Jul 12 06:17:24.670 INFO checking ixlist-0.1.0 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 06:17:24.670 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 06:17:24.670 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 06:17:24.670 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-2/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 06:17:24.948 INFO blam! b4a1a3fa10b9e713d75971baad1e61a396d693a1fbcc55318e973db2b6a15e84
Jul 12 06:17:24.950 INFO running `"docker" "start" "-a" "b4a1a3fa10b9e713d75971baad1e61a396d693a1fbcc55318e973db2b6a15e84"`
Jul 12 06:17:25.931 INFO kablam!     Checking ixlist v0.1.0 (file:///source)
Jul 12 06:17:27.306 INFO kablam! warning: unnecessary parentheses around `for` head expression
Jul 12 06:17:27.306 INFO kablam!   --> benches/bench1.rs:26:18
Jul 12 06:17:27.306 INFO kablam!    |
Jul 12 06:17:27.306 INFO kablam! 26 |         for _ in (0..n) {
Jul 12 06:17:27.306 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Jul 12 06:17:27.306 INFO kablam!    |
Jul 12 06:17:27.306 INFO kablam!    = note: #[warn(unused_parens)] on by default
Jul 12 06:17:27.306 INFO kablam! 
Jul 12 06:17:27.306 INFO kablam! warning: unnecessary parentheses around `for` head expression
Jul 12 06:17:27.307 INFO kablam!   --> benches/bench1.rs:38:18
Jul 12 06:17:27.307 INFO kablam!    |
Jul 12 06:17:27.307 INFO kablam! 38 |         for _ in (0..n) {
Jul 12 06:17:27.307 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Jul 12 06:17:27.307 INFO kablam! 
Jul 12 06:17:27.307 INFO kablam! warning: unnecessary parentheses around `for` head expression
Jul 12 06:17:27.307 INFO kablam!   --> benches/bench1.rs:66:18
Jul 12 06:17:27.307 INFO kablam!    |
Jul 12 06:17:27.307 INFO kablam! 66 |         for _ in (0..n) {
Jul 12 06:17:27.307 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Jul 12 06:17:27.307 INFO kablam! 
Jul 12 06:17:27.307 INFO kablam! warning: unnecessary parentheses around `for` head expression
Jul 12 06:17:27.307 INFO kablam!   --> benches/bench1.rs:78:18
Jul 12 06:17:27.307 INFO kablam!    |
Jul 12 06:17:27.307 INFO kablam! 78 |         for _ in (0..n) {
Jul 12 06:17:27.307 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Jul 12 06:17:27.307 INFO kablam! 
Jul 12 06:17:27.307 INFO kablam! warning: unnecessary parentheses around `for` head expression
Jul 12 06:17:27.307 INFO kablam!   --> benches/bench1.rs:90:14
Jul 12 06:17:27.307 INFO kablam!    |
Jul 12 06:17:27.307 INFO kablam! 90 |     for _ in (0..n) {
Jul 12 06:17:27.307 INFO kablam!    |              ^^^^^^ help: remove these parentheses
Jul 12 06:17:27.307 INFO kablam! 
Jul 12 06:17:27.307 INFO kablam! warning: unnecessary parentheses around `for` head expression
Jul 12 06:17:27.307 INFO kablam!    --> benches/bench1.rs:110:14
Jul 12 06:17:27.307 INFO kablam!     |
Jul 12 06:17:27.308 INFO kablam! 110 |     for _ in (0..n) {
Jul 12 06:17:27.308 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Jul 12 06:17:27.308 INFO kablam! 
Jul 12 06:17:27.308 INFO kablam! warning: unnecessary parentheses around `for` head expression
Jul 12 06:17:27.308 INFO kablam!    --> benches/bench1.rs:131:14
Jul 12 06:17:27.308 INFO kablam!     |
Jul 12 06:17:27.308 INFO kablam! 131 |     for _ in (0..n) {
Jul 12 06:17:27.308 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Jul 12 06:17:27.308 INFO kablam! 
Jul 12 06:17:27.904 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
Jul 12 06:17:27.917 INFO kablam! su: No module specific data is present
Jul 12 06:17:28.452 INFO running `"docker" "rm" "-f" "b4a1a3fa10b9e713d75971baad1e61a396d693a1fbcc55318e973db2b6a15e84"`
Jul 12 06:17:28.609 INFO blam! b4a1a3fa10b9e713d75971baad1e61a396d693a1fbcc55318e973db2b6a15e84