Sep 21 12:39:58.336 INFO checking c_string-0.7.1-obsolete against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 12:39:58.336 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 12:39:58.336 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:39:58.470 INFO blam! 926c47b01313f01bd75a1c86bc3eef6aadb29af1e8bbb5fda2c92ffcde1e4819
Sep 21 12:39:58.473 INFO running `"docker" "start" "-a" "926c47b01313f01bd75a1c86bc3eef6aadb29af1e8bbb5fda2c92ffcde1e4819"`
Sep 21 12:39:59.695 INFO kablam! usermod: no changes
Sep 21 12:39:59.771 INFO kablam!     Checking c_string v0.7.1-obsolete (/source)
Sep 21 12:40:00.654 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 21 12:40:00.654 INFO kablam!   --> tests/tests.rs:29:14
Sep 21 12:40:00.654 INFO kablam!    |
Sep 21 12:40:00.654 INFO kablam! 29 |     for i in (0 .. len) {
Sep 21 12:40:00.654 INFO kablam!    |              ^^^^^^^^^^ help: remove these parentheses
Sep 21 12:40:00.654 INFO kablam!    |
Sep 21 12:40:00.654 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 21 12:40:00.654 INFO kablam! 
Sep 21 12:40:00.820 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Sep 21 12:40:00.822 INFO kablam! su: No module specific data is present
Sep 21 12:40:01.554 INFO running `"docker" "rm" "-f" "926c47b01313f01bd75a1c86bc3eef6aadb29af1e8bbb5fda2c92ffcde1e4819"`
Sep 21 12:40:01.654 INFO blam! 926c47b01313f01bd75a1c86bc3eef6aadb29af1e8bbb5fda2c92ffcde1e4819