Sep 10 21:47:35.039 INFO checking c_string-0.7.1-obsolete against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 21:47:35.039 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 21:47:35.039 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 21:47:35.181 INFO blam! 1fe80dd8b1060972ff78a164b4a41d0e5fe2a5f2761dca58d535e15fe53a2278
Sep 10 21:47:35.183 INFO running `"docker" "start" "-a" "1fe80dd8b1060972ff78a164b4a41d0e5fe2a5f2761dca58d535e15fe53a2278"`
Sep 10 21:47:36.288 INFO kablam! usermod: no changes
Sep 10 21:47:36.324 INFO kablam!     Checking c_string v0.7.1-obsolete (file:///source)
Sep 10 21:47:37.242 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 10 21:47:37.242 INFO kablam!   --> tests/tests.rs:29:14
Sep 10 21:47:37.242 INFO kablam!    |
Sep 10 21:47:37.242 INFO kablam! 29 |     for i in (0 .. len) {
Sep 10 21:47:37.242 INFO kablam!    |              ^^^^^^^^^^ help: remove these parentheses
Sep 10 21:47:37.242 INFO kablam!    |
Sep 10 21:47:37.242 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 10 21:47:37.242 INFO kablam! 
Sep 10 21:47:37.471 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Sep 10 21:47:37.474 INFO kablam! su: No module specific data is present
Sep 10 21:47:38.125 INFO running `"docker" "rm" "-f" "1fe80dd8b1060972ff78a164b4a41d0e5fe2a5f2761dca58d535e15fe53a2278"`
Sep 10 21:47:38.201 INFO blam! 1fe80dd8b1060972ff78a164b4a41d0e5fe2a5f2761dca58d535e15fe53a2278