Aug 02 11:56:19.991 INFO checking cvctl-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:56:19.991 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:56:19.991 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:56:19.991 INFO running `"docker" "create" "-v" "/tmp/crater.ReuR7U3lfLYT:/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 02 11:56:20.206 INFO blam! 30ed5c75c9d95bfa2841784cb784d7de8384ca5fc17a96b21c1fad8231c27e65
Aug 02 11:56:20.208 INFO running `"docker" "start" "-a" "30ed5c75c9d95bfa2841784cb784d7de8384ca5fc17a96b21c1fad8231c27e65"`
Aug 02 11:56:21.531 INFO kablam!    Compiling serde_derive v1.0.70
Aug 02 11:56:21.533 INFO kablam!     Checking parity-wasm v0.27.6
Aug 02 11:56:42.599 INFO kablam!     Checking wasm-core v0.2.15
Aug 02 11:56:48.004 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:56:48.004 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:3:1
Aug 02 11:56:48.004 INFO kablam!   |
Aug 02 11:56:48.004 INFO kablam! 3 | #![feature(alloc)]
Aug 02 11:56:48.004 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 02 11:56:48.004 INFO kablam! 
Aug 02 11:56:48.004 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:56:48.004 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:4:1
Aug 02 11:56:48.004 INFO kablam!   |
Aug 02 11:56:48.004 INFO kablam! 4 | #![feature(nll)]
Aug 02 11:56:48.004 INFO kablam!   | ^^^^^^^^^^^^^^^^
Aug 02 11:56:48.004 INFO kablam! 
Aug 02 11:56:48.004 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:56:48.004 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:5:1
Aug 02 11:56:48.004 INFO kablam!   |
Aug 02 11:56:48.004 INFO kablam! 5 | #![feature(core_intrinsics)]
Aug 02 11:56:48.004 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:56:48.004 INFO kablam! 
Aug 02 11:56:48.004 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:56:48.004 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:6:1
Aug 02 11:56:48.004 INFO kablam!   |
Aug 02 11:56:48.004 INFO kablam! 6 | #![feature(underscore_lifetimes)]
Aug 02 11:56:48.004 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:56:48.004 INFO kablam! 
Aug 02 11:56:48.004 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:56:48.004 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:7:1
Aug 02 11:56:48.004 INFO kablam!   |
Aug 02 11:56:48.004 INFO kablam! 7 | #![feature(test)]
Aug 02 11:56:48.005 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 11:56:48.005 INFO kablam! 
Aug 02 11:56:48.056 INFO kablam! error: aborting due to 5 previous errors
Aug 02 11:56:48.056 INFO kablam! 
Aug 02 11:56:48.056 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:56:48.074 INFO kablam! error: Could not compile `wasm-core`.
Aug 02 11:56:48.074 INFO kablam! 
Aug 02 11:56:48.074 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:56:48.076 INFO kablam! su: No module specific data is present
Aug 02 11:56:48.717 INFO running `"docker" "rm" "-f" "30ed5c75c9d95bfa2841784cb784d7de8384ca5fc17a96b21c1fad8231c27e65"`
Aug 02 11:56:48.874 INFO blam! 30ed5c75c9d95bfa2841784cb784d7de8384ca5fc17a96b21c1fad8231c27e65