[INFO] updating cached repository fitzgen/intrusive_splay_tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fitzgen/intrusive_splay_tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fitzgen/intrusive_splay_tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/intrusive_splay_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/intrusive_splay_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fitzgen/intrusive_splay_tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fitzgen/intrusive_splay_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fitzgen/intrusive_splay_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca672e9d03d8d1afc0d246a98cf82e2a28f833ec
[INFO] sha for GitHub repo fitzgen/intrusive_splay_tree: ca672e9d03d8d1afc0d246a98cf82e2a28f833ec
[INFO] validating manifest of fitzgen/intrusive_splay_tree on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fitzgen/intrusive_splay_tree on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fitzgen/intrusive_splay_tree
[INFO] finished frobbing fitzgen/intrusive_splay_tree
[INFO] frobbed toml for fitzgen/intrusive_splay_tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/intrusive_splay_tree/Cargo.toml
[INFO] started frobbing fitzgen/intrusive_splay_tree
[INFO] finished frobbing fitzgen/intrusive_splay_tree
[INFO] frobbed toml for fitzgen/intrusive_splay_tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fitzgen/intrusive_splay_tree/Cargo.toml
[INFO] crate fitzgen/intrusive_splay_tree already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing fitzgen/intrusive_splay_tree against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/intrusive_splay_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 74330e2bb5de0f07f71abf64ec4d0f2a1749510be24b4044f0792632f88b3314
[INFO] running `"docker" "start" "-a" "74330e2bb5de0f07f71abf64ec4d0f2a1749510be24b4044f0792632f88b3314"`
[INFO] [stderr]    Compiling intrusive_splay_tree v0.1.0 (/opt/crater/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 0.29s
[INFO] running `"docker" "inspect" "74330e2bb5de0f07f71abf64ec4d0f2a1749510be24b4044f0792632f88b3314"`
[INFO] running `"docker" "rm" "-f" "74330e2bb5de0f07f71abf64ec4d0f2a1749510be24b4044f0792632f88b3314"`
[INFO] [stdout] 74330e2bb5de0f07f71abf64ec4d0f2a1749510be24b4044f0792632f88b3314
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/intrusive_splay_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7953a415b741de8d3afe2fc9b5c61b8df214fb7b769a665c0faa0e5baba20893
[INFO] running `"docker" "start" "-a" "7953a415b741de8d3afe2fc9b5c61b8df214fb7b769a665c0faa0e5baba20893"`
[INFO] [stderr]    Compiling typed-arena v1.3.0
[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/crater/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 8.28s
[INFO] running `"docker" "inspect" "7953a415b741de8d3afe2fc9b5c61b8df214fb7b769a665c0faa0e5baba20893"`
[INFO] running `"docker" "rm" "-f" "7953a415b741de8d3afe2fc9b5c61b8df214fb7b769a665c0faa0e5baba20893"`
[INFO] [stdout] 7953a415b741de8d3afe2fc9b5c61b8df214fb7b769a665c0faa0e5baba20893
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/intrusive_splay_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 50666cc4f2fc0fbdc1cd544769252a308b3e74c958a8dc1b88e26aace3742154
[INFO] running `"docker" "start" "-a" "50666cc4f2fc0fbdc1cd544769252a308b3e74c958a8dc1b88e26aace3742154"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/intrusive_splay_tree-d2d7d34fcdeafe65
[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/crater/target/debug/deps/multiple-ec8491a02412a841
[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/crater/target/debug/deps/quickcheck-0ba78507aa8bc662
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test insert ... ok
[INFO] [stdout] test multiple_find ... ok
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test 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/crater/target/debug/deps/single-0b82c3524c14729b
[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/crater/target/debug/deps/test-f17caa2324b1f3f0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test inserting_already_inserted_panics_in_debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests intrusive_splay_tree
[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" "50666cc4f2fc0fbdc1cd544769252a308b3e74c958a8dc1b88e26aace3742154"`
[INFO] running `"docker" "rm" "-f" "50666cc4f2fc0fbdc1cd544769252a308b3e74c958a8dc1b88e26aace3742154"`
[INFO] [stdout] 50666cc4f2fc0fbdc1cd544769252a308b3e74c958a8dc1b88e26aace3742154