[INFO] fetching crate rax 0.1.5...
[INFO] testing rax-0.1.5 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] extracting crate rax 0.1.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rax 0.1.5
[INFO] finished tweaking crates.io crate rax 0.1.5
[INFO] tweaked toml for crates.io crate rax 0.1.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rax 0.1.5 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.11.1 (available: v0.31.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f824a0ce6babc55d5fea2ae5635c7e4c63b41b843463e848c0c098553bc6430f
[INFO] running `Command { std: "docker" "start" "-a" "f824a0ce6babc55d5fea2ae5635c7e4c63b41b843463e848c0c098553bc6430f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f824a0ce6babc55d5fea2ae5635c7e4c63b41b843463e848c0c098553bc6430f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f824a0ce6babc55d5fea2ae5635c7e4c63b41b843463e848c0c098553bc6430f", kill_on_drop: false }`
[INFO] [stdout] f824a0ce6babc55d5fea2ae5635c7e4c63b41b843463e848c0c098553bc6430f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dedabc67e7887d37ef86ebc577035d6f6e63afb2cfabd0367fa27585a7352f7
[INFO] running `Command { std: "docker" "start" "-a" "3dedabc67e7887d37ef86ebc577035d6f6e63afb2cfabd0367fa27585a7352f7", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rax v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `gcc::Build`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     gcc::Build::new()
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     gcc::Build::new()
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:81:44
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stdout]    |                                            ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 - pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stdout] 81 + pub const RAX_NODE_MAX_SIZE: libc::c_int = (1 << 29) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:84:47
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stdout]    |                                               ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 - pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stdout] 84 + pub const RAX_ITER_JUST_SEEKED: libc::c_int = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:85:39
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stdout]    |                                       ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 - pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stdout] 85 + pub const RAX_ITER_EOF: libc::c_int = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stdout]    |                                        ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 - pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stdout] 86 + pub const RAX_ITER_SAFE: libc::c_int = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:568:57
[INFO] [stdout]     |
[INFO] [stdout] 568 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:592:57
[INFO] [stdout]     |
[INFO] [stdout] 592 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:615:57
[INFO] [stdout]     |
[INFO] [stdout] 615 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:639:57
[INFO] [stdout]     |
[INFO] [stdout] 639 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:664:57
[INFO] [stdout]     |
[INFO] [stdout] 664 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:690:57
[INFO] [stdout]     |
[INFO] [stdout] 690 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:706:57
[INFO] [stdout]     |
[INFO] [stdout] 706 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:725:57
[INFO] [stdout]     |
[INFO] [stdout] 725 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:901:61
[INFO] [stdout]     |
[INFO] [stdout] 901 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:925:61
[INFO] [stdout]     |
[INFO] [stdout] 925 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:948:61
[INFO] [stdout]     |
[INFO] [stdout] 948 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:972:61
[INFO] [stdout]     |
[INFO] [stdout] 972 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:997:61
[INFO] [stdout]     |
[INFO] [stdout] 997 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1023:61
[INFO] [stdout]      |
[INFO] [stdout] 1023 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1039:61
[INFO] [stdout]      |
[INFO] [stdout] 1039 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1058:61
[INFO] [stdout]      |
[INFO] [stdout] 1058 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1613:57
[INFO] [stdout]      |
[INFO] [stdout] 1613 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]     --> src/lib.rs:1957:16
[INFO] [stdout]      |
[INFO] [stdout] 1957 |     ) -> libc::uint64_t;
[INFO] [stdout]      |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1807:32
[INFO] [stdout]      |
[INFO] [stdout] 1807 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]      |                                ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1807 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]      |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1771:32
[INFO] [stdout]      |
[INFO] [stdout] 1771 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]      |                                ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1771 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]      |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1855:5
[INFO] [stdout]      |
[INFO] [stdout] 1855 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout]      = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1858:5
[INFO] [stdout]      |
[INFO] [stdout] 1858 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1860:5
[INFO] [stdout]      |
[INFO] [stdout] 1860 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1862:5
[INFO] [stdout]      |
[INFO] [stdout] 1862 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/lib.rs:1766:47
[INFO] [stdout]      |
[INFO] [stdout] 1766 |             RaxError::Generic(ref err) => err.description(),
[INFO] [stdout]      |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:568:47
[INFO] [stdout]      |
[INFO] [stdout]  568 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:592:47
[INFO] [stdout]      |
[INFO] [stdout]  592 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:615:47
[INFO] [stdout]      |
[INFO] [stdout]  615 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:639:47
[INFO] [stdout]      |
[INFO] [stdout]  639 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:664:47
[INFO] [stdout]      |
[INFO] [stdout]  664 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:690:47
[INFO] [stdout]      |
[INFO] [stdout]  690 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:706:47
[INFO] [stdout]      |
[INFO] [stdout]  706 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:725:47
[INFO] [stdout]      |
[INFO] [stdout]  725 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:901:51
[INFO] [stdout]      |
[INFO] [stdout]  901 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:925:51
[INFO] [stdout]      |
[INFO] [stdout]  925 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:948:51
[INFO] [stdout]      |
[INFO] [stdout]  948 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:972:51
[INFO] [stdout]      |
[INFO] [stdout]  972 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:997:51
[INFO] [stdout]      |
[INFO] [stdout]  997 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1023:51
[INFO] [stdout]      |
[INFO] [stdout] 1023 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1039:51
[INFO] [stdout]      |
[INFO] [stdout] 1039 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1058:51
[INFO] [stdout]      |
[INFO] [stdout] 1058 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1613:47
[INFO] [stdout]      |
[INFO] [stdout] 1613 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]     --> src/lib.rs:1839:9
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         Box::from_raw(v as *mut V);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         let _ = Box::from_raw(v as *mut V);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "3dedabc67e7887d37ef86ebc577035d6f6e63afb2cfabd0367fa27585a7352f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dedabc67e7887d37ef86ebc577035d6f6e63afb2cfabd0367fa27585a7352f7", kill_on_drop: false }`
[INFO] [stdout] 3dedabc67e7887d37ef86ebc577035d6f6e63afb2cfabd0367fa27585a7352f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c41174a0cf585ec6abbffd381e73a8643e05ab8388cf2d3b1c8fb14f51a39fd
[INFO] running `Command { std: "docker" "start" "-a" "7c41174a0cf585ec6abbffd381e73a8643e05ab8388cf2d3b1c8fb14f51a39fd", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: use of deprecated struct `gcc::Build`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     gcc::Build::new()
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     gcc::Build::new()
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:81:44
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stdout]    |                                            ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 - pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stdout] 81 + pub const RAX_NODE_MAX_SIZE: libc::c_int = (1 << 29) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:84:47
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stdout]    |                                               ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 - pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stdout] 84 + pub const RAX_ITER_JUST_SEEKED: libc::c_int = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:85:39
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stdout]    |                                       ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 - pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stdout] 85 + pub const RAX_ITER_EOF: libc::c_int = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stdout]    |                                        ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 - pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stdout] 86 + pub const RAX_ITER_SAFE: libc::c_int = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:568:57
[INFO] [stdout]     |
[INFO] [stdout] 568 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:592:57
[INFO] [stdout]     |
[INFO] [stdout] 592 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:615:57
[INFO] [stdout]     |
[INFO] [stdout] 615 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:639:57
[INFO] [stdout]     |
[INFO] [stdout] 639 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:664:57
[INFO] [stdout]     |
[INFO] [stdout] 664 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:690:57
[INFO] [stdout]     |
[INFO] [stdout] 690 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:706:57
[INFO] [stdout]     |
[INFO] [stdout] 706 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:725:57
[INFO] [stdout]     |
[INFO] [stdout] 725 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:901:61
[INFO] [stdout]     |
[INFO] [stdout] 901 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:925:61
[INFO] [stdout]     |
[INFO] [stdout] 925 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:948:61
[INFO] [stdout]     |
[INFO] [stdout] 948 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:972:61
[INFO] [stdout]     |
[INFO] [stdout] 972 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:997:61
[INFO] [stdout]     |
[INFO] [stdout] 997 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1023:61
[INFO] [stdout]      |
[INFO] [stdout] 1023 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1039:61
[INFO] [stdout]      |
[INFO] [stdout] 1039 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1058:61
[INFO] [stdout]      |
[INFO] [stdout] 1058 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1613:57
[INFO] [stdout]      |
[INFO] [stdout] 1613 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]     --> src/lib.rs:1957:16
[INFO] [stdout]      |
[INFO] [stdout] 1957 |     ) -> libc::uint64_t;
[INFO] [stdout]      |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1807:32
[INFO] [stdout]      |
[INFO] [stdout] 1807 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]      |                                ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1807 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]      |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1771:32
[INFO] [stdout]      |
[INFO] [stdout] 1771 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]      |                                ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1771 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]      |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1855:5
[INFO] [stdout]      |
[INFO] [stdout] 1855 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout]      = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1858:5
[INFO] [stdout]      |
[INFO] [stdout] 1858 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1860:5
[INFO] [stdout]      |
[INFO] [stdout] 1860 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1862:5
[INFO] [stdout]      |
[INFO] [stdout] 1862 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/lib.rs:1766:47
[INFO] [stdout]      |
[INFO] [stdout] 1766 |             RaxError::Generic(ref err) => err.description(),
[INFO] [stdout]      |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:568:47
[INFO] [stdout]      |
[INFO] [stdout]  568 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:592:47
[INFO] [stdout]      |
[INFO] [stdout]  592 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:615:47
[INFO] [stdout]      |
[INFO] [stdout]  615 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:639:47
[INFO] [stdout]      |
[INFO] [stdout]  639 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:664:47
[INFO] [stdout]      |
[INFO] [stdout]  664 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:690:47
[INFO] [stdout]      |
[INFO] [stdout]  690 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:706:47
[INFO] [stdout]      |
[INFO] [stdout]  706 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:725:47
[INFO] [stdout]      |
[INFO] [stdout]  725 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:901:51
[INFO] [stdout]      |
[INFO] [stdout]  901 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:925:51
[INFO] [stdout]      |
[INFO] [stdout]  925 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:948:51
[INFO] [stdout]      |
[INFO] [stdout]  948 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:972:51
[INFO] [stdout]      |
[INFO] [stdout]  972 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:997:51
[INFO] [stdout]      |
[INFO] [stdout]  997 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1023:51
[INFO] [stdout]      |
[INFO] [stdout] 1023 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1039:51
[INFO] [stdout]      |
[INFO] [stdout] 1039 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1058:51
[INFO] [stdout]      |
[INFO] [stdout] 1058 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1613:47
[INFO] [stdout]      |
[INFO] [stdout] 1613 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rax v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]     --> src/lib.rs:1839:9
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         Box::from_raw(v as *mut V);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         let _ = Box::from_raw(v as *mut V);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:81:44
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stdout]    |                                            ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 - pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stdout] 81 + pub const RAX_NODE_MAX_SIZE: libc::c_int = (1 << 29) - 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:84:47
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stdout]    |                                               ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 - pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stdout] 84 + pub const RAX_ITER_JUST_SEEKED: libc::c_int = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:85:39
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stdout]    |                                       ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 - pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stdout] 85 + pub const RAX_ITER_EOF: libc::c_int = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stdout]    |                                        ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 - pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stdout] 86 + pub const RAX_ITER_SAFE: libc::c_int = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bencher`
[INFO] [stdout]     --> src/lib.rs:1969:16
[INFO] [stdout]      |
[INFO] [stdout] 1969 |     use test::{Bencher};
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:568:57
[INFO] [stdout]     |
[INFO] [stdout] 568 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:592:57
[INFO] [stdout]     |
[INFO] [stdout] 592 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:615:57
[INFO] [stdout]     |
[INFO] [stdout] 615 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:639:57
[INFO] [stdout]     |
[INFO] [stdout] 639 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:664:57
[INFO] [stdout]     |
[INFO] [stdout] 664 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:690:57
[INFO] [stdout]     |
[INFO] [stdout] 690 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:706:57
[INFO] [stdout]     |
[INFO] [stdout] 706 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:725:57
[INFO] [stdout]     |
[INFO] [stdout] 725 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:901:61
[INFO] [stdout]     |
[INFO] [stdout] 901 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:925:61
[INFO] [stdout]     |
[INFO] [stdout] 925 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:948:61
[INFO] [stdout]     |
[INFO] [stdout] 948 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:972:61
[INFO] [stdout]     |
[INFO] [stdout] 972 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:997:61
[INFO] [stdout]     |
[INFO] [stdout] 997 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1023:61
[INFO] [stdout]      |
[INFO] [stdout] 1023 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1039:61
[INFO] [stdout]      |
[INFO] [stdout] 1039 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1058:61
[INFO] [stdout]      |
[INFO] [stdout] 1058 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/lib.rs:1613:57
[INFO] [stdout]      |
[INFO] [stdout] 1613 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]     --> src/lib.rs:1957:16
[INFO] [stdout]      |
[INFO] [stdout] 1957 |     ) -> libc::uint64_t;
[INFO] [stdout]      |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1807:32
[INFO] [stdout]      |
[INFO] [stdout] 1807 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]      |                                ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1807 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]      |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1771:32
[INFO] [stdout]      |
[INFO] [stdout] 1771 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]      |                                ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1771 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]      |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1855:5
[INFO] [stdout]      |
[INFO] [stdout] 1855 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout]      = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1858:5
[INFO] [stdout]      |
[INFO] [stdout] 1858 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1860:5
[INFO] [stdout]      |
[INFO] [stdout] 1860 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stdout]     --> src/lib.rs:1862:5
[INFO] [stdout]      |
[INFO] [stdout] 1862 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/lib.rs:1766:47
[INFO] [stdout]      |
[INFO] [stdout] 1766 |             RaxError::Generic(ref err) => err.description(),
[INFO] [stdout]      |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2190:21
[INFO] [stdout]      |
[INFO] [stdout] 2190 |                 let mut r = &mut RaxMap::<u64, &str>::new();
[INFO] [stdout]      |                     ----^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2201:21
[INFO] [stdout]      |
[INFO] [stdout] 2201 |                 let mut r = &mut RaxSet::<u64>::new();
[INFO] [stdout]      |                     ----^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2212:21
[INFO] [stdout]      |
[INFO] [stdout] 2212 |                 let mut r = &mut std::collections::BTreeSet::<u64>::new();
[INFO] [stdout]      |                     ----^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2222:21
[INFO] [stdout]      |
[INFO] [stdout] 2222 |                 let mut r = &mut std::collections::BTreeMap::<u64, &str>::new();
[INFO] [stdout]      |                     ----^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2233:21
[INFO] [stdout]      |
[INFO] [stdout] 2233 |                 let mut r = &mut std::collections::HashMap::<u64, &str>::new();
[INFO] [stdout]      |                     ----^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2296:17
[INFO] [stdout]      |
[INFO] [stdout] 2296 |             let mut r = &mut RaxMap::<u64, &str>::new();
[INFO] [stdout]      |                 ----^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2328:17
[INFO] [stdout]      |
[INFO] [stdout] 2328 |             let mut r = &mut RaxMap::<u64, &str>::new();
[INFO] [stdout]      |                 ----^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:568:47
[INFO] [stdout]      |
[INFO] [stdout]  568 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:592:47
[INFO] [stdout]      |
[INFO] [stdout]  592 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:615:47
[INFO] [stdout]      |
[INFO] [stdout]  615 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:639:47
[INFO] [stdout]      |
[INFO] [stdout]  639 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:664:47
[INFO] [stdout]      |
[INFO] [stdout]  664 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:690:47
[INFO] [stdout]      |
[INFO] [stdout]  690 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:706:47
[INFO] [stdout]      |
[INFO] [stdout]  706 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:725:47
[INFO] [stdout]      |
[INFO] [stdout]  725 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:901:51
[INFO] [stdout]      |
[INFO] [stdout]  901 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:925:51
[INFO] [stdout]      |
[INFO] [stdout]  925 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:948:51
[INFO] [stdout]      |
[INFO] [stdout]  948 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:972:51
[INFO] [stdout]      |
[INFO] [stdout]  972 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:997:51
[INFO] [stdout]      |
[INFO] [stdout]  997 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1023:51
[INFO] [stdout]      |
[INFO] [stdout] 1023 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1039:51
[INFO] [stdout]      |
[INFO] [stdout] 1039 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1058:51
[INFO] [stdout]      |
[INFO] [stdout] 1058 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                                   |
[INFO] [stdout]      |                                                   this code causes undefined behavior when executed
[INFO] [stdout]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stdout]     --> src/lib.rs:1613:47
[INFO] [stdout]      |
[INFO] [stdout] 1613 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               this code causes undefined behavior when executed
[INFO] [stdout]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]      |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]     --> src/lib.rs:1539:5
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub flags: libc::c_int,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]     --> src/lib.rs:1839:9
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         Box::from_raw(v as *mut V);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         let _ = Box::from_raw(v as *mut V);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "7c41174a0cf585ec6abbffd381e73a8643e05ab8388cf2d3b1c8fb14f51a39fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c41174a0cf585ec6abbffd381e73a8643e05ab8388cf2d3b1c8fb14f51a39fd", kill_on_drop: false }`
[INFO] [stdout] 7c41174a0cf585ec6abbffd381e73a8643e05ab8388cf2d3b1c8fb14f51a39fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4689c6826e6a31727c8ba1b950be390a952ce021386e72ea2524eee237e16970
[INFO] running `Command { std: "docker" "start" "-a" "4689c6826e6a31727c8ba1b950be390a952ce021386e72ea2524eee237e16970", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: use of deprecated struct `gcc::Build`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     gcc::Build::new()
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     gcc::Build::new()
[INFO] [stderr]   |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rax` (build script) generated 2 warnings
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:81:44
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stderr]    |                                            ^             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 81 - pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stderr] 81 + pub const RAX_NODE_MAX_SIZE: libc::c_int = (1 << 29) - 1;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:84:47
[INFO] [stderr]    |
[INFO] [stderr] 84 | pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stderr]    |                                               ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 84 - pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stderr] 84 + pub const RAX_ITER_JUST_SEEKED: libc::c_int = 1 << 0;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:85:39
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stderr]    |                                       ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 85 - pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stderr] 85 + pub const RAX_ITER_EOF: libc::c_int = 1 << 1;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:86:40
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stderr]    |                                        ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 86 - pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stderr] 86 + pub const RAX_ITER_SAFE: libc::c_int = 1 << 2;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:568:57
[INFO] [stderr]     |
[INFO] [stderr] 568 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:592:57
[INFO] [stderr]     |
[INFO] [stderr] 592 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:615:57
[INFO] [stderr]     |
[INFO] [stderr] 615 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:639:57
[INFO] [stderr]     |
[INFO] [stderr] 639 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:664:57
[INFO] [stderr]     |
[INFO] [stderr] 664 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:690:57
[INFO] [stderr]     |
[INFO] [stderr] 690 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:706:57
[INFO] [stderr]     |
[INFO] [stderr] 706 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:725:57
[INFO] [stderr]     |
[INFO] [stderr] 725 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:901:61
[INFO] [stderr]     |
[INFO] [stderr] 901 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:925:61
[INFO] [stderr]     |
[INFO] [stderr] 925 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:948:61
[INFO] [stderr]     |
[INFO] [stderr] 948 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:972:61
[INFO] [stderr]     |
[INFO] [stderr] 972 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:997:61
[INFO] [stderr]     |
[INFO] [stderr] 997 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/lib.rs:1023:61
[INFO] [stderr]      |
[INFO] [stderr] 1023 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/lib.rs:1039:61
[INFO] [stderr]      |
[INFO] [stderr] 1039 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/lib.rs:1058:61
[INFO] [stderr]      |
[INFO] [stderr] 1058 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/lib.rs:1613:57
[INFO] [stderr]      |
[INFO] [stderr] 1613 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stderr]     --> src/lib.rs:1957:16
[INFO] [stderr]      |
[INFO] [stderr] 1957 |     ) -> libc::uint64_t;
[INFO] [stderr]      |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1807:32
[INFO] [stderr]      |
[INFO] [stderr] 1807 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]      |                                ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1807 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]      |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1771:32
[INFO] [stderr]      |
[INFO] [stderr] 1771 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]      |                                ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1771 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]      |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stderr]     --> src/lib.rs:1855:5
[INFO] [stderr]      |
[INFO] [stderr] 1855 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stderr]      = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stderr]     --> src/lib.rs:1858:5
[INFO] [stderr]      |
[INFO] [stderr] 1858 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stderr]     --> src/lib.rs:1860:5
[INFO] [stderr]      |
[INFO] [stderr] 1860 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on foreign statics
[INFO] [stderr]     --> src/lib.rs:1862:5
[INFO] [stderr]      |
[INFO] [stderr] 1862 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]      = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]     --> src/lib.rs:1766:47
[INFO] [stderr]      |
[INFO] [stderr] 1766 |             RaxError::Generic(ref err) => err.description(),
[INFO] [stderr]      |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:568:47
[INFO] [stderr]      |
[INFO] [stderr]  568 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                               |
[INFO] [stderr]      |                                               this code causes undefined behavior when executed
[INFO] [stderr]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:592:47
[INFO] [stderr]      |
[INFO] [stderr]  592 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                               |
[INFO] [stderr]      |                                               this code causes undefined behavior when executed
[INFO] [stderr]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:615:47
[INFO] [stderr]      |
[INFO] [stderr]  615 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                               |
[INFO] [stderr]      |                                               this code causes undefined behavior when executed
[INFO] [stderr]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:639:47
[INFO] [stderr]      |
[INFO] [stderr]  639 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                               |
[INFO] [stderr]      |                                               this code causes undefined behavior when executed
[INFO] [stderr]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:664:47
[INFO] [stderr]      |
[INFO] [stderr]  664 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                               |
[INFO] [stderr]      |                                               this code causes undefined behavior when executed
[INFO] [stderr]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:690:47
[INFO] [stderr]      |
[INFO] [stderr]  690 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                               |
[INFO] [stderr]      |                                               this code causes undefined behavior when executed
[INFO] [stderr]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:706:47
[INFO] [stderr]      |
[INFO] [stderr]  706 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                               |
[INFO] [stderr]      |                                               this code causes undefined behavior when executed
[INFO] [stderr]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:725:47
[INFO] [stderr]      |
[INFO] [stderr]  725 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                               |
[INFO] [stderr]      |                                               this code causes undefined behavior when executed
[INFO] [stderr]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:901:51
[INFO] [stderr]      |
[INFO] [stderr]  901 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                                   |
[INFO] [stderr]      |                                                   this code causes undefined behavior when executed
[INFO] [stderr]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:925:51
[INFO] [stderr]      |
[INFO] [stderr]  925 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                                   |
[INFO] [stderr]      |                                                   this code causes undefined behavior when executed
[INFO] [stderr]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:948:51
[INFO] [stderr]      |
[INFO] [stderr]  948 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                                   |
[INFO] [stderr]      |                                                   this code causes undefined behavior when executed
[INFO] [stderr]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:972:51
[INFO] [stderr]      |
[INFO] [stderr]  972 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                                   |
[INFO] [stderr]      |                                                   this code causes undefined behavior when executed
[INFO] [stderr]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:997:51
[INFO] [stderr]      |
[INFO] [stderr]  997 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                                   |
[INFO] [stderr]      |                                                   this code causes undefined behavior when executed
[INFO] [stderr]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:1023:51
[INFO] [stderr]      |
[INFO] [stderr] 1023 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                                   |
[INFO] [stderr]      |                                                   this code causes undefined behavior when executed
[INFO] [stderr]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:1039:51
[INFO] [stderr]      |
[INFO] [stderr] 1039 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                                   |
[INFO] [stderr]      |                                                   this code causes undefined behavior when executed
[INFO] [stderr]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, usize>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:1058:51
[INFO] [stderr]      |
[INFO] [stderr] 1058 |             let mut iter: RaxIterator<K, usize> = std::mem::uninitialized();
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                                   |
[INFO] [stderr]      |                                                   this code causes undefined behavior when executed
[INFO] [stderr]      |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `RaxIterator<K, V>` does not permit being left uninitialized
[INFO] [stderr]     --> src/lib.rs:1613:47
[INFO] [stderr]      |
[INFO] [stderr] 1613 |             let mut iter: RaxIterator<K, V> = std::mem::uninitialized();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                               |
[INFO] [stderr]      |                                               this code causes undefined behavior when executed
[INFO] [stderr]      |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]      |
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]     --> src/lib.rs:1539:5
[INFO] [stderr]      |
[INFO] [stderr] 1539 |     pub flags: libc::c_int,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]     --> src/lib.rs:1839:9
[INFO] [stderr]      |
[INFO] [stderr] 1839 |         Box::from_raw(v as *mut V);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1839 |         let _ = Box::from_raw(v as *mut V);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Bencher`
[INFO] [stderr]     --> src/lib.rs:1969:16
[INFO] [stderr]      |
[INFO] [stderr] 1969 |     use test::{Bencher};
[INFO] [stderr]      |                ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:2190:21
[INFO] [stderr]      |
[INFO] [stderr] 2190 |                 let mut r = &mut RaxMap::<u64, &str>::new();
[INFO] [stderr]      |                     ----^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:2201:21
[INFO] [stderr]      |
[INFO] [stderr] 2201 |                 let mut r = &mut RaxSet::<u64>::new();
[INFO] [stderr]      |                     ----^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:2212:21
[INFO] [stderr]      |
[INFO] [stderr] 2212 |                 let mut r = &mut std::collections::BTreeSet::<u64>::new();
[INFO] [stderr]      |                     ----^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:2222:21
[INFO] [stderr]      |
[INFO] [stderr] 2222 |                 let mut r = &mut std::collections::BTreeMap::<u64, &str>::new();
[INFO] [stderr]      |                     ----^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:2233:21
[INFO] [stderr]      |
[INFO] [stderr] 2233 |                 let mut r = &mut std::collections::HashMap::<u64, &str>::new();
[INFO] [stderr]      |                     ----^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:2296:17
[INFO] [stderr]      |
[INFO] [stderr] 2296 |             let mut r = &mut RaxMap::<u64, &str>::new();
[INFO] [stderr]      |                 ----^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:2328:17
[INFO] [stderr]      |
[INFO] [stderr] 2328 |             let mut r = &mut RaxMap::<u64, &str>::new();
[INFO] [stderr]      |                 ----^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `rax` (lib) generated 47 warnings (run `cargo fix --lib -p rax` to apply 10 suggestions)
[INFO] [stderr] warning: `rax` (lib test) generated 55 warnings (47 duplicates) (run `cargo fix --lib -p rax --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rax-78b0c5bb8d6603a8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::bench_rax_insert_show ... ok
[INFO] [stdout] test tests::key_f64 ... ok
[INFO] [stdout] test tests::key_str ... ok
[INFO] [stdout] test tests::key_u64 ... ok
[INFO] [stdout] test tests::bench_rax_find ... ok
[INFO] [stdout] test tests::bench_rax_cur_find ... ok
[INFO] [stdout] test tests::bench_rax_replace ... ok
[INFO] [stdout] test tests::bench_rax_insert ... ok
[INFO] [stdout] test tests::bench ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 43.91s
[INFO] [stdout] 
[INFO] [stdout] "" -> []
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[INFO] [stdout]         `-(?) []=0x7addd0004890
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[INFO] [stdout]         `-(A) []=0x7addd0004b70
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[INFO] [stdout]         `-(J) []=0x7addd0005a80
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[INFO] [stdout]         `-(O) []=0x7addd0006430
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[INFO] [stdout]         `-(S) []=0x7addd0006b20
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[INFO] [stdout]         `-(V) []=0x7addd0007210
[INFO] [stdout]         `-(W) []=0x7addd0007250
[INFO] [stdout]         `-(X) []=0x7addd00075c0
[INFO] [stdout]         `-(Y) []=0x7addd0007600
[INFO] [stdout]         `-(Z) []=0x7addd0007980
[INFO] [stdout]         `-([) []=0x7addd00079c0
[INFO] [stdout]         `-(\) []=0x7addd0007d50
[INFO] [stdout]         `-(]) []=0x7addd00080f0
[INFO] [stdout]         `-(^) []=0x7addd0008130
[INFO] [stdout]         `-(_) []=0x7addd00084e0
[INFO] [stdout]         `-(`) []=0x7addd0008520
[INFO] [stdout]         `-(a) []=0x7addd00088e0
[INFO] [stdout]         `-(b) []=0x7addd0008920
[INFO] [stdout]         `-(c) []=0x7addd0008cf0
[INFO] [stdout] [@] -> [TXY]
[ERROR] error running command: stream did not contain valid UTF-8
[INFO] running `Command { std: "docker" "inspect" "4689c6826e6a31727c8ba1b950be390a952ce021386e72ea2524eee237e16970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4689c6826e6a31727c8ba1b950be390a952ce021386e72ea2524eee237e16970", kill_on_drop: false }`
[INFO] [stdout] 4689c6826e6a31727c8ba1b950be390a952ce021386e72ea2524eee237e16970
