Sep 04 22:28:51.787 INFO checking c_string-0.7.1-obsolete against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 22:28:51.787 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 22:28:51.787 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 22:28:51.980 INFO blam! 180c342ad5e4558c7c3d275c76f77d8b95d5db9439671831ead1bdb6c9bdf4b2
Sep 04 22:28:51.980 INFO running `"docker" "start" "-a" "180c342ad5e4558c7c3d275c76f77d8b95d5db9439671831ead1bdb6c9bdf4b2"`
Sep 04 22:28:52.766 INFO kablam!     Checking c_string v0.7.1-obsolete (file:///source)
Sep 04 22:28:54.630 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 04 22:28:54.630 INFO kablam!   --> tests/tests.rs:29:14
Sep 04 22:28:54.630 INFO kablam!    |
Sep 04 22:28:54.630 INFO kablam! 29 |     for i in (0 .. len) {
Sep 04 22:28:54.630 INFO kablam!    |              ^^^^^^^^^^ help: remove these parentheses
Sep 04 22:28:54.631 INFO kablam!    |
Sep 04 22:28:54.631 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 04 22:28:54.631 INFO kablam! 
Sep 04 22:28:55.072 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Sep 04 22:28:55.084 INFO kablam! su: No module specific data is present
Sep 04 22:28:55.499 INFO running `"docker" "rm" "-f" "180c342ad5e4558c7c3d275c76f77d8b95d5db9439671831ead1bdb6c9bdf4b2"`
Sep 04 22:28:55.606 INFO blam! 180c342ad5e4558c7c3d275c76f77d8b95d5db9439671831ead1bdb6c9bdf4b2