Dec 14 23:59:14.586 INFO testing rbtree-0.1.5 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 23:59:14.586 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 23:59:15.023 INFO [stdout] 467b0b4a2bf7edea038799d5140aa66393d070ca98bbf5b16043eda57d957fd8
Dec 14 23:59:15.028 INFO running `"docker" "start" "-a" "467b0b4a2bf7edea038799d5140aa66393d070ca98bbf5b16043eda57d957fd8"`
Dec 14 23:59:16.655 INFO [stderr] usermod: no changes
Dec 14 23:59:16.707 INFO [stderr]    Compiling rbtree v0.1.5 (/source)
Dec 14 23:59:17.313 INFO [stderr] warning: unused import: `super::RBTree`
Dec 14 23:59:17.313 INFO [stderr]     --> src/lib.rs:1404:9
Dec 14 23:59:17.313 INFO [stderr]      |
Dec 14 23:59:17.313 INFO [stderr] 1404 |     use super::RBTree;
Dec 14 23:59:17.313 INFO [stderr]      |         ^^^^^^^^^^^^^
Dec 14 23:59:17.313 INFO [stderr]      |
Dec 14 23:59:17.313 INFO [stderr]      = note: #[warn(unused_imports)] on by default
Dec 14 23:59:17.313 INFO [stderr] 
Dec 14 23:59:17.547 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 14 23:59:17.549 INFO [stderr] su: No module specific data is present
Dec 14 23:59:17.980 INFO running `"docker" "inspect" "467b0b4a2bf7edea038799d5140aa66393d070ca98bbf5b16043eda57d957fd8"`
Dec 14 23:59:18.121 INFO running `"docker" "rm" "-f" "467b0b4a2bf7edea038799d5140aa66393d070ca98bbf5b16043eda57d957fd8"`
Dec 14 23:59:18.214 INFO [stdout] 467b0b4a2bf7edea038799d5140aa66393d070ca98bbf5b16043eda57d957fd8
Dec 14 23:59:18.216 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 23:59:18.431 INFO [stdout] facd16990992aa5df20d1a0312fae1d5ebdd3061fe3277cae1e3799495a9cdd1
Dec 14 23:59:18.439 INFO running `"docker" "start" "-a" "facd16990992aa5df20d1a0312fae1d5ebdd3061fe3277cae1e3799495a9cdd1"`
Dec 14 23:59:18.875 INFO [stderr] usermod: no changes
Dec 14 23:59:18.911 INFO [stderr]    Compiling rbtree v0.1.5 (/source)
Dec 14 23:59:20.960 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Dec 14 23:59:20.963 INFO [stderr] su: No module specific data is present
Dec 14 23:59:21.292 INFO running `"docker" "inspect" "facd16990992aa5df20d1a0312fae1d5ebdd3061fe3277cae1e3799495a9cdd1"`
Dec 14 23:59:21.373 INFO running `"docker" "rm" "-f" "facd16990992aa5df20d1a0312fae1d5ebdd3061fe3277cae1e3799495a9cdd1"`
Dec 14 23:59:21.466 INFO [stdout] facd16990992aa5df20d1a0312fae1d5ebdd3061fe3277cae1e3799495a9cdd1
Dec 14 23:59:21.468 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 23:59:21.647 INFO [stdout] 923df65f80389f37579d9e6d69c26d4bd2fe99da40e77c79bbb308579f7525dc
Dec 14 23:59:21.652 INFO running `"docker" "start" "-a" "923df65f80389f37579d9e6d69c26d4bd2fe99da40e77c79bbb308579f7525dc"`
Dec 14 23:59:22.083 INFO [stderr] usermod: no changes
Dec 14 23:59:22.132 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 23:59:22.132 INFO [stderr]      Running /target/debug/deps/rbtree-0e91fa18137b69eb
Dec 14 23:59:22.134 INFO [stdout] 
Dec 14 23:59:22.134 INFO [stdout] running 25 tests
Dec 14 23:59:22.135 INFO [stdout] test tests::test_empty_remove ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_find ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_from_iter ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_empty_iter ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_eq ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_extend_iter ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_find_mut ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_clone ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_insert ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_iter_len ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_iter_mut_len ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_iterate ... ok
Dec 14 23:59:22.135 INFO [stdout] test tests::test_keys ... ok
Dec 14 23:59:22.136 INFO [stdout] test tests::test_mut_size_hint ... ok
Dec 14 23:59:22.136 INFO [stdout] test tests::test_pop ... ok
Dec 14 23:59:22.136 INFO [stdout] test tests::test_remove ... ok
Dec 14 23:59:22.139 INFO [stdout] test tests::test_show ... ok
Dec 14 23:59:22.139 INFO [stdout] test tests::test_index ... ok
Dec 14 23:59:22.139 INFO [stdout] test tests::test_size_hint ... ok
Dec 14 23:59:22.139 INFO [stdout] test tests::test_values ... ok
Dec 14 23:59:22.139 INFO [stdout] test tests::test_is_empty ... ok
Dec 14 23:59:22.139 INFO [stdout] test tests::test_values_mut ... ok
Dec 14 23:59:22.163 INFO [stdout] test tests::test_replace ... ok
Dec 14 23:59:22.191 INFO [stdout] test tests::test_lots_of_insertions ... ok
Dec 14 23:59:22.223 INFO [stdout] test tests::test_index_nonexistent ... ok
Dec 14 23:59:22.223 INFO [stdout] 
Dec 14 23:59:22.223 INFO [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 23:59:22.223 INFO [stdout] 
Dec 14 23:59:22.226 INFO [stderr]    Doc-tests rbtree
Dec 14 23:59:23.088 INFO [stdout] 
Dec 14 23:59:23.088 INFO [stdout] running 8 tests
Dec 14 23:59:26.677 INFO [stdout] test src/lib.rs - IterMut (line 729) ... ok
Dec 14 23:59:26.914 INFO [stdout] test src/lib.rs - Iter (line 653) ... ok
Dec 14 23:59:27.229 INFO [stdout] test src/lib.rs - RBTree (line 323) ... ok
Dec 14 23:59:27.499 INFO [stdout] test src/lib.rs - RBTree<K, V>::replace_or_insert (line 921) ... ok
Dec 14 23:59:27.647 INFO [stdout] test src/lib.rs - RBTree (line 282) ... ok
Dec 14 23:59:27.688 INFO [stdout] test src/lib.rs - ValuesMut (line 547) ... ok
Dec 14 23:59:27.845 INFO [stdout] test src/lib.rs - Values (line 503) ... ok
Dec 14 23:59:27.947 INFO [stdout] test src/lib.rs - Keys (line 461) ... ok
Dec 14 23:59:27.947 INFO [stdout] 
Dec 14 23:59:27.947 INFO [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 23:59:27.947 INFO [stdout] 
Dec 14 23:59:27.971 INFO [stderr] su: No module specific data is present
Dec 14 23:59:28.284 INFO running `"docker" "inspect" "923df65f80389f37579d9e6d69c26d4bd2fe99da40e77c79bbb308579f7525dc"`
Dec 14 23:59:28.419 INFO running `"docker" "rm" "-f" "923df65f80389f37579d9e6d69c26d4bd2fe99da40e77c79bbb308579f7525dc"`
Dec 14 23:59:28.543 INFO [stdout] 923df65f80389f37579d9e6d69c26d4bd2fe99da40e77c79bbb308579f7525dc