Sep 04 13:21:47.684 INFO checking ixlist-0.1.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 13:21:47.684 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 13:21:47.684 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 13:21:47.866 INFO blam! 7871d68c8ab338d17a6d3a22fb1e542fb2f69723dd0d64d0f1f453b5fcb832ff
Sep 04 13:21:47.868 INFO running `"docker" "start" "-a" "7871d68c8ab338d17a6d3a22fb1e542fb2f69723dd0d64d0f1f453b5fcb832ff"`
Sep 04 13:21:48.561 INFO kablam!     Checking ixlist v0.1.0 (file:///source)
Sep 04 13:21:49.938 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 04 13:21:49.938 INFO kablam!   --> benches/bench1.rs:26:18
Sep 04 13:21:49.938 INFO kablam!    |
Sep 04 13:21:49.938 INFO kablam! 26 |         for _ in (0..n) {
Sep 04 13:21:49.938 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 04 13:21:49.938 INFO kablam!    |
Sep 04 13:21:49.939 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 04 13:21:49.939 INFO kablam! 
Sep 04 13:21:49.940 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 04 13:21:49.940 INFO kablam!   --> benches/bench1.rs:38:18
Sep 04 13:21:49.940 INFO kablam!    |
Sep 04 13:21:49.940 INFO kablam! 38 |         for _ in (0..n) {
Sep 04 13:21:49.940 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 04 13:21:49.940 INFO kablam! 
Sep 04 13:21:49.940 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 04 13:21:49.940 INFO kablam!   --> benches/bench1.rs:66:18
Sep 04 13:21:49.940 INFO kablam!    |
Sep 04 13:21:49.940 INFO kablam! 66 |         for _ in (0..n) {
Sep 04 13:21:49.940 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 04 13:21:49.940 INFO kablam! 
Sep 04 13:21:49.940 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 04 13:21:49.940 INFO kablam!   --> benches/bench1.rs:78:18
Sep 04 13:21:49.940 INFO kablam!    |
Sep 04 13:21:49.940 INFO kablam! 78 |         for _ in (0..n) {
Sep 04 13:21:49.940 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 04 13:21:49.940 INFO kablam! 
Sep 04 13:21:49.940 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 04 13:21:49.940 INFO kablam!   --> benches/bench1.rs:90:14
Sep 04 13:21:49.940 INFO kablam!    |
Sep 04 13:21:49.940 INFO kablam! 90 |     for _ in (0..n) {
Sep 04 13:21:49.940 INFO kablam!    |              ^^^^^^ help: remove these parentheses
Sep 04 13:21:49.940 INFO kablam! 
Sep 04 13:21:49.940 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 04 13:21:49.940 INFO kablam!    --> benches/bench1.rs:110:14
Sep 04 13:21:49.940 INFO kablam!     |
Sep 04 13:21:49.941 INFO kablam! 110 |     for _ in (0..n) {
Sep 04 13:21:49.941 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Sep 04 13:21:49.941 INFO kablam! 
Sep 04 13:21:49.941 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 04 13:21:49.942 INFO kablam!    --> benches/bench1.rs:131:14
Sep 04 13:21:49.942 INFO kablam!     |
Sep 04 13:21:49.942 INFO kablam! 131 |     for _ in (0..n) {
Sep 04 13:21:49.942 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Sep 04 13:21:49.942 INFO kablam! 
Sep 04 13:21:50.381 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
Sep 04 13:21:50.386 INFO kablam! su: No module specific data is present
Sep 04 13:21:50.838 INFO running `"docker" "rm" "-f" "7871d68c8ab338d17a6d3a22fb1e542fb2f69723dd0d64d0f1f453b5fcb832ff"`
Sep 04 13:21:50.984 INFO blam! 7871d68c8ab338d17a6d3a22fb1e542fb2f69723dd0d64d0f1f453b5fcb832ff