Dec 15 00:27:07.714 INFO testing quickercheck-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 00:27:07.714 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 15 00:27:07.911 INFO [stdout] c72d89c0ad5b3ec335079e7f931fb081de36b073b505e64c4fc684128fe546b6
Dec 15 00:27:07.916 INFO running `"docker" "start" "-a" "c72d89c0ad5b3ec335079e7f931fb081de36b073b505e64c4fc684128fe546b6"`
Dec 15 00:27:09.491 INFO [stderr] usermod: no changes
Dec 15 00:27:09.654 INFO [stderr]    Compiling quickercheck v0.2.0 (/source)
Dec 15 00:27:11.557 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 15 00:27:11.558 INFO [stderr]    --> src/arbitrary.rs:108:48
Dec 15 00:27:11.558 INFO [stderr]     |
Dec 15 00:27:11.558 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Dec 15 00:27:11.558 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 00:27:11.558 INFO [stderr] ...
Dec 15 00:27:11.558 INFO [stderr] 119 | / generic_impls! {
Dec 15 00:27:11.558 INFO [stderr] 120 | |     Vec<T>,
Dec 15 00:27:11.558 INFO [stderr] 121 | |     BTreeMap<K, V>,
Dec 15 00:27:11.558 INFO [stderr] 122 | |     BTreeSet<T>,
Dec 15 00:27:11.558 INFO [stderr] ...   |
Dec 15 00:27:11.558 INFO [stderr] 127 | |     VecDeque<T>
Dec 15 00:27:11.558 INFO [stderr] 128 | | }
Dec 15 00:27:11.558 INFO [stderr]     | |_- in this macro invocation
Dec 15 00:27:11.558 INFO [stderr]     |
Dec 15 00:27:11.558 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 15 00:27:11.558 INFO [stderr] 
Dec 15 00:27:11.558 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 15 00:27:11.558 INFO [stderr]    --> src/arbitrary.rs:112:47
Dec 15 00:27:11.558 INFO [stderr]     |
Dec 15 00:27:11.558 INFO [stderr] 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Dec 15 00:27:11.558 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 00:27:11.558 INFO [stderr] ...
Dec 15 00:27:11.558 INFO [stderr] 119 | / generic_impls! {
Dec 15 00:27:11.558 INFO [stderr] 120 | |     Vec<T>,
Dec 15 00:27:11.558 INFO [stderr] 121 | |     BTreeMap<K, V>,
Dec 15 00:27:11.558 INFO [stderr] 122 | |     BTreeSet<T>,
Dec 15 00:27:11.558 INFO [stderr] ...   |
Dec 15 00:27:11.558 INFO [stderr] 127 | |     VecDeque<T>
Dec 15 00:27:11.558 INFO [stderr] 128 | | }
Dec 15 00:27:11.558 INFO [stderr]     | |_- in this macro invocation
Dec 15 00:27:11.558 INFO [stderr] 
Dec 15 00:27:11.558 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 15 00:27:11.558 INFO [stderr]    --> src/arbitrary.rs:108:48
Dec 15 00:27:11.558 INFO [stderr]     |
Dec 15 00:27:11.558 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Dec 15 00:27:11.558 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 00:27:11.558 INFO [stderr] ...
Dec 15 00:27:11.558 INFO [stderr] 119 | / generic_impls! {
Dec 15 00:27:11.558 INFO [stderr] 120 | |     Vec<T>,
Dec 15 00:27:11.558 INFO [stderr] 121 | |     BTreeMap<K, V>,
Dec 15 00:27:11.558 INFO [stderr] 122 | |     BTreeSet<T>,
Dec 15 00:27:11.558 INFO [stderr] ...   |
Dec 15 00:27:11.558 INFO [stderr] 127 | |     VecDeque<T>
Dec 15 00:27:11.558 INFO [stderr] 128 | | }
Dec 15 00:27:11.558 INFO [stderr]     | |_- in this macro invocation
Dec 15 00:27:11.558 INFO [stderr] 
Dec 15 00:27:19.510 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.98s
Dec 15 00:27:19.519 INFO [stderr] su: No module specific data is present
Dec 15 00:27:20.677 INFO running `"docker" "inspect" "c72d89c0ad5b3ec335079e7f931fb081de36b073b505e64c4fc684128fe546b6"`
Dec 15 00:27:20.859 INFO running `"docker" "rm" "-f" "c72d89c0ad5b3ec335079e7f931fb081de36b073b505e64c4fc684128fe546b6"`
Dec 15 00:27:21.083 INFO [stdout] c72d89c0ad5b3ec335079e7f931fb081de36b073b505e64c4fc684128fe546b6
Dec 15 00:27:21.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 15 00:27:21.479 INFO [stdout] f7a8b56ad6b95e66ea1f88ab61d9deda2b1f4a4c2f467f5f0cff3179b49c2bc0
Dec 15 00:27:21.487 INFO running `"docker" "start" "-a" "f7a8b56ad6b95e66ea1f88ab61d9deda2b1f4a4c2f467f5f0cff3179b49c2bc0"`
Dec 15 00:27:22.379 INFO [stderr] usermod: no changes
Dec 15 00:27:22.491 INFO [stderr]    Compiling quickercheck v0.2.0 (/source)
Dec 15 00:27:24.306 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 15 00:27:24.306 INFO [stderr]    --> src/arbitrary.rs:108:48
Dec 15 00:27:24.306 INFO [stderr]     |
Dec 15 00:27:24.306 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Dec 15 00:27:24.306 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 00:27:24.306 INFO [stderr] ...
Dec 15 00:27:24.306 INFO [stderr] 119 | / generic_impls! {
Dec 15 00:27:24.306 INFO [stderr] 120 | |     Vec<T>,
Dec 15 00:27:24.306 INFO [stderr] 121 | |     BTreeMap<K, V>,
Dec 15 00:27:24.306 INFO [stderr] 122 | |     BTreeSet<T>,
Dec 15 00:27:24.306 INFO [stderr] ...   |
Dec 15 00:27:24.307 INFO [stderr] 127 | |     VecDeque<T>
Dec 15 00:27:24.307 INFO [stderr] 128 | | }
Dec 15 00:27:24.307 INFO [stderr]     | |_- in this macro invocation
Dec 15 00:27:24.307 INFO [stderr]     |
Dec 15 00:27:24.307 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 15 00:27:24.307 INFO [stderr] 
Dec 15 00:27:24.307 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 15 00:27:24.307 INFO [stderr]    --> src/arbitrary.rs:112:47
Dec 15 00:27:24.307 INFO [stderr]     |
Dec 15 00:27:24.307 INFO [stderr] 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Dec 15 00:27:24.307 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 00:27:24.307 INFO [stderr] ...
Dec 15 00:27:24.307 INFO [stderr] 119 | / generic_impls! {
Dec 15 00:27:24.307 INFO [stderr] 120 | |     Vec<T>,
Dec 15 00:27:24.307 INFO [stderr] 121 | |     BTreeMap<K, V>,
Dec 15 00:27:24.307 INFO [stderr] 122 | |     BTreeSet<T>,
Dec 15 00:27:24.307 INFO [stderr] ...   |
Dec 15 00:27:24.307 INFO [stderr] 127 | |     VecDeque<T>
Dec 15 00:27:24.307 INFO [stderr] 128 | | }
Dec 15 00:27:24.307 INFO [stderr]     | |_- in this macro invocation
Dec 15 00:27:24.307 INFO [stderr] 
Dec 15 00:27:24.307 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 15 00:27:24.307 INFO [stderr]    --> src/arbitrary.rs:108:48
Dec 15 00:27:24.307 INFO [stderr]     |
Dec 15 00:27:24.307 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Dec 15 00:27:24.307 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 00:27:24.307 INFO [stderr] ...
Dec 15 00:27:24.307 INFO [stderr] 119 | / generic_impls! {
Dec 15 00:27:24.307 INFO [stderr] 120 | |     Vec<T>,
Dec 15 00:27:24.307 INFO [stderr] 121 | |     BTreeMap<K, V>,
Dec 15 00:27:24.307 INFO [stderr] 122 | |     BTreeSet<T>,
Dec 15 00:27:24.307 INFO [stderr] ...   |
Dec 15 00:27:24.307 INFO [stderr] 127 | |     VecDeque<T>
Dec 15 00:27:24.307 INFO [stderr] 128 | | }
Dec 15 00:27:24.307 INFO [stderr]     | |_- in this macro invocation
Dec 15 00:27:24.307 INFO [stderr] 
Dec 15 00:27:35.860 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.44s
Dec 15 00:27:35.866 INFO [stderr] su: No module specific data is present
Dec 15 00:27:36.964 INFO running `"docker" "inspect" "f7a8b56ad6b95e66ea1f88ab61d9deda2b1f4a4c2f467f5f0cff3179b49c2bc0"`
Dec 15 00:27:37.195 INFO running `"docker" "rm" "-f" "f7a8b56ad6b95e66ea1f88ab61d9deda2b1f4a4c2f467f5f0cff3179b49c2bc0"`
Dec 15 00:27:37.483 INFO [stdout] f7a8b56ad6b95e66ea1f88ab61d9deda2b1f4a4c2f467f5f0cff3179b49c2bc0
Dec 15 00:27:37.490 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 15 00:27:37.721 INFO [stdout] e665b8018b7f8e5ff6862b0af220348c9338c6cc1d0480c5b2993a20d7a31059
Dec 15 00:27:37.723 INFO running `"docker" "start" "-a" "e665b8018b7f8e5ff6862b0af220348c9338c6cc1d0480c5b2993a20d7a31059"`
Dec 15 00:27:38.169 INFO [stderr] usermod: no changes
Dec 15 00:27:38.212 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 15 00:27:38.214 INFO [stderr]      Running /target/debug/deps/quickercheck-4fdb34c518eedc4d
Dec 15 00:27:38.216 INFO [stdout] 
Dec 15 00:27:38.216 INFO [stdout] running 30 tests
Dec 15 00:27:38.216 INFO [stdout] test property::tests::test_simple_property ... ok
Dec 15 00:27:38.226 INFO [stdout] test generate::tests::gen_unit ... ok
Dec 15 00:27:38.226 INFO [stdout] test property::tests::test_when_property ... ok
Dec 15 00:27:38.226 INFO [stdout] test property::tests::test_for_all_property ... ok
Dec 15 00:27:38.239 INFO [stdout] test property::tests::test_generic_property ... ok
Dec 15 00:27:38.239 INFO [stdout] test generate::tests::gen_i8 ... ok
Dec 15 00:27:38.239 INFO [stdout] test testable::tests::for_all_with_two_arguments_is_testable ... ok
Dec 15 00:27:38.239 INFO [stdout] test testable::tests::cast_fn_is_testable2 ... ok
Dec 15 00:27:38.239 INFO [stdout] test generate::tests::gen_u8 ... ok
Dec 15 00:27:38.240 INFO [stdout] test testable::tests::property_returning_non_test_result_is_testable ... ok
Dec 15 00:27:38.242 INFO [stdout] test testable::tests::property_is_testable_by_reference ... ok
Dec 15 00:27:38.246 INFO [stdout] test testable::tests::for_all_is_testable ... ok
Dec 15 00:27:38.254 INFO [stdout] test testable::tests::cast_fn_is_testable ... ok
Dec 15 00:27:38.259 INFO [stdout] test tests::failing_reverse_combine ... ok
Dec 15 00:27:38.262 INFO [stdout] test testable::tests::property_with_args_is_testable ... ok
Dec 15 00:27:38.264 INFO [stdout] test tests::max ... ok
Dec 15 00:27:38.272 INFO [stdout] test tests::sieve_not_all_primes ... ok
Dec 15 00:27:38.273 INFO [stdout] test testable::tests::when_property_is_testable ... ok
Dec 15 00:27:38.277 INFO [stdout] test tests::sieve_not_prime ... ok
Dec 15 00:27:38.283 INFO [stdout] test testable::tests::property_is_testable ... ok
Dec 15 00:27:38.287 INFO [stdout] test tests::prop_reverse_reverse ... ok
Dec 15 00:27:38.287 INFO [stdout] test tests::testable_result_err2 ... ok
Dec 15 00:27:38.294 INFO [stdout] test tests::sort ... ok
Dec 15 00:27:38.299 INFO [stdout] test tests::reverse_app ... ok
Dec 15 00:27:38.305 INFO [stdout] test tests::testable_result ... ok
Dec 15 00:27:38.308 INFO [stdout] test tests::testable_unit ... ok
Dec 15 00:27:38.332 INFO [stdout] test tests::failing_property ... ok
Dec 15 00:27:38.342 INFO [stdout] test tests::prop_oob ... ok
Dec 15 00:27:38.343 INFO [stdout] test tests::testable_result_err ... ok
Dec 15 00:27:38.343 INFO [stdout] test tests::reverse_single ... ok
Dec 15 00:27:38.343 INFO [stdout] 
Dec 15 00:27:38.343 INFO [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 00:27:38.343 INFO [stdout] 
Dec 15 00:27:38.345 INFO [stderr]    Doc-tests quickercheck
Dec 15 00:27:40.934 INFO [stdout] 
Dec 15 00:27:40.934 INFO [stdout] running 0 tests
Dec 15 00:27:40.934 INFO [stdout] 
Dec 15 00:27:40.934 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 00:27:40.934 INFO [stdout] 
Dec 15 00:27:40.943 INFO [stderr] su: No module specific data is present
Dec 15 00:27:41.283 INFO running `"docker" "inspect" "e665b8018b7f8e5ff6862b0af220348c9338c6cc1d0480c5b2993a20d7a31059"`
Dec 15 00:27:41.360 INFO running `"docker" "rm" "-f" "e665b8018b7f8e5ff6862b0af220348c9338c6cc1d0480c5b2993a20d7a31059"`
Dec 15 00:27:41.440 INFO [stdout] e665b8018b7f8e5ff6862b0af220348c9338c6cc1d0480c5b2993a20d7a31059