[INFO] fetching crate rax 0.1.5...
[INFO] checking rax-0.1.5 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate rax 0.1.5 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rax 0.1.5 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.11.1 (available: v0.30.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc3610fe8333e74a9f260802c16652d942310b039df41f8fe0e8bc4cd1ef12c6
[INFO] running `Command { std: "docker" "start" "-a" "dc3610fe8333e74a9f260802c16652d942310b039df41f8fe0e8bc4cd1ef12c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc3610fe8333e74a9f260802c16652d942310b039df41f8fe0e8bc4cd1ef12c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3610fe8333e74a9f260802c16652d942310b039df41f8fe0e8bc4cd1ef12c6", kill_on_drop: false }`
[INFO] [stdout] dc3610fe8333e74a9f260802c16652d942310b039df41f8fe0e8bc4cd1ef12c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a618d6cf01d8cc36805a451135f360b3a4a93c6182425c1def83132ae23956d
[INFO] running `Command { std: "docker" "start" "-a" "5a618d6cf01d8cc36805a451135f360b3a4a93c6182425c1def83132ae23956d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stdout]     --> src/lib.rs:1855:5
[INFO] [stdout]      |
[INFO] [stdout] 1855 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 1856 |     pub static raxNotFound: *mut u8;
[INFO] [stdout]      |     -------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stdout]      = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stdout]     --> src/lib.rs:1858:5
[INFO] [stdout]      |
[INFO] [stdout] 1858 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 1859 |     pub static mut rax_malloc: extern "C" fn(size: libc::size_t) -> *mut u8;
[INFO] [stdout]      |     ------------------------------------------------------------------------ foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stdout]     --> src/lib.rs:1860:5
[INFO] [stdout]      |
[INFO] [stdout] 1860 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 1861 |     pub static mut rax_realloc: extern "C" fn(ptr: *mut libc::c_void, size: libc::size_t) -> *mut u8;
[INFO] [stdout]      |     ------------------------------------------------------------------------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stdout]     --> src/lib.rs:1862:5
[INFO] [stdout]      |
[INFO] [stdout] 1862 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 1863 |     pub static mut rax_free: extern "C" fn(ptr: *mut libc::c_void);
[INFO] [stdout]      |     --------------------------------------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[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)]` 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: 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)]` 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: 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: 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: `#[no_mangle]` has no effect on a foreign static
[INFO] [stdout]     --> src/lib.rs:1855:5
[INFO] [stdout]      |
[INFO] [stdout] 1855 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 1856 |     pub static raxNotFound: *mut u8;
[INFO] [stdout]      |     -------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stdout]      = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stdout]     --> src/lib.rs:1858:5
[INFO] [stdout]      |
[INFO] [stdout] 1858 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 1859 |     pub static mut rax_malloc: extern "C" fn(size: libc::size_t) -> *mut u8;
[INFO] [stdout]      |     ------------------------------------------------------------------------ foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stdout]     --> src/lib.rs:1860:5
[INFO] [stdout]      |
[INFO] [stdout] 1860 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 1861 |     pub static mut rax_realloc: extern "C" fn(ptr: *mut libc::c_void, size: libc::size_t) -> *mut u8;
[INFO] [stdout]      |     ------------------------------------------------------------------------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stdout]     --> src/lib.rs:1862:5
[INFO] [stdout]      |
[INFO] [stdout] 1862 |     #[no_mangle]
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 1863 |     pub static mut rax_free: extern "C" fn(ptr: *mut libc::c_void);
[INFO] [stdout]      |     --------------------------------------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[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)]` 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: 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: 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: 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)]` 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: 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)]` 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: 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)]` 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: the feature `lang_items` is internal to the compiler or standard library
[INFO] [stdout]  --> benches/bench.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lang_items)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/bench.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         r.insert_null(3);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _ = r.insert_null(3);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "5a618d6cf01d8cc36805a451135f360b3a4a93c6182425c1def83132ae23956d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a618d6cf01d8cc36805a451135f360b3a4a93c6182425c1def83132ae23956d", kill_on_drop: false }`
[INFO] [stdout] 5a618d6cf01d8cc36805a451135f360b3a4a93c6182425c1def83132ae23956d