Sep 06 05:03:32.902 INFO checking ixlist-0.1.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 05:03:32.902 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 05:03:32.902 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 05:03:33.091 INFO blam! 4cc6e4dbb4c5055c3bb0413f2d7f2acb27ae6bba1927d12c0a5e62ff8b75e6d3
Sep 06 05:03:33.092 INFO running `"docker" "start" "-a" "4cc6e4dbb4c5055c3bb0413f2d7f2acb27ae6bba1927d12c0a5e62ff8b75e6d3"`
Sep 06 05:03:33.917 INFO kablam! usermod: no changes
Sep 06 05:03:33.948 INFO kablam!     Checking ixlist v0.1.0 (file:///source)
Sep 06 05:03:34.516 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.516 INFO kablam!   --> benches/bench1.rs:26:18
Sep 06 05:03:34.516 INFO kablam!    |
Sep 06 05:03:34.516 INFO kablam! 26 |         for _ in (0..n) {
Sep 06 05:03:34.516 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.516 INFO kablam!    |
Sep 06 05:03:34.516 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 06 05:03:34.516 INFO kablam! 
Sep 06 05:03:34.516 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.516 INFO kablam!   --> benches/bench1.rs:38:18
Sep 06 05:03:34.516 INFO kablam!    |
Sep 06 05:03:34.516 INFO kablam! 38 |         for _ in (0..n) {
Sep 06 05:03:34.516 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.516 INFO kablam! 
Sep 06 05:03:34.516 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.516 INFO kablam!   --> benches/bench1.rs:66:18
Sep 06 05:03:34.516 INFO kablam!    |
Sep 06 05:03:34.516 INFO kablam! 66 |         for _ in (0..n) {
Sep 06 05:03:34.516 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.516 INFO kablam! 
Sep 06 05:03:34.516 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.516 INFO kablam!   --> benches/bench1.rs:78:18
Sep 06 05:03:34.516 INFO kablam!    |
Sep 06 05:03:34.516 INFO kablam! 78 |         for _ in (0..n) {
Sep 06 05:03:34.516 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.516 INFO kablam! 
Sep 06 05:03:34.516 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.516 INFO kablam!   --> benches/bench1.rs:90:14
Sep 06 05:03:34.516 INFO kablam!    |
Sep 06 05:03:34.516 INFO kablam! 90 |     for _ in (0..n) {
Sep 06 05:03:34.516 INFO kablam!    |              ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.523 INFO kablam! 
Sep 06 05:03:34.523 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.523 INFO kablam!    --> benches/bench1.rs:110:14
Sep 06 05:03:34.523 INFO kablam!     |
Sep 06 05:03:34.523 INFO kablam! 110 |     for _ in (0..n) {
Sep 06 05:03:34.523 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.523 INFO kablam! 
Sep 06 05:03:34.523 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.523 INFO kablam!    --> benches/bench1.rs:131:14
Sep 06 05:03:34.523 INFO kablam!     |
Sep 06 05:03:34.523 INFO kablam! 131 |     for _ in (0..n) {
Sep 06 05:03:34.523 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.523 INFO kablam! 
Sep 06 05:03:34.745 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Sep 06 05:03:34.748 INFO kablam! su: No module specific data is present
Sep 06 05:03:35.327 INFO running `"docker" "rm" "-f" "4cc6e4dbb4c5055c3bb0413f2d7f2acb27ae6bba1927d12c0a5e62ff8b75e6d3"`
Sep 06 05:03:35.383 INFO blam! 4cc6e4dbb4c5055c3bb0413f2d7f2acb27ae6bba1927d12c0a5e62ff8b75e6d3