e8e