Sep 06 02:01:54.624 INFO checking quickercheck-0.2.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:01:54.624 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:01:54.624 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:01:54.734 INFO blam! 8943df3fc8f7e424765d3906b12dbf06ac00bb8f78a8dea8d2cebbbd02b491c4
Sep 06 02:01:54.736 INFO running `"docker" "start" "-a" "8943df3fc8f7e424765d3906b12dbf06ac00bb8f78a8dea8d2cebbbd02b491c4"`
Sep 06 02:01:55.522 INFO kablam! usermod: no changes
Sep 06 02:01:55.566 INFO kablam!     Checking quickercheck v0.2.0 (file:///source)
Sep 06 02:01:56.147 INFO kablam! warning: unnecessary parentheses around function argument
Sep 06 02:01:56.147 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 06 02:01:56.147 INFO kablam!     |
Sep 06 02:01:56.147 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 06 02:01:56.147 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 06 02:01:56.147 INFO kablam! ...
Sep 06 02:01:56.147 INFO kablam! 119 | / generic_impls! {
Sep 06 02:01:56.147 INFO kablam! 120 | |     Vec<T>,
Sep 06 02:01:56.147 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 06 02:01:56.147 INFO kablam! 122 | |     BTreeSet<T>,
Sep 06 02:01:56.147 INFO kablam! ...   |
Sep 06 02:01:56.147 INFO kablam! 127 | |     VecDeque<T>
Sep 06 02:01:56.147 INFO kablam! 128 | | }
Sep 06 02:01:56.147 INFO kablam!     | |_- in this macro invocation
Sep 06 02:01:56.147 INFO kablam!     |
Sep 06 02:01:56.147 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 06 02:01:56.147 INFO kablam! 
Sep 06 02:01:56.147 INFO kablam! warning: unnecessary parentheses around function argument
Sep 06 02:01:56.147 INFO kablam!    --> src/arbitrary.rs:112:47
Sep 06 02:01:56.147 INFO kablam!     |
Sep 06 02:01:56.147 INFO kablam! 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Sep 06 02:01:56.147 INFO kablam!     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 06 02:01:56.147 INFO kablam! ...
Sep 06 02:01:56.147 INFO kablam! 119 | / generic_impls! {
Sep 06 02:01:56.147 INFO kablam! 120 | |     Vec<T>,
Sep 06 02:01:56.147 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 06 02:01:56.147 INFO kablam! 122 | |     BTreeSet<T>,
Sep 06 02:01:56.147 INFO kablam! ...   |
Sep 06 02:01:56.147 INFO kablam! 127 | |     VecDeque<T>
Sep 06 02:01:56.147 INFO kablam! 128 | | }
Sep 06 02:01:56.147 INFO kablam!     | |_- in this macro invocation
Sep 06 02:01:56.147 INFO kablam! 
Sep 06 02:01:56.147 INFO kablam! warning: unnecessary parentheses around function argument
Sep 06 02:01:56.147 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 06 02:01:56.147 INFO kablam!     |
Sep 06 02:01:56.147 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 06 02:01:56.147 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 06 02:01:56.147 INFO kablam! ...
Sep 06 02:01:56.147 INFO kablam! 119 | / generic_impls! {
Sep 06 02:01:56.147 INFO kablam! 120 | |     Vec<T>,
Sep 06 02:01:56.147 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 06 02:01:56.147 INFO kablam! 122 | |     BTreeSet<T>,
Sep 06 02:01:56.147 INFO kablam! ...   |
Sep 06 02:01:56.147 INFO kablam! 127 | |     VecDeque<T>
Sep 06 02:01:56.147 INFO kablam! 128 | | }
Sep 06 02:01:56.147 INFO kablam!     | |_- in this macro invocation
Sep 06 02:01:56.147 INFO kablam! 
Sep 06 02:01:56.210 INFO kablam! warning: unnecessary parentheses around function argument
Sep 06 02:01:56.210 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 06 02:01:56.210 INFO kablam!     |
Sep 06 02:01:56.210 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 06 02:01:56.210 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 06 02:01:56.210 INFO kablam! ...
Sep 06 02:01:56.210 INFO kablam! 119 | / generic_impls! {
Sep 06 02:01:56.210 INFO kablam! 120 | |     Vec<T>,
Sep 06 02:01:56.210 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 06 02:01:56.210 INFO kablam! 122 | |     BTreeSet<T>,
Sep 06 02:01:56.210 INFO kablam! ...   |
Sep 06 02:01:56.210 INFO kablam! 127 | |     VecDeque<T>
Sep 06 02:01:56.210 INFO kablam! 128 | | }
Sep 06 02:01:56.210 INFO kablam!     | |_- in this macro invocation
Sep 06 02:01:56.210 INFO kablam!     |
Sep 06 02:01:56.210 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 06 02:01:56.210 INFO kablam! 
Sep 06 02:01:56.210 INFO kablam! warning: unnecessary parentheses around function argument
Sep 06 02:01:56.210 INFO kablam!    --> src/arbitrary.rs:112:47
Sep 06 02:01:56.210 INFO kablam!     |
Sep 06 02:01:56.210 INFO kablam! 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Sep 06 02:01:56.210 INFO kablam!     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 06 02:01:56.210 INFO kablam! ...
Sep 06 02:01:56.210 INFO kablam! 119 | / generic_impls! {
Sep 06 02:01:56.210 INFO kablam! 120 | |     Vec<T>,
Sep 06 02:01:56.210 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 06 02:01:56.210 INFO kablam! 122 | |     BTreeSet<T>,
Sep 06 02:01:56.210 INFO kablam! ...   |
Sep 06 02:01:56.210 INFO kablam! 127 | |     VecDeque<T>
Sep 06 02:01:56.210 INFO kablam! 128 | | }
Sep 06 02:01:56.210 INFO kablam!     | |_- in this macro invocation
Sep 06 02:01:56.210 INFO kablam! 
Sep 06 02:01:56.210 INFO kablam! warning: unnecessary parentheses around function argument
Sep 06 02:01:56.211 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 06 02:01:56.211 INFO kablam!     |
Sep 06 02:01:56.211 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 06 02:01:56.211 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 06 02:01:56.211 INFO kablam! ...
Sep 06 02:01:56.211 INFO kablam! 119 | / generic_impls! {
Sep 06 02:01:56.211 INFO kablam! 120 | |     Vec<T>,
Sep 06 02:01:56.211 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 06 02:01:56.211 INFO kablam! 122 | |     BTreeSet<T>,
Sep 06 02:01:56.211 INFO kablam! ...   |
Sep 06 02:01:56.211 INFO kablam! 127 | |     VecDeque<T>
Sep 06 02:01:56.211 INFO kablam! 128 | | }
Sep 06 02:01:56.211 INFO kablam!     | |_- in this macro invocation
Sep 06 02:01:56.211 INFO kablam! 
Sep 06 02:02:08.858 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.32s
Sep 06 02:02:08.862 INFO kablam! su: No module specific data is present
Sep 06 02:02:10.640 INFO running `"docker" "rm" "-f" "8943df3fc8f7e424765d3906b12dbf06ac00bb8f78a8dea8d2cebbbd02b491c4"`
Sep 06 02:02:10.750 INFO blam! 8943df3fc8f7e424765d3906b12dbf06ac00bb8f78a8dea8d2cebbbd02b491c4