Sep 10 12:23:28.677 INFO checking quickercheck-0.2.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:23:28.677 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:23:28.677 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:23:28.892 INFO blam! 5ecfaa6059a891754116dc1d6d982af4a6c5d2779355d362c3fb2a3f49da4511
Sep 10 12:23:28.895 INFO running `"docker" "start" "-a" "5ecfaa6059a891754116dc1d6d982af4a6c5d2779355d362c3fb2a3f49da4511"`
Sep 10 12:23:29.782 INFO kablam! usermod: no changes
Sep 10 12:23:29.850 INFO kablam!     Checking quickercheck v0.2.0 (file:///source)
Sep 10 12:23:30.759 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.759 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 10 12:23:30.759 INFO kablam!     |
Sep 10 12:23:30.759 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 10 12:23:30.759 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.759 INFO kablam! ...
Sep 10 12:23:30.759 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.759 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.760 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.760 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.760 INFO kablam! ...   |
Sep 10 12:23:30.760 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.760 INFO kablam! 128 | | }
Sep 10 12:23:30.760 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.760 INFO kablam!     |
Sep 10 12:23:30.760 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 10 12:23:30.760 INFO kablam! 
Sep 10 12:23:30.760 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.760 INFO kablam!    --> src/arbitrary.rs:112:47
Sep 10 12:23:30.760 INFO kablam!     |
Sep 10 12:23:30.760 INFO kablam! 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Sep 10 12:23:30.760 INFO kablam!     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.760 INFO kablam! ...
Sep 10 12:23:30.760 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.760 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.760 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.760 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.760 INFO kablam! ...   |
Sep 10 12:23:30.760 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.760 INFO kablam! 128 | | }
Sep 10 12:23:30.760 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.760 INFO kablam! 
Sep 10 12:23:30.760 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.760 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 10 12:23:30.760 INFO kablam!     |
Sep 10 12:23:30.760 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 10 12:23:30.760 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.760 INFO kablam! ...
Sep 10 12:23:30.760 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.760 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.760 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.760 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.760 INFO kablam! ...   |
Sep 10 12:23:30.760 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.760 INFO kablam! 128 | | }
Sep 10 12:23:30.760 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.760 INFO kablam! 
Sep 10 12:23:30.887 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.887 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 10 12:23:30.887 INFO kablam!     |
Sep 10 12:23:30.887 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 10 12:23:30.887 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.887 INFO kablam! ...
Sep 10 12:23:30.887 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.887 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.887 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.887 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.887 INFO kablam! ...   |
Sep 10 12:23:30.887 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.887 INFO kablam! 128 | | }
Sep 10 12:23:30.887 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.898 INFO kablam!     |
Sep 10 12:23:30.898 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 10 12:23:30.898 INFO kablam! 
Sep 10 12:23:30.898 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.898 INFO kablam!    --> src/arbitrary.rs:112:47
Sep 10 12:23:30.898 INFO kablam!     |
Sep 10 12:23:30.898 INFO kablam! 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Sep 10 12:23:30.898 INFO kablam!     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.898 INFO kablam! ...
Sep 10 12:23:30.898 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.898 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.898 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.898 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.898 INFO kablam! ...   |
Sep 10 12:23:30.898 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.898 INFO kablam! 128 | | }
Sep 10 12:23:30.898 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.898 INFO kablam! 
Sep 10 12:23:30.898 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.898 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 10 12:23:30.898 INFO kablam!     |
Sep 10 12:23:30.898 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 10 12:23:30.898 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.898 INFO kablam! ...
Sep 10 12:23:30.898 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.898 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.898 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.898 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.898 INFO kablam! ...   |
Sep 10 12:23:30.898 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.898 INFO kablam! 128 | | }
Sep 10 12:23:30.898 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.898 INFO kablam! 
Sep 10 12:23:44.398 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.60s
Sep 10 12:23:44.403 INFO kablam! su: No module specific data is present
Sep 10 12:23:45.365 INFO running `"docker" "rm" "-f" "5ecfaa6059a891754116dc1d6d982af4a6c5d2779355d362c3fb2a3f49da4511"`
Sep 10 12:23:45.486 INFO blam! 5ecfaa6059a891754116dc1d6d982af4a6c5d2779355d362c3fb2a3f49da4511