Nov 28 20:07:50.986 INFO checking quickercheck-0.2.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 20:07:50.986 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 20:07:51.474 INFO [stdout] 105f910bce0a14715c5ce64f2b207986bef9b30f3ca5f2710518ed87c3f28eb9
Nov 28 20:07:51.480 INFO running `"docker" "start" "-a" "105f910bce0a14715c5ce64f2b207986bef9b30f3ca5f2710518ed87c3f28eb9"`
Nov 28 20:07:52.658 INFO [stderr] usermod: no changes
Nov 28 20:07:52.761 INFO [stderr]     Checking quickercheck v0.2.0 (/source)
Nov 28 20:07:55.396 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 28 20:07:55.396 INFO [stderr]    --> src/arbitrary.rs:108:48
Nov 28 20:07:55.396 INFO [stderr]     |
Nov 28 20:07:55.396 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Nov 28 20:07:55.396 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 20:07:55.396 INFO [stderr] ...
Nov 28 20:07:55.396 INFO [stderr] 119 | / generic_impls! {
Nov 28 20:07:55.396 INFO [stderr] 120 | |     Vec<T>,
Nov 28 20:07:55.396 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 28 20:07:55.396 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 28 20:07:55.396 INFO [stderr] ...   |
Nov 28 20:07:55.396 INFO [stderr] 127 | |     VecDeque<T>
Nov 28 20:07:55.396 INFO [stderr] 128 | | }
Nov 28 20:07:55.396 INFO [stderr]     | |_- in this macro invocation
Nov 28 20:07:55.396 INFO [stderr]     |
Nov 28 20:07:55.396 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 28 20:07:55.396 INFO [stderr] 
Nov 28 20:07:55.396 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 28 20:07:55.396 INFO [stderr]    --> src/arbitrary.rs:112:47
Nov 28 20:07:55.396 INFO [stderr]     |
Nov 28 20:07:55.396 INFO [stderr] 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Nov 28 20:07:55.396 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 20:07:55.396 INFO [stderr] ...
Nov 28 20:07:55.396 INFO [stderr] 119 | / generic_impls! {
Nov 28 20:07:55.396 INFO [stderr] 120 | |     Vec<T>,
Nov 28 20:07:55.396 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 28 20:07:55.397 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 28 20:07:55.397 INFO [stderr] ...   |
Nov 28 20:07:55.397 INFO [stderr] 127 | |     VecDeque<T>
Nov 28 20:07:55.397 INFO [stderr] 128 | | }
Nov 28 20:07:55.397 INFO [stderr]     | |_- in this macro invocation
Nov 28 20:07:55.397 INFO [stderr] 
Nov 28 20:07:55.397 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 28 20:07:55.397 INFO [stderr]    --> src/arbitrary.rs:108:48
Nov 28 20:07:55.397 INFO [stderr]     |
Nov 28 20:07:55.397 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Nov 28 20:07:55.397 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 20:07:55.397 INFO [stderr] ...
Nov 28 20:07:55.397 INFO [stderr] 119 | / generic_impls! {
Nov 28 20:07:55.397 INFO [stderr] 120 | |     Vec<T>,
Nov 28 20:07:55.397 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 28 20:07:55.397 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 28 20:07:55.397 INFO [stderr] ...   |
Nov 28 20:07:55.397 INFO [stderr] 127 | |     VecDeque<T>
Nov 28 20:07:55.397 INFO [stderr] 128 | | }
Nov 28 20:07:55.397 INFO [stderr]     | |_- in this macro invocation
Nov 28 20:07:55.397 INFO [stderr] 
Nov 28 20:07:55.397 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 28 20:07:55.397 INFO [stderr]    --> src/arbitrary.rs:108:48
Nov 28 20:07:55.397 INFO [stderr]     |
Nov 28 20:07:55.397 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Nov 28 20:07:55.397 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 20:07:55.397 INFO [stderr] ...
Nov 28 20:07:55.397 INFO [stderr] 119 | / generic_impls! {
Nov 28 20:07:55.397 INFO [stderr] 120 | |     Vec<T>,
Nov 28 20:07:55.397 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 28 20:07:55.397 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 28 20:07:55.397 INFO [stderr] ...   |
Nov 28 20:07:55.397 INFO [stderr] 127 | |     VecDeque<T>
Nov 28 20:07:55.397 INFO [stderr] 128 | | }
Nov 28 20:07:55.397 INFO [stderr]     | |_- in this macro invocation
Nov 28 20:07:55.397 INFO [stderr]     |
Nov 28 20:07:55.397 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 28 20:07:55.397 INFO [stderr] 
Nov 28 20:07:55.397 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 28 20:07:55.397 INFO [stderr]    --> src/arbitrary.rs:112:47
Nov 28 20:07:55.397 INFO [stderr]     |
Nov 28 20:07:55.397 INFO [stderr] 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Nov 28 20:07:55.397 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 20:07:55.397 INFO [stderr] ...
Nov 28 20:07:55.397 INFO [stderr] 119 | / generic_impls! {
Nov 28 20:07:55.397 INFO [stderr] 120 | |     Vec<T>,
Nov 28 20:07:55.397 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 28 20:07:55.397 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 28 20:07:55.397 INFO [stderr] ...   |
Nov 28 20:07:55.397 INFO [stderr] 127 | |     VecDeque<T>
Nov 28 20:07:55.397 INFO [stderr] 128 | | }
Nov 28 20:07:55.397 INFO [stderr]     | |_- in this macro invocation
Nov 28 20:07:55.397 INFO [stderr] 
Nov 28 20:07:55.397 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 28 20:07:55.397 INFO [stderr]    --> src/arbitrary.rs:108:48
Nov 28 20:07:55.397 INFO [stderr]     |
Nov 28 20:07:55.397 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Nov 28 20:07:55.397 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 20:07:55.397 INFO [stderr] ...
Nov 28 20:07:55.397 INFO [stderr] 119 | / generic_impls! {
Nov 28 20:07:55.397 INFO [stderr] 120 | |     Vec<T>,
Nov 28 20:07:55.397 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 28 20:07:55.397 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 28 20:07:55.397 INFO [stderr] ...   |
Nov 28 20:07:55.397 INFO [stderr] 127 | |     VecDeque<T>
Nov 28 20:07:55.397 INFO [stderr] 128 | | }
Nov 28 20:07:55.397 INFO [stderr]     | |_- in this macro invocation
Nov 28 20:07:55.397 INFO [stderr] 
Nov 28 20:08:08.220 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.54s
Nov 28 20:08:08.225 INFO [stderr] su: No module specific data is present
Nov 28 20:08:08.973 INFO running `"docker" "inspect" "105f910bce0a14715c5ce64f2b207986bef9b30f3ca5f2710518ed87c3f28eb9"`
Nov 28 20:08:09.340 INFO running `"docker" "rm" "-f" "105f910bce0a14715c5ce64f2b207986bef9b30f3ca5f2710518ed87c3f28eb9"`
Nov 28 20:08:09.640 INFO [stdout] 105f910bce0a14715c5ce64f2b207986bef9b30f3ca5f2710518ed87c3f28eb9