Sep 14 11:57:04.769 INFO checking peepable-0.1.1 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 11:57:04.769 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 11:57:04.769 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 11:57:04.948 INFO blam! 6d892905187cc0f565cbaf93b425fb881dae1572930bf71ab3a3c51938c2510f
Sep 14 11:57:04.951 INFO running `"docker" "start" "-a" "6d892905187cc0f565cbaf93b425fb881dae1572930bf71ab3a3c51938c2510f"`
Sep 14 11:57:05.828 INFO kablam! usermod: no changes
Sep 14 11:57:05.859 INFO kablam!     Checking peepable v0.1.1 (file:///source)
Sep 14 11:57:06.052 INFO kablam! warning: unnecessary parentheses around function argument
Sep 14 11:57:06.052 INFO kablam!    --> src/lib.rs:149:34
Sep 14 11:57:06.052 INFO kablam!     |
Sep 14 11:57:06.052 INFO kablam! 149 |         let iter = Peepable::new((0..4));
Sep 14 11:57:06.052 INFO kablam!     |                                  ^^^^^^ help: remove these parentheses
Sep 14 11:57:06.052 INFO kablam!     |
Sep 14 11:57:06.052 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 14 11:57:06.052 INFO kablam! 
Sep 14 11:57:06.369 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Sep 14 11:57:06.371 INFO kablam! su: No module specific data is present
Sep 14 11:57:06.923 INFO running `"docker" "rm" "-f" "6d892905187cc0f565cbaf93b425fb881dae1572930bf71ab3a3c51938c2510f"`
Sep 14 11:57:06.995 INFO blam! 6d892905187cc0f565cbaf93b425fb881dae1572930bf71ab3a3c51938c2510f