Sep 14 14:26:45.332 INFO checking ixlist-0.1.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 14:26:45.332 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 14:26:45.332 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 14:26:45.455 INFO blam! 87c42a8f8a28dd02d040302191bddf57571786cd48f5b48d67a6fed337a3ce7c
Sep 14 14:26:45.461 INFO running `"docker" "start" "-a" "87c42a8f8a28dd02d040302191bddf57571786cd48f5b48d67a6fed337a3ce7c"`
Sep 14 14:26:46.763 INFO kablam! usermod: no changes
Sep 14 14:26:46.804 INFO kablam!     Checking ixlist v0.1.0 (file:///source)
Sep 14 14:26:47.401 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 14 14:26:47.401 INFO kablam!   --> benches/bench1.rs:26:18
Sep 14 14:26:47.401 INFO kablam!    |
Sep 14 14:26:47.401 INFO kablam! 26 |         for _ in (0..n) {
Sep 14 14:26:47.401 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 14 14:26:47.401 INFO kablam!    |
Sep 14 14:26:47.401 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 14 14:26:47.401 INFO kablam! 
Sep 14 14:26:47.401 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 14 14:26:47.401 INFO kablam!   --> benches/bench1.rs:38:18
Sep 14 14:26:47.401 INFO kablam!    |
Sep 14 14:26:47.401 INFO kablam! 38 |         for _ in (0..n) {
Sep 14 14:26:47.401 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 14 14:26:47.401 INFO kablam! 
Sep 14 14:26:47.401 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 14 14:26:47.401 INFO kablam!   --> benches/bench1.rs:66:18
Sep 14 14:26:47.401 INFO kablam!    |
Sep 14 14:26:47.401 INFO kablam! 66 |         for _ in (0..n) {
Sep 14 14:26:47.401 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 14 14:26:47.401 INFO kablam! 
Sep 14 14:26:47.401 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 14 14:26:47.402 INFO kablam!   --> benches/bench1.rs:78:18
Sep 14 14:26:47.402 INFO kablam!    |
Sep 14 14:26:47.402 INFO kablam! 78 |         for _ in (0..n) {
Sep 14 14:26:47.402 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 14 14:26:47.402 INFO kablam! 
Sep 14 14:26:47.402 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 14 14:26:47.402 INFO kablam!   --> benches/bench1.rs:90:14
Sep 14 14:26:47.402 INFO kablam!    |
Sep 14 14:26:47.402 INFO kablam! 90 |     for _ in (0..n) {
Sep 14 14:26:47.402 INFO kablam!    |              ^^^^^^ help: remove these parentheses
Sep 14 14:26:47.402 INFO kablam! 
Sep 14 14:26:47.402 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 14 14:26:47.402 INFO kablam!    --> benches/bench1.rs:110:14
Sep 14 14:26:47.402 INFO kablam!     |
Sep 14 14:26:47.402 INFO kablam! 110 |     for _ in (0..n) {
Sep 14 14:26:47.402 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Sep 14 14:26:47.402 INFO kablam! 
Sep 14 14:26:47.402 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 14 14:26:47.402 INFO kablam!    --> benches/bench1.rs:131:14
Sep 14 14:26:47.402 INFO kablam!     |
Sep 14 14:26:47.402 INFO kablam! 131 |     for _ in (0..n) {
Sep 14 14:26:47.402 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Sep 14 14:26:47.402 INFO kablam! 
Sep 14 14:26:47.643 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Sep 14 14:26:47.645 INFO kablam! su: No module specific data is present
Sep 14 14:26:48.526 INFO running `"docker" "rm" "-f" "87c42a8f8a28dd02d040302191bddf57571786cd48f5b48d67a6fed337a3ce7c"`
Sep 14 14:26:48.686 INFO blam! 87c42a8f8a28dd02d040302191bddf57571786cd48f5b48d67a6fed337a3ce7c