Aug 02 13:35:26.508 INFO checking c_string-0.7.1-obsolete against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:35:26.508 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:35:26.509 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:35:26.509 INFO running `"docker" "create" "-v" "/tmp/crater.lXIAugPaDvcL:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+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 13:35:26.642 INFO blam! 67b068fa95aca3f8512b8998b589a38fe7e8a979c7c8cdd1c421107873a48b82
Aug 02 13:35:26.643 INFO running `"docker" "start" "-a" "67b068fa95aca3f8512b8998b589a38fe7e8a979c7c8cdd1c421107873a48b82"`
Aug 02 13:35:29.225 INFO kablam!     Checking c_string v0.7.1-obsolete (file:///source)
Aug 02 13:35:30.372 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:35:30.372 INFO kablam!   --> benches/bench.rs:14:1
Aug 02 13:35:30.372 INFO kablam!    |
Aug 02 13:35:30.372 INFO kablam! 14 | #![feature(test)]
Aug 02 13:35:30.372 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 13:35:30.374 INFO kablam! 
Aug 02 13:35:30.375 INFO kablam! error: aborting due to previous error
Aug 02 13:35:30.375 INFO kablam! 
Aug 02 13:35:30.376 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:35:30.408 INFO kablam! error: Could not compile `c_string`.
Aug 02 13:35:30.409 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:35:30.455 INFO kablam! warning: unnecessary parentheses around `for` head expression
Aug 02 13:35:30.455 INFO kablam!   --> tests/tests.rs:29:14
Aug 02 13:35:30.455 INFO kablam!    |
Aug 02 13:35:30.455 INFO kablam! 29 |     for i in (0 .. len) {
Aug 02 13:35:30.455 INFO kablam!    |              ^^^^^^^^^^ help: remove these parentheses
Aug 02 13:35:30.457 INFO kablam!    |
Aug 02 13:35:30.457 INFO kablam!    = note: #[warn(unused_parens)] on by default
Aug 02 13:35:30.457 INFO kablam! 
Aug 02 13:35:30.814 INFO kablam! error: build failed
Aug 02 13:35:30.815 INFO kablam! su: No module specific data is present
Aug 02 13:35:31.357 INFO running `"docker" "rm" "-f" "67b068fa95aca3f8512b8998b589a38fe7e8a979c7c8cdd1c421107873a48b82"`
Aug 02 13:35:31.478 INFO blam! 67b068fa95aca3f8512b8998b589a38fe7e8a979c7c8cdd1c421107873a48b82