Dec 15 02:43:19.801 INFO testing orset-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 02:43:19.801 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02:43:20.067 INFO [stdout] b70045588208725b69bfd50b8d4bf02f0db287b47fa940712cc968b7654aceac
Dec 15 02:43:20.070 INFO running `"docker" "start" "-a" "b70045588208725b69bfd50b8d4bf02f0db287b47fa940712cc968b7654aceac"`
Dec 15 02:43:20.725 INFO [stderr] usermod: no changes
Dec 15 02:43:20.798 INFO [stderr]    Compiling orset v0.2.0 (/source)
Dec 15 02:43:21.670 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:43:21.671 INFO [stderr]   --> src/lib.rs:77:13
Dec 15 02:43:21.671 INFO [stderr]    |
Dec 15 02:43:21.671 INFO [stderr] 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Dec 15 02:43:21.671 INFO [stderr]    |             ----^^^^
Dec 15 02:43:21.671 INFO [stderr]    |             |
Dec 15 02:43:21.671 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:43:21.671 INFO [stderr]    |
Dec 15 02:43:21.671 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 02:43:21.671 INFO [stderr] 
Dec 15 02:43:21.671 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:43:21.671 INFO [stderr]   --> src/lib.rs:89:13
Dec 15 02:43:21.671 INFO [stderr]    |
Dec 15 02:43:21.671 INFO [stderr] 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Dec 15 02:43:21.671 INFO [stderr]    |             ----^^^^^^^
Dec 15 02:43:21.671 INFO [stderr]    |             |
Dec 15 02:43:21.671 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:43:21.671 INFO [stderr] 
Dec 15 02:43:21.671 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:43:21.671 INFO [stderr]   --> src/lib.rs:90:13
Dec 15 02:43:21.671 INFO [stderr]    |
Dec 15 02:43:21.671 INFO [stderr] 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Dec 15 02:43:21.671 INFO [stderr]    |             ----^^^^
Dec 15 02:43:21.671 INFO [stderr]    |             |
Dec 15 02:43:21.671 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:43:21.671 INFO [stderr] 
Dec 15 02:43:21.746 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 15 02:43:21.751 INFO [stderr] su: No module specific data is present
Dec 15 02:43:22.164 INFO running `"docker" "inspect" "b70045588208725b69bfd50b8d4bf02f0db287b47fa940712cc968b7654aceac"`
Dec 15 02:43:22.294 INFO running `"docker" "rm" "-f" "b70045588208725b69bfd50b8d4bf02f0db287b47fa940712cc968b7654aceac"`
Dec 15 02:43:22.484 INFO [stdout] b70045588208725b69bfd50b8d4bf02f0db287b47fa940712cc968b7654aceac
Dec 15 02:43:22.489 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02:43:22.883 INFO [stdout] fe10c0dee66fb4aebfe715864d406d37967a069993c33c846aed4877217ffcda
Dec 15 02:43:22.885 INFO running `"docker" "start" "-a" "fe10c0dee66fb4aebfe715864d406d37967a069993c33c846aed4877217ffcda"`
Dec 15 02:43:23.658 INFO [stderr] usermod: no changes
Dec 15 02:43:23.767 INFO [stderr]    Compiling orset v0.2.0 (/source)
Dec 15 02:43:25.574 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:43:25.575 INFO [stderr]   --> src/lib.rs:77:13
Dec 15 02:43:25.575 INFO [stderr]    |
Dec 15 02:43:25.575 INFO [stderr] 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Dec 15 02:43:25.575 INFO [stderr]    |             ----^^^^
Dec 15 02:43:25.575 INFO [stderr]    |             |
Dec 15 02:43:25.575 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:43:25.575 INFO [stderr]    |
Dec 15 02:43:25.575 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 02:43:25.575 INFO [stderr] 
Dec 15 02:43:25.576 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:43:25.576 INFO [stderr]   --> src/lib.rs:89:13
Dec 15 02:43:25.576 INFO [stderr]    |
Dec 15 02:43:25.576 INFO [stderr] 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Dec 15 02:43:25.576 INFO [stderr]    |             ----^^^^^^^
Dec 15 02:43:25.576 INFO [stderr]    |             |
Dec 15 02:43:25.576 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:43:25.576 INFO [stderr] 
Dec 15 02:43:25.576 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:43:25.576 INFO [stderr]   --> src/lib.rs:90:13
Dec 15 02:43:25.576 INFO [stderr]    |
Dec 15 02:43:25.576 INFO [stderr] 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Dec 15 02:43:25.576 INFO [stderr]    |             ----^^^^
Dec 15 02:43:25.576 INFO [stderr]    |             |
Dec 15 02:43:25.576 INFO [stderr]    |             help: remove this `mut`
Dec 15 02:43:25.576 INFO [stderr] 
Dec 15 02:43:25.619 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:43:25.619 INFO [stderr]    --> src/lib.rs:517:13
Dec 15 02:43:25.619 INFO [stderr]     |
Dec 15 02:43:25.619 INFO [stderr] 517 |         let mut orset =
Dec 15 02:43:25.619 INFO [stderr]     |             ----^^^^^
Dec 15 02:43:25.619 INFO [stderr]     |             |
Dec 15 02:43:25.619 INFO [stderr]     |             help: remove this `mut`
Dec 15 02:43:25.619 INFO [stderr] 
Dec 15 02:43:25.619 INFO [stderr] warning: variable does not need to be mutable
Dec 15 02:43:25.619 INFO [stderr]    --> src/lib.rs:520:13
Dec 15 02:43:25.619 INFO [stderr]     |
Dec 15 02:43:25.619 INFO [stderr] 520 |         let mut mutator = mutators.entry(node).or_insert(Vec::new());
Dec 15 02:43:25.619 INFO [stderr]     |             ----^^^^^^^
Dec 15 02:43:25.619 INFO [stderr]     |             |
Dec 15 02:43:25.619 INFO [stderr]     |             help: remove this `mut`
Dec 15 02:43:25.619 INFO [stderr] 
Dec 15 02:43:28.816 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.13s
Dec 15 02:43:28.831 INFO [stderr] su: No module specific data is present
Dec 15 02:43:29.633 INFO running `"docker" "inspect" "fe10c0dee66fb4aebfe715864d406d37967a069993c33c846aed4877217ffcda"`
Dec 15 02:43:29.952 INFO running `"docker" "rm" "-f" "fe10c0dee66fb4aebfe715864d406d37967a069993c33c846aed4877217ffcda"`
Dec 15 02:43:30.203 INFO [stdout] fe10c0dee66fb4aebfe715864d406d37967a069993c33c846aed4877217ffcda
Dec 15 02:43:30.211 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02:43:30.775 INFO [stdout] fa9e7e15aa5eaeb680bc3005e3193ab630ecce4369d1259b9594841c57dd9c2e
Dec 15 02:43:30.777 INFO running `"docker" "start" "-a" "fa9e7e15aa5eaeb680bc3005e3193ab630ecce4369d1259b9594841c57dd9c2e"`
Dec 15 02:43:31.847 INFO [stderr] usermod: no changes
Dec 15 02:43:31.963 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 15 02:43:31.963 INFO [stdout] 
Dec 15 02:43:31.963 INFO [stderr]      Running /target/debug/deps/orset-15c73a7a7ffddac3
Dec 15 02:43:31.963 INFO [stdout] running 4 tests
Dec 15 02:43:31.983 INFO [stdout] test tests::concurrent_add_wins ... ok
Dec 15 02:43:31.983 INFO [stdout] test tests::basic ... ok
Dec 15 02:43:33.422 INFO [stdout] test tests::prop_joins_equivalent ... ok
Dec 15 02:43:35.490 INFO [stdout] test tests::prop_concurrent ... ok
Dec 15 02:43:35.490 INFO [stdout] 
Dec 15 02:43:35.490 INFO [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 02:43:35.490 INFO [stdout] 
Dec 15 02:43:35.491 INFO [stderr]    Doc-tests orset
Dec 15 02:43:36.523 INFO [stdout] 
Dec 15 02:43:36.523 INFO [stdout] running 0 tests
Dec 15 02:43:36.523 INFO [stdout] 
Dec 15 02:43:36.523 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 02:43:36.523 INFO [stdout] 
Dec 15 02:43:36.523 INFO [stderr] su: No module specific data is present
Dec 15 02:43:37.171 INFO running `"docker" "inspect" "fa9e7e15aa5eaeb680bc3005e3193ab630ecce4369d1259b9594841c57dd9c2e"`
Dec 15 02:43:37.408 INFO running `"docker" "rm" "-f" "fa9e7e15aa5eaeb680bc3005e3193ab630ecce4369d1259b9594841c57dd9c2e"`
Dec 15 02:43:37.654 INFO [stdout] fa9e7e15aa5eaeb680bc3005e3193ab630ecce4369d1259b9594841c57dd9c2e