Sep 18 02:58:22.673 INFO checking c_string-0.7.1-obsolete against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 02:58:22.673 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 02:58:22.673 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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=1000" "-e" "CMD=cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 02:58:22.798 INFO blam! c87a47bed402e85484f6fc719ac2be88b7a3c5c99881072ed483910d989f2fe9
Sep 18 02:58:22.801 INFO running `"docker" "start" "-a" "c87a47bed402e85484f6fc719ac2be88b7a3c5c99881072ed483910d989f2fe9"`
Sep 18 02:58:23.756 INFO kablam! usermod: no changes
Sep 18 02:58:23.824 INFO kablam!     Checking c_string v0.7.1-obsolete (/source)
Sep 18 02:58:24.614 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 18 02:58:24.614 INFO kablam!   --> tests/tests.rs:29:14
Sep 18 02:58:24.614 INFO kablam!    |
Sep 18 02:58:24.614 INFO kablam! 29 |     for i in (0 .. len) {
Sep 18 02:58:24.614 INFO kablam!    |              ^^^^^^^^^^ help: remove these parentheses
Sep 18 02:58:24.614 INFO kablam!    |
Sep 18 02:58:24.614 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 18 02:58:24.614 INFO kablam! 
Sep 18 02:58:24.817 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Sep 18 02:58:24.818 INFO kablam! su: No module specific data is present
Sep 18 02:58:25.528 INFO running `"docker" "rm" "-f" "c87a47bed402e85484f6fc719ac2be88b7a3c5c99881072ed483910d989f2fe9"`
Sep 18 02:58:25.757 INFO blam! c87a47bed402e85484f6fc719ac2be88b7a3c5c99881072ed483910d989f2fe9