[INFO] fetching crate rax 0.1.5...
[INFO] testing rax-0.1.5 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate rax 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rax 0.1.5 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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 bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding nix v0.11.1 (latest: v0.29.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba85b1691fa0cc2b03145b0528625412ed77bea0cbb255a6c8ec685cc7feddf5
[INFO] running `Command { std: "docker" "start" "-a" "ba85b1691fa0cc2b03145b0528625412ed77bea0cbb255a6c8ec685cc7feddf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba85b1691fa0cc2b03145b0528625412ed77bea0cbb255a6c8ec685cc7feddf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba85b1691fa0cc2b03145b0528625412ed77bea0cbb255a6c8ec685cc7feddf5", kill_on_drop: false }`
[INFO] [stdout] ba85b1691fa0cc2b03145b0528625412ed77bea0cbb255a6c8ec685cc7feddf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2501ddf6ce9a6ec01d0c5a79483d95a2c0c980140c2d099dc80019c4e73f9c73
[INFO] running `Command { std: "docker" "start" "-a" "2501ddf6ce9a6ec01d0c5a79483d95a2c0c980140c2d099dc80019c4e73f9c73", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling gcc v0.3.55
[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: 2 warnings emitted
[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: `#[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/nightly/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 an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "2501ddf6ce9a6ec01d0c5a79483d95a2c0c980140c2d099dc80019c4e73f9c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2501ddf6ce9a6ec01d0c5a79483d95a2c0c980140c2d099dc80019c4e73f9c73", kill_on_drop: false }`
[INFO] [stdout] 2501ddf6ce9a6ec01d0c5a79483d95a2c0c980140c2d099dc80019c4e73f9c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d75ad7f8901cd041d9cbdf40e6a8c8182924946b07870b042fe8184e91160fc5
[INFO] running `Command { std: "docker" "start" "-a" "d75ad7f8901cd041d9cbdf40e6a8c8182924946b07870b042fe8184e91160fc5", kill_on_drop: false }`
[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: 2 warnings emitted
[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: `#[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/nightly/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 an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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)]` 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: 47 warnings emitted
[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/nightly/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 an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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: 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: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "d75ad7f8901cd041d9cbdf40e6a8c8182924946b07870b042fe8184e91160fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75ad7f8901cd041d9cbdf40e6a8c8182924946b07870b042fe8184e91160fc5", kill_on_drop: false }`
[INFO] [stdout] d75ad7f8901cd041d9cbdf40e6a8c8182924946b07870b042fe8184e91160fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e7f22e491dac2c0b4a16e6c223a58267d1d7f36987028dc73e1ad3e345b8fec
[INFO] running `Command { std: "docker" "start" "-a" "7e7f22e491dac2c0b4a16e6c223a58267d1d7f36987028dc73e1ad3e345b8fec", kill_on_drop: false }`
[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)]` 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: `#[no_mangle]` has no effect on a foreign static
[INFO] [stderr]     --> src/lib.rs:1855:5
[INFO] [stderr]      |
[INFO] [stderr] 1855 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 1856 |     pub static raxNotFound: *mut u8;
[INFO] [stderr]      |     -------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stderr]      = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stderr]     --> src/lib.rs:1858:5
[INFO] [stderr]      |
[INFO] [stderr] 1858 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 1859 |     pub static mut rax_malloc: extern "C" fn(size: libc::size_t) -> *mut u8;
[INFO] [stderr]      |     ------------------------------------------------------------------------ foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stderr]     --> src/lib.rs:1860:5
[INFO] [stderr]      |
[INFO] [stderr] 1860 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 1861 |     pub static mut rax_realloc: extern "C" fn(ptr: *mut libc::c_void, size: libc::size_t) -> *mut u8;
[INFO] [stderr]      |     ------------------------------------------------------------------------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stderr]     --> src/lib.rs:1862:5
[INFO] [stderr]      |
[INFO] [stderr] 1862 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 1863 |     pub static mut rax_free: extern "C" fn(ptr: *mut libc::c_void);
[INFO] [stderr]      |     --------------------------------------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1771 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]      |                                +++
[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)]` 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)]` 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)]` 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rax-f827f6e27b773ea9)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::key_f64 ... ok
[INFO] [stdout] test tests::bench_rax_insert_show ... 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 18.86s
[INFO] [stdout] 
[INFO] [stdout] "" -> []
[INFO] [stdout]         `-( ) []=0x7fc4b0000d50
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[INFO] [stdout]         `-() []=0x7fc4b0000db0
[INFO] [stdout]         `-() []=0x7fc4b0000e80
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[INFO] [stdout]         `-() []=0x7fc4b0001970
[INFO] [stdout]         `-() []=0x7fc4b0001aa0
[INFO] [stdout]         `-() []=0x7fc4b0001ae0
[INFO] [stdout]         `-() []=0x7fc4b0001c20
[INFO] [stdout]         `-() []=0x7fc4b0001c60
[INFO] [stdout]         `-() []=0x7fc4b0001db0
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[INFO] [stdout]         `-(!) []=0x7fc4b0002280
[INFO] [stdout]         `-(") []=0x7fc4b00022c0
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[INFO] [stdout]         `-(') []=0x7fc4b0002820
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[INFO] [stdout]         `-()) []=0x7fc4b0002a20
[INFO] [stdout]         `-(*) []=0x7fc4b0002bf0
[INFO] [stdout]         `-(+) []=0x7fc4b0002c30
[INFO] [stdout]         `-(,) []=0x7fc4b0002e10
[INFO] [stdout]         `-(-) []=0x7fc4b0003000
[INFO] [stdout]         `-(.) []=0x7fc4b0003040
[INFO] [stdout]         `-(/) []=0x7fc4b0003240
[INFO] [stdout]         `-(0) []=0x7fc4b0003280
[INFO] [stdout]         `-(1) []=0x7fc4b0003490
[INFO] [stdout]         `-(2) []=0x7fc4b00034d0
[INFO] [stdout]         `-(3) []=0x7fc4b00036f0
[INFO] [stdout]         `-(4) []=0x7fc4b0003730
[INFO] [stdout]         `-(5) []=0x7fc4b0003960
[INFO] [stdout]         `-(6) []=0x7fc4b0003ba0
[INFO] [stdout]         `-(7) []=0x7fc4b0003be0
[INFO] [stdout]         `-(8) []=0x7fc4b0003e30
[INFO] [stdout]         `-(9) []=0x7fc4b0003e70
[INFO] [stdout]         `-(:) []=0x7fc4b00040d0
[INFO] [stdout]         `-(;) []=0x7fc4b0004110
[INFO] [stdout]         `-(<) []=0x7fc4b0004380
[INFO] [stdout]         `-(=) []=0x7fc4b0004600
[INFO] [stdout]         `-(>) []=0x7fc4b0004640
[INFO] [stdout]         `-(?) []=0x7fc4b00048d0
[INFO] [stdout]         `-(@) []=0x7fc4b0004910
[INFO] [stdout]         `-(A) []=0x7fc4b0004bb0
[INFO] [stdout]         `-(B) []=0x7fc4b0004bf0
[INFO] [stdout]         `-(C) []=0x7fc4b0004ea0
[INFO] [stdout]         `-(D) []=0x7fc4b0004ee0
[INFO] [stdout]         `-(E) []=0x7fc4b00051a0
[INFO] [stdout]         `-(F) []=0x7fc4b0005470
[INFO] [stdout]         `-(G) []=0x7fc4b00054b0
[INFO] [stdout]         `-(H) []=0x7fc4b0005790
[INFO] [stdout]         `-(I) []=0x7fc4b00057d0
[INFO] [stdout]         `-(J) []=0x7fc4b0005ac0
[INFO] [stdout]         `-(K) []=0x7fc4b0005b00
[INFO] [stdout]         `-(L) []=0x7fc4b0005e00
[INFO] [stdout]         `-(M) []=0x7fc4b0006110
[INFO] [stdout]         `-(N) []=0x7fc4b0006150
[INFO] [stdout]         `-(O) []=0x7fc4b0006470
[INFO] [stdout]         `-(P) []=0x7fc4b00064b0
[INFO] [stdout]         `-(Q) []=0x7fc4b00067e0
[INFO] [stdout]         `-(R) []=0x7fc4b0006820
[INFO] [stdout]         `-(S) []=0x7fc4b0006b60
[INFO] [stdout]         `-(T) []=0x7fc4b0006ba0
[INFO] [stdout]         `-(U) []=0x7fc4b0006ef0
[INFO] [stdout]     [@]  -> [TXY] 
[ERROR] error running command: stream did not contain valid UTF-8
[INFO] running `Command { std: "docker" "inspect" "7e7f22e491dac2c0b4a16e6c223a58267d1d7f36987028dc73e1ad3e345b8fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7f22e491dac2c0b4a16e6c223a58267d1d7f36987028dc73e1ad3e345b8fec", kill_on_drop: false }`
[INFO] [stdout] 7e7f22e491dac2c0b4a16e6c223a58267d1d7f36987028dc73e1ad3e345b8fec
[INFO] testing rax-0.1.5 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate rax 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rax 0.1.5 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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 bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding nix v0.11.1 (latest: v0.29.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 892104adc7309e64d3600bbf4024fcde96149154c25225677e65c8e136991e15
[INFO] running `Command { std: "docker" "start" "-a" "892104adc7309e64d3600bbf4024fcde96149154c25225677e65c8e136991e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "892104adc7309e64d3600bbf4024fcde96149154c25225677e65c8e136991e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892104adc7309e64d3600bbf4024fcde96149154c25225677e65c8e136991e15", kill_on_drop: false }`
[INFO] [stdout] 892104adc7309e64d3600bbf4024fcde96149154c25225677e65c8e136991e15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 115b500c7265da61bbe76dcf5ed787cdb0826bd7f14c56b1846b29eb7c1872b3
[INFO] running `Command { std: "docker" "start" "-a" "115b500c7265da61bbe76dcf5ed787cdb0826bd7f14c56b1846b29eb7c1872b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling gcc v0.3.55
[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: 2 warnings emitted
[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: `#[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/nightly/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 an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "115b500c7265da61bbe76dcf5ed787cdb0826bd7f14c56b1846b29eb7c1872b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115b500c7265da61bbe76dcf5ed787cdb0826bd7f14c56b1846b29eb7c1872b3", kill_on_drop: false }`
[INFO] [stdout] 115b500c7265da61bbe76dcf5ed787cdb0826bd7f14c56b1846b29eb7c1872b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df5b9a0e3249910e99280629d6e2800372e0ca584d09b1976edafc8e9c6c118b
[INFO] running `Command { std: "docker" "start" "-a" "df5b9a0e3249910e99280629d6e2800372e0ca584d09b1976edafc8e9c6c118b", kill_on_drop: false }`
[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: 2 warnings emitted
[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: `#[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/nightly/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 an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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] [stderr]    Compiling rax v0.1.5 (/opt/rustwide/workdir)
[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: 47 warnings emitted
[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/nightly/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 an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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: 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: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "df5b9a0e3249910e99280629d6e2800372e0ca584d09b1976edafc8e9c6c118b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5b9a0e3249910e99280629d6e2800372e0ca584d09b1976edafc8e9c6c118b", kill_on_drop: false }`
[INFO] [stdout] df5b9a0e3249910e99280629d6e2800372e0ca584d09b1976edafc8e9c6c118b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c60dfd4c3c77858c33d99fa2339aec016224187b220c4f0fdf398739393ea69d
[INFO] running `Command { std: "docker" "start" "-a" "c60dfd4c3c77858c33d99fa2339aec016224187b220c4f0fdf398739393ea69d", kill_on_drop: false }`
[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)]` 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: `#[no_mangle]` has no effect on a foreign static
[INFO] [stderr]     --> src/lib.rs:1855:5
[INFO] [stderr]      |
[INFO] [stderr] 1855 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 1856 |     pub static raxNotFound: *mut u8;
[INFO] [stderr]      |     -------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stderr]      = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stderr]     --> src/lib.rs:1858:5
[INFO] [stderr]      |
[INFO] [stderr] 1858 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 1859 |     pub static mut rax_malloc: extern "C" fn(size: libc::size_t) -> *mut u8;
[INFO] [stderr]      |     ------------------------------------------------------------------------ foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stderr]     --> src/lib.rs:1860:5
[INFO] [stderr]      |
[INFO] [stderr] 1860 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 1861 |     pub static mut rax_realloc: extern "C" fn(ptr: *mut libc::c_void, size: libc::size_t) -> *mut u8;
[INFO] [stderr]      |     ------------------------------------------------------------------------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` has no effect on a foreign static
[INFO] [stderr]     --> src/lib.rs:1862:5
[INFO] [stderr]      |
[INFO] [stderr] 1862 |     #[no_mangle]
[INFO] [stderr]      |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 1863 |     pub static mut rax_free: extern "C" fn(ptr: *mut libc::c_void);
[INFO] [stderr]      |     --------------------------------------------------------------- foreign static
[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]      = note: symbol names in extern blocks are not mangled
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1771 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]      |                                +++
[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)]` 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)]` 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)]` 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rax-f827f6e27b773ea9)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::bench_rax_insert_show ... ok
[INFO] [stdout] test tests::key_u64 ... ok
[INFO] [stdout] test tests::key_f64 ... ok
[INFO] [stdout] test tests::key_str ... ok
[INFO] [stdout] test tests::bench_rax_find ... ok
[INFO] [stdout] test tests::bench_rax_replace ... ok
[INFO] [stdout] test tests::bench_rax_cur_find ... 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 17.79s
[INFO] [stdout] 
[INFO] [stdout] "" -> []
[INFO] [stdout]         `-( ) []=0x7ff054000d50
[INFO] [stdout]         `-() []=0x7ff054000d90
[INFO] [stdout]         `-() []=0x7ff054000df0
[INFO] [stdout]         `-() []=0x7ff054000db0
[INFO] [stdout]         `-() []=0x7ff054000e80
[INFO] [stdout]         `-() []=0x7ff054000f00
[INFO] [stdout]         `-() []=0x7ff054000f90
[INFO] [stdout]         `-() []=0x7ff054000fd0
[INFO] [stdout]         `-() []=0x7ff054001070
[INFO] [stdout]         `-(	) []=0x7ff0540010b0
[INFO] [stdout]         `-(
[INFO] [stdout] ) []=0x7ff054001160
[INFO] [stdout]         `-() []=0x7ff0540011a0
[INFO] [stdout]         `-() []=0x7ff054001260
[INFO] [stdout]         `-(
) []=0x7ff054001330
[INFO] [stdout]         `-() []=0x7ff054001370
[INFO] [stdout]         `-() []=0x7ff054001450
[INFO] [stdout]         `-() []=0x7ff054001490
[INFO] [stdout]         `-() []=0x7ff054001580
[INFO] [stdout]         `-() []=0x7ff0540015c0
[INFO] [stdout]         `-() []=0x7ff0540016c0
[INFO] [stdout]         `-() []=0x7ff054001700
[INFO] [stdout]         `-() []=0x7ff054001810
[INFO] [stdout]         `-() []=0x7ff054001930
[INFO] [stdout]         `-() []=0x7ff054001970
[INFO] [stdout]         `-() []=0x7ff054001aa0
[INFO] [stdout]         `-() []=0x7ff054001ae0
[INFO] [stdout]         `-() []=0x7ff054001c20
[INFO] [stdout]         `-() []=0x7ff054001c60
[INFO] [stdout]         `-() []=0x7ff054001db0
[INFO] [stdout]         `-() []=0x7ff054001f10
[INFO] [stdout]         `-() []=0x7ff054001f50
[INFO] [stdout]         `-() []=0x7ff0540020c0
[INFO] [stdout]         `-( ) []=0x7ff054002100
[INFO] [stdout]         `-(!) []=0x7ff054002280
[INFO] [stdout]         `-(") []=0x7ff0540022c0
[INFO] [stdout]         `-(#) []=0x7ff054002450
[INFO] [stdout]         `-($) []=0x7ff054002490
[INFO] [stdout]         `-(%) []=0x7ff054002630
[INFO] [stdout]         `-(&) []=0x7ff0540027e0
[INFO] [stdout]         `-(') []=0x7ff054002820
[INFO] [stdout]         `-(() []=0x7ff0540029e0
[INFO] [stdout]         `-()) []=0x7ff054002a20
[INFO] [stdout]         `-(*) []=0x7ff054002bf0
[INFO] [stdout]         `-(+) []=0x7ff054002c30
[INFO] [stdout]         `-(,) []=0x7ff054002e10
[INFO] [stdout]         `-(-) []=0x7ff054003000
[INFO] [stdout]         `-(.) []=0x7ff054003040
[INFO] [stdout]         `-(/) []=0x7ff054003240
[INFO] [stdout]         `-(0) []=0x7ff054003280
[INFO] [stdout]         `-(1) []=0x7ff054003490
[INFO] [stdout]         `-(2) []=0x7ff0540034d0
[INFO] [stdout]         `-(3) []=0x7ff0540036f0
[INFO] [stdout]         `-(4) []=0x7ff054003730
[INFO] [stdout]         `-(5) []=0x7ff054003960
[INFO] [stdout]         `-(6) []=0x7ff054003ba0
[INFO] [stdout]         `-(7) []=0x7ff054003be0
[INFO] [stdout]         `-(8) []=0x7ff054003e30
[INFO] [stdout]         `-(9) []=0x7ff054003e70
[INFO] [stdout]         `-(:) []=0x7ff0540040d0
[INFO] [stdout]         `-(;) []=0x7ff054004110
[INFO] [stdout]         `-(<) []=0x7ff054004380
[INFO] [stdout]         `-(=) []=0x7ff054004600
[INFO] [stdout]         `-(>) []=0x7ff054004640
[INFO] [stdout]         `-(?) []=0x7ff0540048d0
[INFO] [stdout]         `-(@) []=0x7ff054004910
[INFO] [stdout]         `-(A) []=0x7ff054004bb0
[INFO] [stdout]         `-(B) []=0x7ff054004bf0
[INFO] [stdout]         `-(C) []=0x7ff054004ea0
[INFO] [stdout]         `-(D) []=0x7ff054004ee0
[INFO] [stdout]         `-(E) []=0x7ff0540051a0
[INFO] [stdout]         `-(F) []=0x7ff054005470
[INFO] [stdout]         `-(G) []=0x7ff0540054b0
[INFO] [stdout]         `-(H) []=0x7ff054005790
[INFO] [stdout]         `-(I) []=0x7ff0540057d0
[INFO] [stdout]         `-(J) []=0x7ff054005ac0
[INFO] [stdout]         `-(K) []=0x7ff054005b00
[INFO] [stdout]         `-(L) []=0x7ff054005e00
[INFO] [stdout]         `-(M) []=0x7ff054006110
[INFO] [stdout]         `-(N) []=0x7ff054006150
[INFO] [stdout]         `-(O) []=0x7ff054006470
[INFO] [stdout]         `-(P) []=0x7ff0540064b0
[INFO] [stdout]         `-(Q) []=0x7ff0540067e0
[INFO] [stdout]         `-(R) []=0x7ff054006820
[INFO] [stdout]         `-(S) []=0x7ff054006b60
[INFO] [stdout]         `-(T) []=0x7ff054006ba0
[INFO] [stdout]         `-(U) []=0x7ff054006ef0
[INFO] [stdout]         `-(V) []=0x7ff054007250
[INFO] [stdout]         `-(W) []=0x7ff054007290
[INFO] [stdout]         `-(X) []=0x7ff054007600
[INFO] [stdout]         `-(Y) []=0x7ff054007640
[INFO] [stdout]         `-(Z) []=0x7ff0540079c0
[INFO] [stdout]         `-([) []=0x7ff054007a00
[INFO] [stdout]         `-(\) []=0x7ff054007d90
[INFO] [stdout]         `-(]) []=0x7ff054008130
[INFO] [stdout]         `-(^) []=0x7ff054008170
[INFO] [stdout]         `-(_) []=0x7ff054008520
[INFO] [stdout]         `-(`) []=0x7ff054008560
[INFO] [stdout]         `-(a) []=0x7ff054008920
[INFO] [stdout]         `-(b) []=0x7ff054008960
[INFO] [stdout]         `-(c) []=0x7ff054008d30
[ERROR] error running command: stream did not contain valid UTF-8
[INFO] running `Command { std: "docker" "inspect" "c60dfd4c3c77858c33d99fa2339aec016224187b220c4f0fdf398739393ea69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60dfd4c3c77858c33d99fa2339aec016224187b220c4f0fdf398739393ea69d", kill_on_drop: false }`
[INFO] [stdout] c60dfd4c3c77858c33d99fa2339aec016224187b220c4f0fdf398739393ea69d
