Aug 02 01:12:30.277 INFO checking rcurl-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 01:12:30.277 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:12:30.277 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:12:30.277 INFO running `"docker" "create" "-v" "/tmp/crater.8Hyw71p8NO3d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 01:12:30.554 INFO blam! 153466312cd5e4e232857e2d25da4ed6b30ae50d1263976cea4aea42514a7f7a
Aug 02 01:12:30.556 INFO running `"docker" "start" "-a" "153466312cd5e4e232857e2d25da4ed6b30ae50d1263976cea4aea42514a7f7a"`
Aug 02 01:12:31.679 INFO kablam!     Checking rcurl v0.1.0 (file:///source)
Aug 02 01:12:33.305 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:12:33.305 INFO kablam!  --> benches/benches.rs:1:1
Aug 02 01:12:33.305 INFO kablam!   |
Aug 02 01:12:33.305 INFO kablam! 1 | #![feature(test)]
Aug 02 01:12:33.306 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 01:12:33.306 INFO kablam! 
Aug 02 01:12:33.307 INFO kablam! error: aborting due to previous error
Aug 02 01:12:33.307 INFO kablam! 
Aug 02 01:12:33.307 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:12:33.314 INFO kablam! error: Could not compile `rcurl`.
Aug 02 01:12:33.315 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:12:33.787 INFO kablam! error: build failed
Aug 02 01:12:33.789 INFO kablam! su: No module specific data is present
Aug 02 01:12:34.318 INFO running `"docker" "rm" "-f" "153466312cd5e4e232857e2d25da4ed6b30ae50d1263976cea4aea42514a7f7a"`
Aug 02 01:12:34.504 INFO blam! 153466312cd5e4e232857e2d25da4ed6b30ae50d1263976cea4aea42514a7f7a