Oct 13 10:25:53.694 INFO checking quickercheck-0.2.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 10:25:53.695 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 10:25:53.959 INFO blam! 6140001c9cbf6d491eafb71c61c2429276efe0b36fe9383884a708655bfa39f8
Oct 13 10:25:53.961 INFO running `"docker" "start" "-a" "6140001c9cbf6d491eafb71c61c2429276efe0b36fe9383884a708655bfa39f8"`
Oct 13 10:25:55.414 INFO kablam! usermod: no changes
Oct 13 10:25:55.509 INFO kablam!     Checking quickercheck v0.2.0 (/source)
Oct 13 10:25:58.453 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:25:58.453 INFO kablam!    --> src/arbitrary.rs:108:48
Oct 13 10:25:58.453 INFO kablam!     |
Oct 13 10:25:58.453 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Oct 13 10:25:58.453 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 10:25:58.453 INFO kablam! ...
Oct 13 10:25:58.453 INFO kablam! 119 | / generic_impls! {
Oct 13 10:25:58.453 INFO kablam! 120 | |     Vec<T>,
Oct 13 10:25:58.453 INFO kablam! 121 | |     BTreeMap<K, V>,
Oct 13 10:25:58.453 INFO kablam! 122 | |     BTreeSet<T>,
Oct 13 10:25:58.453 INFO kablam! ...   |
Oct 13 10:25:58.453 INFO kablam! 127 | |     VecDeque<T>
Oct 13 10:25:58.453 INFO kablam! 128 | | }
Oct 13 10:25:58.453 INFO kablam!     | |_- in this macro invocation
Oct 13 10:25:58.453 INFO kablam!     |
Oct 13 10:25:58.453 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 10:25:58.453 INFO kablam! 
Oct 13 10:25:58.453 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:25:58.453 INFO kablam!    --> src/arbitrary.rs:112:47
Oct 13 10:25:58.453 INFO kablam!     |
Oct 13 10:25:58.453 INFO kablam! 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Oct 13 10:25:58.453 INFO kablam!     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 10:25:58.453 INFO kablam! ...
Oct 13 10:25:58.453 INFO kablam! 119 | / generic_impls! {
Oct 13 10:25:58.453 INFO kablam! 120 | |     Vec<T>,
Oct 13 10:25:58.453 INFO kablam! 121 | |     BTreeMap<K, V>,
Oct 13 10:25:58.453 INFO kablam! 122 | |     BTreeSet<T>,
Oct 13 10:25:58.453 INFO kablam! ...   |
Oct 13 10:25:58.453 INFO kablam! 127 | |     VecDeque<T>
Oct 13 10:25:58.453 INFO kablam! 128 | | }
Oct 13 10:25:58.453 INFO kablam!     | |_- in this macro invocation
Oct 13 10:25:58.453 INFO kablam! 
Oct 13 10:25:58.453 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:25:58.453 INFO kablam!    --> src/arbitrary.rs:108:48
Oct 13 10:25:58.453 INFO kablam!     |
Oct 13 10:25:58.453 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Oct 13 10:25:58.453 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 10:25:58.453 INFO kablam! ...
Oct 13 10:25:58.453 INFO kablam! 119 | / generic_impls! {
Oct 13 10:25:58.453 INFO kablam! 120 | |     Vec<T>,
Oct 13 10:25:58.453 INFO kablam! 121 | |     BTreeMap<K, V>,
Oct 13 10:25:58.453 INFO kablam! 122 | |     BTreeSet<T>,
Oct 13 10:25:58.453 INFO kablam! ...   |
Oct 13 10:25:58.453 INFO kablam! 127 | |     VecDeque<T>
Oct 13 10:25:58.453 INFO kablam! 128 | | }
Oct 13 10:25:58.453 INFO kablam!     | |_- in this macro invocation
Oct 13 10:25:58.453 INFO kablam! 
Oct 13 10:25:58.463 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:25:58.463 INFO kablam!    --> src/arbitrary.rs:108:48
Oct 13 10:25:58.463 INFO kablam!     |
Oct 13 10:25:58.463 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Oct 13 10:25:58.463 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 10:25:58.463 INFO kablam! ...
Oct 13 10:25:58.463 INFO kablam! 119 | / generic_impls! {
Oct 13 10:25:58.463 INFO kablam! 120 | |     Vec<T>,
Oct 13 10:25:58.463 INFO kablam! 121 | |     BTreeMap<K, V>,
Oct 13 10:25:58.463 INFO kablam! 122 | |     BTreeSet<T>,
Oct 13 10:25:58.463 INFO kablam! ...   |
Oct 13 10:25:58.463 INFO kablam! 127 | |     VecDeque<T>
Oct 13 10:25:58.463 INFO kablam! 128 | | }
Oct 13 10:25:58.463 INFO kablam!     | |_- in this macro invocation
Oct 13 10:25:58.463 INFO kablam!     |
Oct 13 10:25:58.463 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 10:25:58.463 INFO kablam! 
Oct 13 10:25:58.463 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:25:58.463 INFO kablam!    --> src/arbitrary.rs:112:47
Oct 13 10:25:58.463 INFO kablam!     |
Oct 13 10:25:58.463 INFO kablam! 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Oct 13 10:25:58.463 INFO kablam!     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 10:25:58.463 INFO kablam! ...
Oct 13 10:25:58.463 INFO kablam! 119 | / generic_impls! {
Oct 13 10:25:58.463 INFO kablam! 120 | |     Vec<T>,
Oct 13 10:25:58.463 INFO kablam! 121 | |     BTreeMap<K, V>,
Oct 13 10:25:58.463 INFO kablam! 122 | |     BTreeSet<T>,
Oct 13 10:25:58.463 INFO kablam! ...   |
Oct 13 10:25:58.463 INFO kablam! 127 | |     VecDeque<T>
Oct 13 10:25:58.463 INFO kablam! 128 | | }
Oct 13 10:25:58.463 INFO kablam!     | |_- in this macro invocation
Oct 13 10:25:58.463 INFO kablam! 
Oct 13 10:25:58.463 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:25:58.463 INFO kablam!    --> src/arbitrary.rs:108:48
Oct 13 10:25:58.463 INFO kablam!     |
Oct 13 10:25:58.463 INFO kablam! 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Oct 13 10:25:58.463 INFO kablam!     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 10:25:58.463 INFO kablam! ...
Oct 13 10:25:58.463 INFO kablam! 119 | / generic_impls! {
Oct 13 10:25:58.463 INFO kablam! 120 | |     Vec<T>,
Oct 13 10:25:58.463 INFO kablam! 121 | |     BTreeMap<K, V>,
Oct 13 10:25:58.463 INFO kablam! 122 | |     BTreeSet<T>,
Oct 13 10:25:58.463 INFO kablam! ...   |
Oct 13 10:25:58.463 INFO kablam! 127 | |     VecDeque<T>
Oct 13 10:25:58.463 INFO kablam! 128 | | }
Oct 13 10:25:58.463 INFO kablam!     | |_- in this macro invocation
Oct 13 10:25:58.463 INFO kablam! 
Oct 13 10:26:13.643 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.21s
Oct 13 10:26:13.656 INFO kablam! su: No module specific data is present
Oct 13 10:26:14.497 INFO running `"docker" "rm" "-f" "6140001c9cbf6d491eafb71c61c2429276efe0b36fe9383884a708655bfa39f8"`
Oct 13 10:26:14.676 INFO blam! 6140001c9cbf6d491eafb71c61c2429276efe0b36fe9383884a708655bfa39f8