Aug 02 05:19:56.681 INFO checking libsecp256k1-0.1.14 against 1.27.2 for lazy_static-1
Aug 02 05:19:56.681 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:19:56.681 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:19:56.681 INFO running `"docker" "create" "-v" "/tmp/crater.F1RviGf3V8qZ:/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 02 05:19:56.895 INFO blam! bcfab78586c26b163a2837e35adac644c45d3eee6fa346c40fa947f9fc0aff68
Aug 02 05:19:56.900 INFO running `"docker" "start" "-a" "bcfab78586c26b163a2837e35adac644c45d3eee6fa346c40fa947f9fc0aff68"`
Aug 02 05:19:58.277 INFO kablam!    Compiling secp256k1-test v0.7.2
Aug 02 05:19:58.277 INFO kablam!     Checking crypto-mac v0.4.0
Aug 02 05:19:58.807 INFO kablam!     Checking hmac v0.4.2
Aug 02 05:19:59.547 INFO kablam!     Checking hmac-drbg v0.1.2
Aug 02 05:20:00.624 INFO kablam!     Checking libsecp256k1 v0.1.14 (file:///source)
Aug 02 05:20:26.630 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:20:26.630 INFO kablam!  --> benches/public_key.rs:1:1
Aug 02 05:20:26.630 INFO kablam!   |
Aug 02 05:20:26.630 INFO kablam! 1 | #![feature(test)]
Aug 02 05:20:26.630 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:20:26.631 INFO kablam! 
Aug 02 05:20:26.632 INFO kablam! error: aborting due to previous error
Aug 02 05:20:26.632 INFO kablam! 
Aug 02 05:20:26.632 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:20:26.643 INFO kablam! error: Could not compile `libsecp256k1`.
Aug 02 05:20:26.644 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:20:26.701 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:20:26.701 INFO kablam!  --> benches/signature.rs:1:1
Aug 02 05:20:26.701 INFO kablam!   |
Aug 02 05:20:26.701 INFO kablam! 1 | #![feature(test)]
Aug 02 05:20:26.701 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:20:26.701 INFO kablam! 
Aug 02 05:20:26.702 INFO kablam! error: aborting due to previous error
Aug 02 05:20:26.702 INFO kablam! 
Aug 02 05:20:26.702 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:20:26.712 INFO kablam! error: Could not compile `libsecp256k1`.
Aug 02 05:20:26.712 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:20:28.266 INFO kablam! error: build failed
Aug 02 05:20:28.268 INFO kablam! su: No module specific data is present
Aug 02 05:20:28.889 INFO running `"docker" "rm" "-f" "bcfab78586c26b163a2837e35adac644c45d3eee6fa346c40fa947f9fc0aff68"`
Aug 02 05:20:29.047 INFO blam! bcfab78586c26b163a2837e35adac644c45d3eee6fa346c40fa947f9fc0aff68