Aug 02 05:19:55.815 INFO checking libsecp256k1-0.1.14 against 1.27.2+tmplazy for lazy_static-1
Aug 02 05:19:55.815 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:19:55.815 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:19:55.815 INFO running `"docker" "create" "-v" "/tmp/crater.ripRtnK3VI4g:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 05:19:56.098 INFO blam! 41c2760fe6dc1e1c848316534335c1ba80d69514cfdde5bce79420659383f36a
Aug 02 05:19:56.102 INFO running `"docker" "start" "-a" "41c2760fe6dc1e1c848316534335c1ba80d69514cfdde5bce79420659383f36a"`
Aug 02 05:19:57.837 INFO kablam!     Checking etcommon-hexutil v0.2.3
Aug 02 05:19:57.845 INFO kablam!    Compiling secp256k1-test v0.7.2
Aug 02 05:19:57.845 INFO kablam!     Checking generic-array v0.8.3
Aug 02 05:19:59.415 INFO kablam!     Checking crypto-mac v0.4.0
Aug 02 05:19:59.415 INFO kablam!     Checking digest v0.6.2
Aug 02 05:19:59.417 INFO kablam!     Checking block-buffer v0.2.0
Aug 02 05:20:00.181 INFO kablam!     Checking hmac v0.4.2
Aug 02 05:20:00.382 INFO kablam!     Checking sha2 v0.6.0
Aug 02 05:20:00.838 INFO kablam!     Checking hmac-drbg v0.1.2
Aug 02 05:20:01.753 INFO kablam!     Checking libsecp256k1 v0.1.14 (file:///source)
Aug 02 05:20:28.748 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:20:28.748 INFO kablam!  --> benches/public_key.rs:1:1
Aug 02 05:20:28.749 INFO kablam!   |
Aug 02 05:20:28.749 INFO kablam! 1 | #![feature(test)]
Aug 02 05:20:28.749 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:20:28.750 INFO kablam! 
Aug 02 05:20:28.751 INFO kablam! error: aborting due to previous error
Aug 02 05:20:28.751 INFO kablam! 
Aug 02 05:20:28.751 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:20:28.763 INFO kablam! error: Could not compile `libsecp256k1`.
Aug 02 05:20:28.763 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:20:28.889 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:20:28.889 INFO kablam!  --> benches/signature.rs:1:1
Aug 02 05:20:28.889 INFO kablam!   |
Aug 02 05:20:28.889 INFO kablam! 1 | #![feature(test)]
Aug 02 05:20:28.889 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:20:28.889 INFO kablam! 
Aug 02 05:20:28.890 INFO kablam! error: aborting due to previous error
Aug 02 05:20:28.892 INFO kablam! 
Aug 02 05:20:28.892 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:20:28.904 INFO kablam! error: Could not compile `libsecp256k1`.
Aug 02 05:20:28.904 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:20:28.969 INFO kablam! error: build failed
Aug 02 05:20:28.971 INFO kablam! su: No module specific data is present
Aug 02 05:20:29.495 INFO running `"docker" "rm" "-f" "41c2760fe6dc1e1c848316534335c1ba80d69514cfdde5bce79420659383f36a"`
Aug 02 05:20:29.679 INFO blam! 41c2760fe6dc1e1c848316534335c1ba80d69514cfdde5bce79420659383f36a