Sep 02 01:36:57.364 INFO checking c_string-0.7.1-obsolete against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 02 01:36:57.364 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 02 01:36:57.365 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 01:36:57.586 INFO blam! 0ad7776b2a230ae6b6c515dd6cdb6c67164868529fb4565435ebfbeb9bbe30bc
Sep 02 01:36:57.588 INFO running `"docker" "start" "-a" "0ad7776b2a230ae6b6c515dd6cdb6c67164868529fb4565435ebfbeb9bbe30bc"`
Sep 02 01:36:58.182 INFO kablam!     Checking c_string v0.7.1-obsolete (file:///source)
Sep 02 01:37:00.053 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 02 01:37:00.053 INFO kablam!   --> tests/tests.rs:29:14
Sep 02 01:37:00.053 INFO kablam!    |
Sep 02 01:37:00.053 INFO kablam! 29 |     for i in (0 .. len) {
Sep 02 01:37:00.053 INFO kablam!    |              ^^^^^^^^^^ help: remove these parentheses
Sep 02 01:37:00.053 INFO kablam!    |
Sep 02 01:37:00.053 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 02 01:37:00.053 INFO kablam! 
Sep 02 01:37:00.421 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
Sep 02 01:37:00.425 INFO kablam! su: No module specific data is present
Sep 02 01:37:01.229 INFO running `"docker" "rm" "-f" "0ad7776b2a230ae6b6c515dd6cdb6c67164868529fb4565435ebfbeb9bbe30bc"`
Sep 02 01:37:01.355 INFO blam! 0ad7776b2a230ae6b6c515dd6cdb6c67164868529fb4565435ebfbeb9bbe30bc