Dec 06 18:02:45.817 INFO testing vertree-0.2.2 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 18:02:45.817 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 18:02:46.246 INFO [stdout] cdcbd37f4b65b091a93242ea4ad2dddf27d01e97e22efcab13e433f3b64a507d
Dec 06 18:02:46.254 INFO running `"docker" "start" "-a" "cdcbd37f4b65b091a93242ea4ad2dddf27d01e97e22efcab13e433f3b64a507d"`
Dec 06 18:02:47.284 INFO [stderr] usermod: no changes
Dec 06 18:02:47.389 INFO [stderr]    Compiling serde v1.0.80
Dec 06 18:02:47.413 INFO [stderr]    Compiling rmp v0.8.7
Dec 06 18:02:59.352 INFO [stderr]    Compiling rmp-serde v0.13.7
Dec 06 18:03:00.840 INFO [stderr]    Compiling vertree v0.2.2 (/source)
Dec 06 18:03:02.823 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:02.823 INFO [stderr]    --> src/tree.rs:268:14
Dec 06 18:03:02.823 INFO [stderr]     |
Dec 06 18:03:02.823 INFO [stderr] 268 |         let (mut queue, version, tree) = {
Dec 06 18:03:02.823 INFO [stderr]     |              ----^^^^^
Dec 06 18:03:02.823 INFO [stderr]     |              |
Dec 06 18:03:02.823 INFO [stderr]     |              help: remove this `mut`
Dec 06 18:03:02.823 INFO [stderr]     |
Dec 06 18:03:02.823 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 18:03:02.823 INFO [stderr] 
Dec 06 18:03:02.823 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:02.823 INFO [stderr]    --> src/tree.rs:282:14
Dec 06 18:03:02.823 INFO [stderr]     |
Dec 06 18:03:02.823 INFO [stderr] 282 |         let (mut queue, version, tree) = {
Dec 06 18:03:02.823 INFO [stderr]     |              ----^^^^^
Dec 06 18:03:02.823 INFO [stderr]     |              |
Dec 06 18:03:02.823 INFO [stderr]     |              help: remove this `mut`
Dec 06 18:03:02.823 INFO [stderr] 
Dec 06 18:03:02.823 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:02.823 INFO [stderr]    --> src/tree.rs:295:14
Dec 06 18:03:02.823 INFO [stderr]     |
Dec 06 18:03:02.823 INFO [stderr] 295 |         let (mut set, version, tree) = {
Dec 06 18:03:02.823 INFO [stderr]     |              ----^^^
Dec 06 18:03:02.823 INFO [stderr]     |              |
Dec 06 18:03:02.823 INFO [stderr]     |              help: remove this `mut`
Dec 06 18:03:02.823 INFO [stderr] 
Dec 06 18:03:02.823 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:02.823 INFO [stderr]    --> src/tree.rs:308:14
Dec 06 18:03:02.823 INFO [stderr]     |
Dec 06 18:03:02.823 INFO [stderr] 308 |         let (mut set, version, tree) = {
Dec 06 18:03:02.823 INFO [stderr]     |              ----^^^
Dec 06 18:03:02.823 INFO [stderr]     |              |
Dec 06 18:03:02.823 INFO [stderr]     |              help: remove this `mut`
Dec 06 18:03:02.823 INFO [stderr] 
Dec 06 18:03:02.823 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:02.823 INFO [stderr]    --> src/tree.rs:322:13
Dec 06 18:03:02.823 INFO [stderr]     |
Dec 06 18:03:02.823 INFO [stderr] 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Dec 06 18:03:02.823 INFO [stderr]     |             ----^^^^^
Dec 06 18:03:02.823 INFO [stderr]     |             |
Dec 06 18:03:02.823 INFO [stderr]     |             help: remove this `mut`
Dec 06 18:03:02.823 INFO [stderr] 
Dec 06 18:03:02.823 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:02.823 INFO [stderr]    --> src/tree.rs:328:13
Dec 06 18:03:02.823 INFO [stderr]     |
Dec 06 18:03:02.823 INFO [stderr] 328 |         let mut queue = node.content.get_set_mut().unwrap();
Dec 06 18:03:02.823 INFO [stderr]     |             ----^^^^^
Dec 06 18:03:02.823 INFO [stderr]     |             |
Dec 06 18:03:02.823 INFO [stderr]     |             help: remove this `mut`
Dec 06 18:03:02.823 INFO [stderr] 
Dec 06 18:03:07.818 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.51s
Dec 06 18:03:07.824 INFO [stderr] su: No module specific data is present
Dec 06 18:03:08.912 INFO running `"docker" "inspect" "cdcbd37f4b65b091a93242ea4ad2dddf27d01e97e22efcab13e433f3b64a507d"`
Dec 06 18:03:09.304 INFO running `"docker" "rm" "-f" "cdcbd37f4b65b091a93242ea4ad2dddf27d01e97e22efcab13e433f3b64a507d"`
Dec 06 18:03:09.644 INFO [stdout] cdcbd37f4b65b091a93242ea4ad2dddf27d01e97e22efcab13e433f3b64a507d
Dec 06 18:03:09.646 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 18:03:10.088 INFO [stdout] a2f2a22e21de885f179d21b270a8db188e5d19e575222a24a3407431ee46a3d5
Dec 06 18:03:10.094 INFO running `"docker" "start" "-a" "a2f2a22e21de885f179d21b270a8db188e5d19e575222a24a3407431ee46a3d5"`
Dec 06 18:03:11.431 INFO [stderr] usermod: no changes
Dec 06 18:03:11.581 INFO [stderr]    Compiling assert_matches v1.3.0
Dec 06 18:03:11.624 INFO [stderr]    Compiling quickcheck v0.4.1
Dec 06 18:03:14.842 INFO [stderr]    Compiling vertree v0.2.2 (/source)
Dec 06 18:03:17.712 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:17.712 INFO [stderr]    --> src/tree.rs:268:14
Dec 06 18:03:17.712 INFO [stderr]     |
Dec 06 18:03:17.712 INFO [stderr] 268 |         let (mut queue, version, tree) = {
Dec 06 18:03:17.712 INFO [stderr]     |              ----^^^^^
Dec 06 18:03:17.712 INFO [stderr]     |              |
Dec 06 18:03:17.712 INFO [stderr]     |              help: remove this `mut`
Dec 06 18:03:17.712 INFO [stderr]     |
Dec 06 18:03:17.712 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 18:03:17.712 INFO [stderr] 
Dec 06 18:03:17.714 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:17.714 INFO [stderr]    --> src/tree.rs:282:14
Dec 06 18:03:17.714 INFO [stderr]     |
Dec 06 18:03:17.714 INFO [stderr] 282 |         let (mut queue, version, tree) = {
Dec 06 18:03:17.714 INFO [stderr]     |              ----^^^^^
Dec 06 18:03:17.714 INFO [stderr]     |              |
Dec 06 18:03:17.714 INFO [stderr]     |              help: remove this `mut`
Dec 06 18:03:17.714 INFO [stderr] 
Dec 06 18:03:17.716 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:17.716 INFO [stderr]    --> src/tree.rs:295:14
Dec 06 18:03:17.716 INFO [stderr]     |
Dec 06 18:03:17.716 INFO [stderr] 295 |         let (mut set, version, tree) = {
Dec 06 18:03:17.716 INFO [stderr]     |              ----^^^
Dec 06 18:03:17.716 INFO [stderr]     |              |
Dec 06 18:03:17.716 INFO [stderr]     |              help: remove this `mut`
Dec 06 18:03:17.716 INFO [stderr] 
Dec 06 18:03:17.716 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:17.716 INFO [stderr]    --> src/tree.rs:308:14
Dec 06 18:03:17.716 INFO [stderr]     |
Dec 06 18:03:17.716 INFO [stderr] 308 |         let (mut set, version, tree) = {
Dec 06 18:03:17.716 INFO [stderr]     |              ----^^^
Dec 06 18:03:17.716 INFO [stderr]     |              |
Dec 06 18:03:17.716 INFO [stderr]     |              help: remove this `mut`
Dec 06 18:03:17.716 INFO [stderr] 
Dec 06 18:03:17.716 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:17.716 INFO [stderr]    --> src/tree.rs:322:13
Dec 06 18:03:17.716 INFO [stderr]     |
Dec 06 18:03:17.716 INFO [stderr] 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Dec 06 18:03:17.716 INFO [stderr]     |             ----^^^^^
Dec 06 18:03:17.716 INFO [stderr]     |             |
Dec 06 18:03:17.716 INFO [stderr]     |             help: remove this `mut`
Dec 06 18:03:17.716 INFO [stderr] 
Dec 06 18:03:17.716 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:03:17.717 INFO [stderr]    --> src/tree.rs:328:13
Dec 06 18:03:17.717 INFO [stderr]     |
Dec 06 18:03:17.717 INFO [stderr] 328 |         let mut queue = node.content.get_set_mut().unwrap();
Dec 06 18:03:17.717 INFO [stderr]     |             ----^^^^^
Dec 06 18:03:17.717 INFO [stderr]     |             |
Dec 06 18:03:17.717 INFO [stderr]     |             help: remove this `mut`
Dec 06 18:03:17.717 INFO [stderr] 
Dec 06 18:03:23.586 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.12s
Dec 06 18:03:23.612 INFO [stderr] su: No module specific data is present
Dec 06 18:03:24.410 INFO running `"docker" "inspect" "a2f2a22e21de885f179d21b270a8db188e5d19e575222a24a3407431ee46a3d5"`
Dec 06 18:03:24.642 INFO running `"docker" "rm" "-f" "a2f2a22e21de885f179d21b270a8db188e5d19e575222a24a3407431ee46a3d5"`
Dec 06 18:03:24.886 INFO [stdout] a2f2a22e21de885f179d21b270a8db188e5d19e575222a24a3407431ee46a3d5
Dec 06 18:03:24.894 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 18:03:25.337 INFO [stdout] c6ce1c3a26c707673a34a9644957e984467c3f6fefb6cac925d5cc0d42d7c362
Dec 06 18:03:25.344 INFO running `"docker" "start" "-a" "c6ce1c3a26c707673a34a9644957e984467c3f6fefb6cac925d5cc0d42d7c362"`
Dec 06 18:03:26.502 INFO [stderr] usermod: no changes
Dec 06 18:03:26.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 06 18:03:26.641 INFO [stderr]      Running /target/debug/deps/vertree-3d98f0b3f6902bc8
Dec 06 18:03:26.650 INFO [stdout] 
Dec 06 18:03:26.650 INFO [stdout] running 9 tests
Dec 06 18:03:26.681 INFO [stdout] test iterators::tests::path_iter ... ok
Dec 06 18:03:26.681 INFO [stdout] test iterators::tests::cow_path_iter ... ok
Dec 06 18:03:26.681 INFO [stdout] test containers::queue::tests::trivial_q ... ok
Dec 06 18:03:26.684 INFO [stdout] test iterators::tests::create_nodes_iter_check ... ok
Dec 06 18:03:26.956 INFO [stdout] test iterators::tests::bad_path_iter ... ok
Dec 06 18:03:27.028 INFO [stdout] test tree::tests::create_and_delete_nodes ... ok
Dec 06 18:03:40.275 INFO [stdout] test snapshot::tests::prop_rountrip ... ok
Dec 06 18:03:40.740 INFO [stdout] test iterators::tests::prop_walk_existing_paths ... ok
Dec 06 18:03:41.824 INFO [stdout] test cas::tests::prop_multi_cas_equals_individual_ops ... ok
Dec 06 18:03:41.824 INFO [stdout] 
Dec 06 18:03:41.824 INFO [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 18:03:41.824 INFO [stdout] 
Dec 06 18:03:41.832 INFO [stderr]    Doc-tests vertree
Dec 06 18:03:43.875 INFO [stdout] 
Dec 06 18:03:43.875 INFO [stdout] running 4 tests
Dec 06 18:03:55.180 INFO [stdout] test src/containers/set.rs - containers::set::Set::union (line 57) ... ok
Dec 06 18:03:55.716 INFO [stdout] test src/containers/set.rs - containers::set::Set::symmetric_difference (line 137) ... ok
Dec 06 18:03:55.720 INFO [stdout] test src/containers/set.rs - containers::set::Set::difference (line 111) ... ok
Dec 06 18:03:55.875 INFO [stdout] test src/containers/set.rs - containers::set::Set::intersection (line 84) ... ok
Dec 06 18:03:55.875 INFO [stdout] 
Dec 06 18:03:55.875 INFO [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 18:03:55.875 INFO [stdout] 
Dec 06 18:03:55.900 INFO [stderr] su: No module specific data is present
Dec 06 18:03:56.298 INFO running `"docker" "inspect" "c6ce1c3a26c707673a34a9644957e984467c3f6fefb6cac925d5cc0d42d7c362"`
Dec 06 18:03:56.569 INFO running `"docker" "rm" "-f" "c6ce1c3a26c707673a34a9644957e984467c3f6fefb6cac925d5cc0d42d7c362"`
Dec 06 18:03:56.936 INFO [stdout] c6ce1c3a26c707673a34a9644957e984467c3f6fefb6cac925d5cc0d42d7c362