Nov 30 17:34:51.929 INFO checking quickercheck-0.2.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 17:34:51.929 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 17:34:52.426 INFO [stdout] 62a73ea5edb1d527f9d0c284803b78e38a57e6f84e785c458192fdbdda557cdc
Nov 30 17:34:52.430 INFO running `"docker" "start" "-a" "62a73ea5edb1d527f9d0c284803b78e38a57e6f84e785c458192fdbdda557cdc"`
Nov 30 17:34:54.088 INFO [stderr] usermod: no changes
Nov 30 17:34:54.234 INFO [stderr]     Checking quickercheck v0.2.0 (/source)
Nov 30 17:34:56.336 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 17:34:56.336 INFO [stderr]    --> src/arbitrary.rs:108:48
Nov 30 17:34:56.336 INFO [stderr]     |
Nov 30 17:34:56.336 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Nov 30 17:34:56.336 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 17:34:56.336 INFO [stderr] ...
Nov 30 17:34:56.336 INFO [stderr] 119 | / generic_impls! {
Nov 30 17:34:56.336 INFO [stderr] 120 | |     Vec<T>,
Nov 30 17:34:56.336 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 30 17:34:56.336 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 30 17:34:56.336 INFO [stderr] ...   |
Nov 30 17:34:56.336 INFO [stderr] 127 | |     VecDeque<T>
Nov 30 17:34:56.336 INFO [stderr] 128 | | }
Nov 30 17:34:56.336 INFO [stderr]     | |_- in this macro invocation
Nov 30 17:34:56.336 INFO [stderr]     |
Nov 30 17:34:56.336 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 17:34:56.336 INFO [stderr] 
Nov 30 17:34:56.336 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 17:34:56.336 INFO [stderr]    --> src/arbitrary.rs:112:47
Nov 30 17:34:56.336 INFO [stderr]     |
Nov 30 17:34:56.336 INFO [stderr] 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Nov 30 17:34:56.336 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 17:34:56.336 INFO [stderr] ...
Nov 30 17:34:56.336 INFO [stderr] 119 | / generic_impls! {
Nov 30 17:34:56.336 INFO [stderr] 120 | |     Vec<T>,
Nov 30 17:34:56.336 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 30 17:34:56.336 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 30 17:34:56.336 INFO [stderr] ...   |
Nov 30 17:34:56.336 INFO [stderr] 127 | |     VecDeque<T>
Nov 30 17:34:56.336 INFO [stderr] 128 | | }
Nov 30 17:34:56.336 INFO [stderr]     | |_- in this macro invocation
Nov 30 17:34:56.336 INFO [stderr] 
Nov 30 17:34:56.336 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 17:34:56.336 INFO [stderr]    --> src/arbitrary.rs:108:48
Nov 30 17:34:56.336 INFO [stderr]     |
Nov 30 17:34:56.336 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Nov 30 17:34:56.336 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 17:34:56.336 INFO [stderr] ...
Nov 30 17:34:56.336 INFO [stderr] 119 | / generic_impls! {
Nov 30 17:34:56.336 INFO [stderr] 120 | |     Vec<T>,
Nov 30 17:34:56.336 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 30 17:34:56.336 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 30 17:34:56.336 INFO [stderr] ...   |
Nov 30 17:34:56.336 INFO [stderr] 127 | |     VecDeque<T>
Nov 30 17:34:56.336 INFO [stderr] 128 | | }
Nov 30 17:34:56.336 INFO [stderr]     | |_- in this macro invocation
Nov 30 17:34:56.336 INFO [stderr] 
Nov 30 17:34:56.740 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 17:34:56.740 INFO [stderr]    --> src/arbitrary.rs:108:48
Nov 30 17:34:56.740 INFO [stderr]     |
Nov 30 17:34:56.740 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Nov 30 17:34:56.740 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 17:34:56.740 INFO [stderr] ...
Nov 30 17:34:56.740 INFO [stderr] 119 | / generic_impls! {
Nov 30 17:34:56.740 INFO [stderr] 120 | |     Vec<T>,
Nov 30 17:34:56.740 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 30 17:34:56.740 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 30 17:34:56.740 INFO [stderr] ...   |
Nov 30 17:34:56.740 INFO [stderr] 127 | |     VecDeque<T>
Nov 30 17:34:56.740 INFO [stderr] 128 | | }
Nov 30 17:34:56.740 INFO [stderr]     | |_- in this macro invocation
Nov 30 17:34:56.740 INFO [stderr]     |
Nov 30 17:34:56.740 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 17:34:56.740 INFO [stderr] 
Nov 30 17:34:56.740 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 17:34:56.740 INFO [stderr]    --> src/arbitrary.rs:112:47
Nov 30 17:34:56.740 INFO [stderr]     |
Nov 30 17:34:56.740 INFO [stderr] 112 |                       FromIteratorShrinker::new(($($placeholder::shrink()),*))
Nov 30 17:34:56.740 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 17:34:56.740 INFO [stderr] ...
Nov 30 17:34:56.740 INFO [stderr] 119 | / generic_impls! {
Nov 30 17:34:56.740 INFO [stderr] 120 | |     Vec<T>,
Nov 30 17:34:56.740 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 30 17:34:56.740 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 30 17:34:56.740 INFO [stderr] ...   |
Nov 30 17:34:56.740 INFO [stderr] 127 | |     VecDeque<T>
Nov 30 17:34:56.740 INFO [stderr] 128 | | }
Nov 30 17:34:56.740 INFO [stderr]     | |_- in this macro invocation
Nov 30 17:34:56.740 INFO [stderr] 
Nov 30 17:34:56.740 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 30 17:34:56.740 INFO [stderr]    --> src/arbitrary.rs:108:48
Nov 30 17:34:56.740 INFO [stderr]     |
Nov 30 17:34:56.740 INFO [stderr] 108 |                       FromIteratorGenerator::new(($($placeholder::arbitrary()),*))
Nov 30 17:34:56.740 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 17:34:56.740 INFO [stderr] ...
Nov 30 17:34:56.740 INFO [stderr] 119 | / generic_impls! {
Nov 30 17:34:56.740 INFO [stderr] 120 | |     Vec<T>,
Nov 30 17:34:56.740 INFO [stderr] 121 | |     BTreeMap<K, V>,
Nov 30 17:34:56.740 INFO [stderr] 122 | |     BTreeSet<T>,
Nov 30 17:34:56.740 INFO [stderr] ...   |
Nov 30 17:34:56.740 INFO [stderr] 127 | |     VecDeque<T>
Nov 30 17:34:56.740 INFO [stderr] 128 | | }
Nov 30 17:34:56.740 INFO [stderr]     | |_- in this macro invocation
Nov 30 17:34:56.741 INFO [stderr] 
Nov 30 17:35:10.062 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.95s
Nov 30 17:35:10.067 INFO [stderr] su: No module specific data is present
Nov 30 17:35:11.171 INFO running `"docker" "inspect" "62a73ea5edb1d527f9d0c284803b78e38a57e6f84e785c458192fdbdda557cdc"`
Nov 30 17:35:11.494 INFO running `"docker" "rm" "-f" "62a73ea5edb1d527f9d0c284803b78e38a57e6f84e785c458192fdbdda557cdc"`
Nov 30 17:35:11.828 INFO [stdout] 62a73ea5edb1d527f9d0c284803b78e38a57e6f84e785c458192fdbdda557cdc