Sep 06 05:03:32.935 INFO checking ixlist-0.1.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 05:03:32.935 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 05:03:32.936 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 05:03:33.129 INFO blam! 2c2b48f052d48c3a54bedecdbaada7927ed23ba2e165bc24318982508d4a4852
Sep 06 05:03:33.131 INFO running `"docker" "start" "-a" "2c2b48f052d48c3a54bedecdbaada7927ed23ba2e165bc24318982508d4a4852"`
Sep 06 05:03:33.870 INFO kablam! usermod: no changes
Sep 06 05:03:33.898 INFO kablam!     Checking ixlist v0.1.0 (file:///source)
Sep 06 05:03:34.457 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.458 INFO kablam!   --> benches/bench1.rs:26:18
Sep 06 05:03:34.458 INFO kablam!    |
Sep 06 05:03:34.458 INFO kablam! 26 |         for _ in (0..n) {
Sep 06 05:03:34.458 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.458 INFO kablam!    |
Sep 06 05:03:34.458 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 06 05:03:34.458 INFO kablam! 
Sep 06 05:03:34.458 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.458 INFO kablam!   --> benches/bench1.rs:38:18
Sep 06 05:03:34.458 INFO kablam!    |
Sep 06 05:03:34.458 INFO kablam! 38 |         for _ in (0..n) {
Sep 06 05:03:34.458 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.458 INFO kablam! 
Sep 06 05:03:34.458 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.458 INFO kablam!   --> benches/bench1.rs:66:18
Sep 06 05:03:34.458 INFO kablam!    |
Sep 06 05:03:34.458 INFO kablam! 66 |         for _ in (0..n) {
Sep 06 05:03:34.458 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.458 INFO kablam! 
Sep 06 05:03:34.458 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.458 INFO kablam!   --> benches/bench1.rs:78:18
Sep 06 05:03:34.458 INFO kablam!    |
Sep 06 05:03:34.458 INFO kablam! 78 |         for _ in (0..n) {
Sep 06 05:03:34.458 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.458 INFO kablam! 
Sep 06 05:03:34.458 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.458 INFO kablam!   --> benches/bench1.rs:90:14
Sep 06 05:03:34.458 INFO kablam!    |
Sep 06 05:03:34.458 INFO kablam! 90 |     for _ in (0..n) {
Sep 06 05:03:34.458 INFO kablam!    |              ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.458 INFO kablam! 
Sep 06 05:03:34.458 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.458 INFO kablam!    --> benches/bench1.rs:110:14
Sep 06 05:03:34.458 INFO kablam!     |
Sep 06 05:03:34.458 INFO kablam! 110 |     for _ in (0..n) {
Sep 06 05:03:34.458 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.458 INFO kablam! 
Sep 06 05:03:34.458 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 05:03:34.458 INFO kablam!    --> benches/bench1.rs:131:14
Sep 06 05:03:34.458 INFO kablam!     |
Sep 06 05:03:34.458 INFO kablam! 131 |     for _ in (0..n) {
Sep 06 05:03:34.458 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Sep 06 05:03:34.458 INFO kablam! 
Sep 06 05:03:34.682 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Sep 06 05:03:34.684 INFO kablam! su: No module specific data is present
Sep 06 05:03:35.169 INFO running `"docker" "rm" "-f" "2c2b48f052d48c3a54bedecdbaada7927ed23ba2e165bc24318982508d4a4852"`
Sep 06 05:03:35.230 INFO blam! 2c2b48f052d48c3a54bedecdbaada7927ed23ba2e165bc24318982508d4a4852