Sep 10 12:23:28.352 INFO checking quickercheck-0.2.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 12:23:28.352 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 12:23:28.352 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:23:28.535 INFO blam! 90ea314b6e9c9fc42de179983f3360e79aa752109e5e7c1c6eb63fe69217bff4
Sep 10 12:23:28.539 INFO running `"docker" "start" "-a" "90ea314b6e9c9fc42de179983f3360e79aa752109e5e7c1c6eb63fe69217bff4"`
Sep 10 12:23:29.724 INFO kablam! usermod: no changes
Sep 10 12:23:29.774 INFO kablam!     Checking quickercheck v0.2.0 (file:///source)
Sep 10 12:23:30.582 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.582 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 10 12:23:30.582 INFO kablam!     |
Sep 10 12:23:30.582 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 10 12:23:30.582 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.582 INFO kablam! ...
Sep 10 12:23:30.582 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.582 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.582 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.582 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.582 INFO kablam! ...   |
Sep 10 12:23:30.582 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.582 INFO kablam! 128 | | }
Sep 10 12:23:30.582 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.582 INFO kablam!     |
Sep 10 12:23:30.582 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 10 12:23:30.582 INFO kablam! 
Sep 10 12:23:30.582 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.582 INFO kablam!    --> src/arbitrary.rs:112:47
Sep 10 12:23:30.582 INFO kablam!     |
Sep 10 12:23:30.582 INFO kablam! 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Sep 10 12:23:30.582 INFO kablam!     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.582 INFO kablam! ...
Sep 10 12:23:30.582 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.582 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.582 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.582 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.582 INFO kablam! ...   |
Sep 10 12:23:30.582 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.582 INFO kablam! 128 | | }
Sep 10 12:23:30.582 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.582 INFO kablam! 
Sep 10 12:23:30.582 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.582 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 10 12:23:30.582 INFO kablam!     |
Sep 10 12:23:30.582 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 10 12:23:30.582 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.582 INFO kablam! ...
Sep 10 12:23:30.582 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.582 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.582 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.582 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.582 INFO kablam! ...   |
Sep 10 12:23:30.583 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.583 INFO kablam! 128 | | }
Sep 10 12:23:30.583 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.583 INFO kablam! 
Sep 10 12:23:30.702 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.702 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 10 12:23:30.702 INFO kablam!     |
Sep 10 12:23:30.702 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 10 12:23:30.702 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.702 INFO kablam! ...
Sep 10 12:23:30.702 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.702 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.702 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.702 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.702 INFO kablam! ...   |
Sep 10 12:23:30.702 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.702 INFO kablam! 128 | | }
Sep 10 12:23:30.702 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.702 INFO kablam!     |
Sep 10 12:23:30.702 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 10 12:23:30.702 INFO kablam! 
Sep 10 12:23:30.702 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.702 INFO kablam!    --> src/arbitrary.rs:112:47
Sep 10 12:23:30.702 INFO kablam!     |
Sep 10 12:23:30.702 INFO kablam! 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Sep 10 12:23:30.702 INFO kablam!     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.702 INFO kablam! ...
Sep 10 12:23:30.702 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.702 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.702 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.702 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.702 INFO kablam! ...   |
Sep 10 12:23:30.702 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.702 INFO kablam! 128 | | }
Sep 10 12:23:30.702 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.702 INFO kablam! 
Sep 10 12:23:30.703 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:23:30.703 INFO kablam!    --> src/arbitrary.rs:108:48
Sep 10 12:23:30.703 INFO kablam!     |
Sep 10 12:23:30.703 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Sep 10 12:23:30.703 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:23:30.703 INFO kablam! ...
Sep 10 12:23:30.703 INFO kablam! 119 | / generic_impls! {
Sep 10 12:23:30.703 INFO kablam! 120 | |     Vec<T>,
Sep 10 12:23:30.703 INFO kablam! 121 | |     BTreeMap<K, V>,
Sep 10 12:23:30.703 INFO kablam! 122 | |     BTreeSet<T>,
Sep 10 12:23:30.703 INFO kablam! ...   |
Sep 10 12:23:30.703 INFO kablam! 127 | |     VecDeque<T>
Sep 10 12:23:30.703 INFO kablam! 128 | | }
Sep 10 12:23:30.703 INFO kablam!     | |_- in this macro invocation
Sep 10 12:23:30.703 INFO kablam! 
Sep 10 12:23:42.863 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.12s
Sep 10 12:23:42.874 INFO kablam! su: No module specific data is present
Sep 10 12:23:44.352 INFO running `"docker" "rm" "-f" "90ea314b6e9c9fc42de179983f3360e79aa752109e5e7c1c6eb63fe69217bff4"`
Sep 10 12:23:44.471 INFO blam! 90ea314b6e9c9fc42de179983f3360e79aa752109e5e7c1c6eb63fe69217bff4