[INFO] crate rbtree 0.1.5 is already in cache
[INFO] testing rbtree-0.1.5 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate rbtree 0.1.5 into work/builds/worker-9/source
[INFO] validating manifest of crates.io crate rbtree 0.1.5 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rbtree 0.1.5
[INFO] finished tweaking crates.io crate rbtree 0.1.5
[INFO] tweaked toml for crates.io crate rbtree 0.1.5 written to work/builds/worker-9/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] bbaf5f4fdb9fc2950e69875f4ce9c1293a536ff0d4ee1101a5530da5887c0cc6
[INFO] running `"docker" "start" "-a" "bbaf5f4fdb9fc2950e69875f4ce9c1293a536ff0d4ee1101a5530da5887c0cc6"`
[INFO] [stderr]    Compiling rbtree v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::RBTree`
[INFO] [stderr]     --> src/lib.rs:1404:9
[INFO] [stderr]      |
[INFO] [stderr] 1404 |     use super::RBTree;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "bbaf5f4fdb9fc2950e69875f4ce9c1293a536ff0d4ee1101a5530da5887c0cc6"`
[INFO] running `"docker" "rm" "-f" "bbaf5f4fdb9fc2950e69875f4ce9c1293a536ff0d4ee1101a5530da5887c0cc6"`
[INFO] [stdout] bbaf5f4fdb9fc2950e69875f4ce9c1293a536ff0d4ee1101a5530da5887c0cc6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0c8ab1ff6cfcbd22517eab48acf3367e1983bad7c2a1b3d3d74a544b0105cc7e
[INFO] running `"docker" "start" "-a" "0c8ab1ff6cfcbd22517eab48acf3367e1983bad7c2a1b3d3d74a544b0105cc7e"`
[INFO] [stderr]    Compiling rbtree v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "0c8ab1ff6cfcbd22517eab48acf3367e1983bad7c2a1b3d3d74a544b0105cc7e"`
[INFO] running `"docker" "rm" "-f" "0c8ab1ff6cfcbd22517eab48acf3367e1983bad7c2a1b3d3d74a544b0105cc7e"`
[INFO] [stdout] 0c8ab1ff6cfcbd22517eab48acf3367e1983bad7c2a1b3d3d74a544b0105cc7e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] c5b7b6c9bb7f137e7ac698b20b91bbcbefe511e9d0eefd75e4afc7ad71652bfd
[INFO] running `"docker" "start" "-a" "c5b7b6c9bb7f137e7ac698b20b91bbcbefe511e9d0eefd75e4afc7ad71652bfd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rbtree-8059ed98ef663e30
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_empty_iter ... ok
[INFO] [stdout] test tests::test_empty_remove ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_extend_iter ... ok
[INFO] [stdout] test tests::test_find ... ok
[INFO] [stdout] test tests::test_from_iter ... ok
[INFO] [stdout] test tests::test_find_mut ... ok
[INFO] [stdout] test tests::test_index ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_iter_len ... ok
[INFO] [stdout] test tests::test_insert ... ok
[INFO] [stdout] test tests::test_iter_mut_len ... ok
[INFO] [stdout] test tests::test_iterate ... ok
[INFO] [stdout] test tests::test_keys ... ok
[INFO] [stdout] test tests::test_pop ... ok
[INFO] [stdout] test tests::test_mut_size_hint ... ok
[INFO] [stdout] test tests::test_remove ... ok
[INFO] [stdout] test tests::test_show ... ok
[INFO] [stdout] test tests::test_values ... ok
[INFO] [stdout] test tests::test_replace ... ok
[INFO] [stdout] test tests::test_size_hint ... ok
[INFO] [stdout] test tests::test_values_mut ... ok
[INFO] [stdout] test tests::test_index_nonexistent ... ok
[INFO] [stdout] test tests::test_lots_of_insertions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbtree
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - RBTree (line 323) ... ok
[INFO] [stdout] test src/lib.rs - IterMut (line 729) ... ok
[INFO] [stdout] test src/lib.rs - ValuesMut (line 547) ... ok
[INFO] [stdout] test src/lib.rs - Iter (line 653) ... ok
[INFO] [stdout] test src/lib.rs - RBTree (line 282) ... ok
[INFO] [stdout] test src/lib.rs - RBTree<K, V>::replace_or_insert (line 921) ... ok
[INFO] [stdout] test src/lib.rs - Keys (line 461) ... ok
[INFO] [stdout] test src/lib.rs - Values (line 503) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c5b7b6c9bb7f137e7ac698b20b91bbcbefe511e9d0eefd75e4afc7ad71652bfd"`
[INFO] running `"docker" "rm" "-f" "c5b7b6c9bb7f137e7ac698b20b91bbcbefe511e9d0eefd75e4afc7ad71652bfd"`
[INFO] [stdout] c5b7b6c9bb7f137e7ac698b20b91bbcbefe511e9d0eefd75e4afc7ad71652bfd