[INFO] updating cached repository https://github.com/fitzgen/intrusive_splay_tree
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca672e9d03d8d1afc0d246a98cf82e2a28f833ec
[INFO] testing fitzgen/intrusive_splay_tree against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fintrusive_splay_tree" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fitzgen/intrusive_splay_tree on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fitzgen/intrusive_splay_tree
[INFO] finished tweaking git repo https://github.com/fitzgen/intrusive_splay_tree
[INFO] tweaked toml for git repo https://github.com/fitzgen/intrusive_splay_tree written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fitzgen/intrusive_splay_tree already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] cb43d29e9af1221a4f4a835dc04b550fc1d4238ab41da69c9470d5ee44adf2aa
[INFO] running `"docker" "start" "-a" "cb43d29e9af1221a4f4a835dc04b550fc1d4238ab41da69c9470d5ee44adf2aa"`
[INFO] [stderr]    Compiling intrusive_splay_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal.rs:67:41
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub unsafe fn find(&mut self, key: &CompareToNode<'a>) -> Option<&'a Node<'a>> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CompareToNode<'a>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal.rs:79:43
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub unsafe fn insert(&mut self, key: &CompareToNode<'a>, node: &'a Node<'a>) -> bool {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CompareToNode<'a>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:112:43
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub unsafe fn remove(&mut self, key: &CompareToNode<'a>) -> Option<&'a Node<'a>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CompareToNode<'a>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:145:32
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn walk(&self, f: &mut FnMut(&'a Node<'a>) -> bool) {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&'a Node<'a>) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:152:38
[INFO] [stderr]     |
[INFO] [stderr] 152 |     unsafe fn splay(&mut self, key: &CompareToNode<'a>) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CompareToNode<'a>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node.rs:72:42
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub(crate) fn walk(&'a self, f: &mut FnMut(&'a Node<'a>) -> bool) -> bool {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&'a Node<'a>) -> bool`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "cb43d29e9af1221a4f4a835dc04b550fc1d4238ab41da69c9470d5ee44adf2aa"`
[INFO] running `"docker" "rm" "-f" "cb43d29e9af1221a4f4a835dc04b550fc1d4238ab41da69c9470d5ee44adf2aa"`
[INFO] [stdout] cb43d29e9af1221a4f4a835dc04b550fc1d4238ab41da69c9470d5ee44adf2aa
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d0c5287b0d73808d04789e9a3de2bbf0d1caa1028a581810e1fd914ab86d11ab
[INFO] running `"docker" "start" "-a" "d0c5287b0d73808d04789e9a3de2bbf0d1caa1028a581810e1fd914ab86d11ab"`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling typed-arena v1.3.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling intrusive_splay_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal.rs:67:41
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub unsafe fn find(&mut self, key: &CompareToNode<'a>) -> Option<&'a Node<'a>> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CompareToNode<'a>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal.rs:79:43
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub unsafe fn insert(&mut self, key: &CompareToNode<'a>, node: &'a Node<'a>) -> bool {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CompareToNode<'a>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:112:43
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub unsafe fn remove(&mut self, key: &CompareToNode<'a>) -> Option<&'a Node<'a>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CompareToNode<'a>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:145:32
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn walk(&self, f: &mut FnMut(&'a Node<'a>) -> bool) {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&'a Node<'a>) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:152:38
[INFO] [stderr]     |
[INFO] [stderr] 152 |     unsafe fn splay(&mut self, key: &CompareToNode<'a>) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CompareToNode<'a>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node.rs:72:42
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub(crate) fn walk(&'a self, f: &mut FnMut(&'a Node<'a>) -> bool) -> bool {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&'a Node<'a>) -> bool`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.70s
[INFO] running `"docker" "inspect" "d0c5287b0d73808d04789e9a3de2bbf0d1caa1028a581810e1fd914ab86d11ab"`
[INFO] running `"docker" "rm" "-f" "d0c5287b0d73808d04789e9a3de2bbf0d1caa1028a581810e1fd914ab86d11ab"`
[INFO] [stdout] d0c5287b0d73808d04789e9a3de2bbf0d1caa1028a581810e1fd914ab86d11ab
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 8c9785daa9c6627d2d7d78884066845218e8227cdcee250d9ad477d9aa8e796a
[INFO] running `"docker" "start" "-a" "8c9785daa9c6627d2d7d78884066845218e8227cdcee250d9ad477d9aa8e796a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/intrusive_splay_tree-e3954da0ad86759b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multiple-ebc431cf6aac4bcb
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quickcheck-766a40dbf591af84
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test insert ... ok
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test find ... ok
[INFO] [stdout] test multiple_find ... ok
[INFO] [stdout] test multiple_insert ... ok
[INFO] [stdout] test multiple_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/single-e990679cd3950125
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-13f130a508d8fd04
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test inserting_already_inserted_panics_in_debug ... ok
[INFO] [stderr]    Doc-tests intrusive_splay_tree
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/node.rs - node::Node (line 11) ... ok
[INFO] [stdout] test src/lib.rs -  (line 72) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8c9785daa9c6627d2d7d78884066845218e8227cdcee250d9ad477d9aa8e796a"`
[INFO] running `"docker" "rm" "-f" "8c9785daa9c6627d2d7d78884066845218e8227cdcee250d9ad477d9aa8e796a"`
[INFO] [stdout] 8c9785daa9c6627d2d7d78884066845218e8227cdcee250d9ad477d9aa8e796a