Aug 02 13:35:29.994 INFO checking c_string-0.7.1-obsolete against 1.27.2 for lazy_static-1 Aug 02 13:35:29.994 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 13:35:29.994 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 13:35:29.994 INFO running `"docker" "create" "-v" "/tmp/crater.z6KG41ZbXd1m:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 13:35:30.222 INFO blam! 581411c189e9981c02ec5b1538621216f69b894032c6cdb6333f9eb1a1cbfe08 Aug 02 13:35:30.230 INFO running `"docker" "start" "-a" "581411c189e9981c02ec5b1538621216f69b894032c6cdb6333f9eb1a1cbfe08"` Aug 02 13:35:31.458 INFO kablam! Checking c_string v0.7.1-obsolete (file:///source) Aug 02 13:35:32.977 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 13:35:32.977 INFO kablam! --> benches/bench.rs:14:1 Aug 02 13:35:32.977 INFO kablam! | Aug 02 13:35:32.977 INFO kablam! 14 | #![feature(test)] Aug 02 13:35:32.977 INFO kablam! | ^^^^^^^^^^^^^^^^^ Aug 02 13:35:32.977 INFO kablam! Aug 02 13:35:32.977 INFO kablam! error: aborting due to previous error Aug 02 13:35:32.977 INFO kablam! Aug 02 13:35:32.977 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 13:35:32.986 INFO kablam! error: Could not compile `c_string`. Aug 02 13:35:32.986 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 13:35:33.056 INFO kablam! warning: unnecessary parentheses around `for` head expression Aug 02 13:35:33.056 INFO kablam! --> tests/tests.rs:29:14 Aug 02 13:35:33.056 INFO kablam! | Aug 02 13:35:33.056 INFO kablam! 29 | for i in (0 .. len) { Aug 02 13:35:33.056 INFO kablam! | ^^^^^^^^^^ help: remove these parentheses Aug 02 13:35:33.056 INFO kablam! | Aug 02 13:35:33.056 INFO kablam! = note: #[warn(unused_parens)] on by default Aug 02 13:35:33.056 INFO kablam! Aug 02 13:35:33.592 INFO kablam! error: build failed Aug 02 13:35:33.600 INFO kablam! su: No module specific data is present Aug 02 13:35:34.465 INFO running `"docker" "rm" "-f" "581411c189e9981c02ec5b1538621216f69b894032c6cdb6333f9eb1a1cbfe08"` Aug 02 13:35:34.545 INFO blam! 581411c189e9981c02ec5b1538621216f69b894032c6cdb6333f9eb1a1cbfe08