Sep 01 09:03:18.280 INFO checking c_string-0.7.1-obsolete against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 09:03:18.280 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 09:03:18.280 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 09:03:18.466 INFO blam! a8d917afa0009f0fa2c3a5cb15052042871fc2a703c10de3d0969ba5322a231f
Sep 01 09:03:18.468 INFO running `"docker" "start" "-a" "a8d917afa0009f0fa2c3a5cb15052042871fc2a703c10de3d0969ba5322a231f"`
Sep 01 09:03:19.068 INFO kablam!     Checking c_string v0.7.1-obsolete (file:///source)
Sep 01 09:03:20.758 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 01 09:03:20.758 INFO kablam!   --> tests/tests.rs:29:14
Sep 01 09:03:20.758 INFO kablam!    |
Sep 01 09:03:20.758 INFO kablam! 29 |     for i in (0 .. len) {
Sep 01 09:03:20.758 INFO kablam!    |              ^^^^^^^^^^ help: remove these parentheses
Sep 01 09:03:20.758 INFO kablam!    |
Sep 01 09:03:20.758 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 01 09:03:20.758 INFO kablam! 
Sep 01 09:03:21.126 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
Sep 01 09:03:21.130 INFO kablam! su: No module specific data is present
Sep 01 09:03:21.522 INFO running `"docker" "rm" "-f" "a8d917afa0009f0fa2c3a5cb15052042871fc2a703c10de3d0969ba5322a231f"`
Sep 01 09:03:21.613 INFO blam! a8d917afa0009f0fa2c3a5cb15052042871fc2a703c10de3d0969ba5322a231f