Sep 01 11:39:58.848 INFO checking peepable-0.1.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 11:39:58.848 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 11:39:58.848 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 11:39:59.003 INFO blam! 8f228e3cece6cb03277409831406bf698b22cfeb7c9fd4d25c75cb1e9787fc6e
Sep 01 11:39:59.004 INFO running `"docker" "start" "-a" "8f228e3cece6cb03277409831406bf698b22cfeb7c9fd4d25c75cb1e9787fc6e"`
Sep 01 11:39:59.835 INFO kablam!     Checking peepable v0.1.1 (file:///source)
Sep 01 11:40:00.263 INFO kablam! warning: unnecessary parentheses around function argument
Sep 01 11:40:00.263 INFO kablam!    --> src/lib.rs:149:34
Sep 01 11:40:00.263 INFO kablam!     |
Sep 01 11:40:00.263 INFO kablam! 149 |         let iter = Peepable::new((0..4));
Sep 01 11:40:00.263 INFO kablam!     |                                  ^^^^^^ help: remove these parentheses
Sep 01 11:40:00.263 INFO kablam!     |
Sep 01 11:40:00.263 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 01 11:40:00.263 INFO kablam! 
Sep 01 11:40:00.979 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Sep 01 11:40:00.981 INFO kablam! su: No module specific data is present
Sep 01 11:40:01.388 INFO running `"docker" "rm" "-f" "8f228e3cece6cb03277409831406bf698b22cfeb7c9fd4d25c75cb1e9787fc6e"`
Sep 01 11:40:01.469 INFO blam! 8f228e3cece6cb03277409831406bf698b22cfeb7c9fd4d25c75cb1e9787fc6e