[INFO] fetching crate hash_ord 0.1.10...
[INFO] checking hash_ord-0.1.10 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate hash_ord 0.1.10 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate hash_ord 0.1.10 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07b234208fb2304792b2883786f469a86ae11697dd8c5c2a7e10a03b1721d659
[INFO] running `Command { std: "docker" "start" "-a" "07b234208fb2304792b2883786f469a86ae11697dd8c5c2a7e10a03b1721d659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07b234208fb2304792b2883786f469a86ae11697dd8c5c2a7e10a03b1721d659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b234208fb2304792b2883786f469a86ae11697dd8c5c2a7e10a03b1721d659", kill_on_drop: false }`
[INFO] [stdout] 07b234208fb2304792b2883786f469a86ae11697dd8c5c2a7e10a03b1721d659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c9d412f98ea1ab4a9c3f1a4c271245b8c83749478e9a1cd61a9145503ee329b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c9d412f98ea1ab4a9c3f1a4c271245b8c83749478e9a1cd61a9145503ee329b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hash_ord v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/ord_map.rs:1780:34
[INFO] [stdout]      |
[INFO] [stdout] 1780 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/ord_map.rs:1815:34
[INFO] [stdout]      |
[INFO] [stdout] 1815 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/ord_map.rs:1850:34
[INFO] [stdout]      |
[INFO] [stdout] 1850 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/hash_map.rs:204:34
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/hash_map.rs:238:34
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/hash_map.rs:272:34
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/fastbin.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut fastbin = unsafe { mem::uninitialized::<Fastbin>() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> examples/rbtree_by_tickdream125.rs:491:34
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> examples/rbtree_by_tickdream125.rs:536:34
[INFO] [stdout]     |
[INFO] [stdout] 536 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> examples/rbtree_by_tickdream125.rs:584:34
[INFO] [stdout]     |
[INFO] [stdout] 584 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> examples/rbtree_by_tickdream125.rs:491:34
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> examples/rbtree_by_tickdream125.rs:536:34
[INFO] [stdout]     |
[INFO] [stdout] 536 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> examples/rbtree_by_tickdream125.rs:584:34
[INFO] [stdout]     |
[INFO] [stdout] 584 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stdout]   --> benches/bench_avl.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             t.get(num).is_some();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/ord_map.rs:1780:34
[INFO] [stdout]      |
[INFO] [stdout] 1780 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/ord_map.rs:1815:34
[INFO] [stdout]      |
[INFO] [stdout] 1815 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/ord_map.rs:1850:34
[INFO] [stdout]      |
[INFO] [stdout] 1850 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/hash_map.rs:204:34
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/hash_map.rs:238:34
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/hash_map.rs:272:34
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/fastbin.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut fastbin = unsafe { mem::uninitialized::<Fastbin>() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "1c9d412f98ea1ab4a9c3f1a4c271245b8c83749478e9a1cd61a9145503ee329b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9d412f98ea1ab4a9c3f1a4c271245b8c83749478e9a1cd61a9145503ee329b", kill_on_drop: false }`
[INFO] [stdout] 1c9d412f98ea1ab4a9c3f1a4c271245b8c83749478e9a1cd61a9145503ee329b