[INFO] fetching crate hash_ord 0.1.10...
[INFO] checking hash_ord-0.1.10 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate hash_ord 0.1.10 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hash_ord 0.1.10 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hash_ord 0.1.10
[INFO] finished tweaking crates.io crate hash_ord 0.1.10
[INFO] tweaked toml for crates.io crate hash_ord 0.1.10 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a77bc552c2e30902c3ccc55d2280d9c6e71d7242266f832d4dec37b70b21a41
[INFO] running `"docker" "start" "-a" "0a77bc552c2e30902c3ccc55d2280d9c6e71d7242266f832d4dec37b70b21a41"`
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking hash_ord v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/ord_map.rs:1780:34
[INFO] [stderr]      |
[INFO] [stderr] 1780 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/ord_map.rs:1815:34
[INFO] [stderr]      |
[INFO] [stderr] 1815 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/ord_map.rs:1850:34
[INFO] [stderr]      |
[INFO] [stderr] 1850 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/hash_map.rs:204:34
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/hash_map.rs:238:34
[INFO] [stderr]     |
[INFO] [stderr] 238 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/hash_map.rs:272:34
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/fastbin.rs:27:36
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut fastbin = unsafe { mem::uninitialized::<Fastbin>() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/ord_map.rs:1780:34
[INFO] [stderr]      |
[INFO] [stderr] 1780 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/ord_map.rs:1815:34
[INFO] [stderr]      |
[INFO] [stderr] 1815 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/ord_map.rs:1850:34
[INFO] [stderr]      |
[INFO] [stderr] 1850 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/hash_map.rs:204:34
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/hash_map.rs:238:34
[INFO] [stderr]     |
[INFO] [stderr] 238 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/hash_map.rs:272:34
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/fastbin.rs:27:36
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut fastbin = unsafe { mem::uninitialized::<Fastbin>() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> examples/rbtree_by_tickdream125.rs:491:34
[INFO] [stderr]     |
[INFO] [stderr] 491 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> examples/rbtree_by_tickdream125.rs:536:34
[INFO] [stderr]     |
[INFO] [stderr] 536 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> examples/rbtree_by_tickdream125.rs:584:34
[INFO] [stderr]     |
[INFO] [stderr] 584 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> examples/rbtree_by_tickdream125.rs:491:34
[INFO] [stderr]     |
[INFO] [stderr] 491 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> examples/rbtree_by_tickdream125.rs:536:34
[INFO] [stderr]     |
[INFO] [stderr] 536 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> examples/rbtree_by_tickdream125.rs:584:34
[INFO] [stderr]     |
[INFO] [stderr] 584 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::option::Option::<T>::is_some` that must be used
[INFO] [stderr]   --> benches/bench_avl.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             t.get(num).is_some();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "0a77bc552c2e30902c3ccc55d2280d9c6e71d7242266f832d4dec37b70b21a41"`
[INFO] running `"docker" "rm" "-f" "0a77bc552c2e30902c3ccc55d2280d9c6e71d7242266f832d4dec37b70b21a41"`
[INFO] [stdout] 0a77bc552c2e30902c3ccc55d2280d9c6e71d7242266f832d4dec37b70b21a41