[INFO] fetching crate rust-gmp-kzen 0.5.1...
[INFO] testing rust-gmp-kzen-0.5.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rust-gmp-kzen 0.5.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rust-gmp-kzen 0.5.1
[INFO] finished tweaking crates.io crate rust-gmp-kzen 0.5.1
[INFO] tweaked toml for crates.io crate rust-gmp-kzen 0.5.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-gmp-kzen 0.5.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a092146d382bcc5dbf5897869cf52e2f8162f402b604625bec45c2aafe9bb58a
[INFO] running `Command { std: "docker" "start" "-a" "a092146d382bcc5dbf5897869cf52e2f8162f402b604625bec45c2aafe9bb58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a092146d382bcc5dbf5897869cf52e2f8162f402b604625bec45c2aafe9bb58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a092146d382bcc5dbf5897869cf52e2f8162f402b604625bec45c2aafe9bb58a", kill_on_drop: false }`
[INFO] [stdout] a092146d382bcc5dbf5897869cf52e2f8162f402b604625bec45c2aafe9bb58a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e392deaffb9b82b5a5e10f29e5f35364f894d88c440b571c6449c50a8856e07
[INFO] running `Command { std: "docker" "start" "-a" "6e392deaffb9b82b5a5e10f29e5f35364f894d88c440b571c6449c50a8856e07", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rust-gmp-kzen v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/mpz.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem::{uninitialized,size_of};
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![warn(deprecated)]
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:211:27
[INFO] [stdout]     |
[INFO] [stdout] 211 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:266:27
[INFO] [stdout]     |
[INFO] [stdout] 266 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:515:27
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mpq.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use 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/mpq.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let mut mpq = uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/mpf.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use 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/mpf.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut mpf = uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpf.rs:204:27
[INFO] [stdout]     |
[INFO] [stdout] 204 |             let mut mpf = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/rand.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use 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/rand.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rand.rs:52:51
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rand.rs:60:51
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rand.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/rand.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mpz.rs:544:40
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn cause(&self) -> Option<&'static Error> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn cause(&self) -> Option<&'static dyn Error> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mpq.rs:209:40
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn cause(&self) -> Option<&'static Error> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn cause(&self) -> Option<&'static dyn 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/mpz.rs:535:14
[INFO] [stdout]     |
[INFO] [stdout] 535 |         self.description().fmt(f)
[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/mpq.rs:200:14
[INFO] [stdout]     |
[INFO] [stdout] 200 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:211:27
[INFO] [stdout]     |
[INFO] [stdout] 211 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:266:27
[INFO] [stdout]     |
[INFO] [stdout] 266 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:515:27
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpq_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/mpq.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let mut mpq = 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: in this struct field
[INFO] [stdout]   --> src/mpq.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     _mp_num: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpf_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/mpf.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut mpf = 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/mpf.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     _mp_prec: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpf_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpf.rs:204:27
[INFO] [stdout]     |
[INFO] [stdout] 204 |             let mut mpf = 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/mpf.rs:19:5
[INFO] [stdout]     |
[INFO] [stdout]  19 |     _mp_prec: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:52:51
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:60:51
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/rand.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]    --> src/rand.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 |     _mp_seed: mpz_struct,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "6e392deaffb9b82b5a5e10f29e5f35364f894d88c440b571c6449c50a8856e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e392deaffb9b82b5a5e10f29e5f35364f894d88c440b571c6449c50a8856e07", kill_on_drop: false }`
[INFO] [stdout] 6e392deaffb9b82b5a5e10f29e5f35364f894d88c440b571c6449c50a8856e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9ad350a101e733368ae0258ee14ba268d29641becd31c22e1baa561d5ea4923
[INFO] running `Command { std: "docker" "start" "-a" "f9ad350a101e733368ae0258ee14ba268d29641becd31c22e1baa561d5ea4923", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/mpz.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem::{uninitialized,size_of};
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![warn(deprecated)]
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:211:27
[INFO] [stdout]     |
[INFO] [stdout] 211 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:266:27
[INFO] [stdout]     |
[INFO] [stdout] 266 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:515:27
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mpq.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use 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/mpq.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let mut mpq = uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/mpf.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use 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/mpf.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut mpf = uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpf.rs:204:27
[INFO] [stdout]     |
[INFO] [stdout] 204 |             let mut mpf = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/rand.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use 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/rand.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-gmp-kzen v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rand.rs:52:51
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rand.rs:60:51
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rand.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/rand.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mpz.rs:544:40
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn cause(&self) -> Option<&'static Error> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn cause(&self) -> Option<&'static dyn Error> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mpq.rs:209:40
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn cause(&self) -> Option<&'static Error> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn cause(&self) -> Option<&'static dyn 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/mpz.rs:535:14
[INFO] [stdout]     |
[INFO] [stdout] 535 |         self.description().fmt(f)
[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/mpq.rs:200:14
[INFO] [stdout]     |
[INFO] [stdout] 200 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:211:27
[INFO] [stdout]     |
[INFO] [stdout] 211 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:266:27
[INFO] [stdout]     |
[INFO] [stdout] 266 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:515:27
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpq_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/mpq.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let mut mpq = 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: in this struct field
[INFO] [stdout]   --> src/mpq.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     _mp_num: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpf_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/mpf.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut mpf = 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/mpf.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     _mp_prec: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpf_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpf.rs:204:27
[INFO] [stdout]     |
[INFO] [stdout] 204 |             let mut mpf = 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/mpf.rs:19:5
[INFO] [stdout]     |
[INFO] [stdout]  19 |     _mp_prec: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:52:51
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:60:51
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/rand.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]    --> src/rand.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 |     _mp_seed: mpz_struct,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/mpz.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem::{uninitialized,size_of};
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![warn(deprecated)]
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:211:27
[INFO] [stdout]     |
[INFO] [stdout] 211 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:266:27
[INFO] [stdout]     |
[INFO] [stdout] 266 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:515:27
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpz.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             let mut mpz = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mpq.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use 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/mpq.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let mut mpq = uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/mpf.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use 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/mpf.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut mpf = uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpf.rs:204:27
[INFO] [stdout]     |
[INFO] [stdout] 204 |             let mut mpf = uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/rand.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use 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/rand.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rand.rs:52:51
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rand.rs:60:51
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rand.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/rand.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mpz.rs:544:40
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn cause(&self) -> Option<&'static Error> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn cause(&self) -> Option<&'static dyn Error> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mpq.rs:209:40
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn cause(&self) -> Option<&'static Error> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn cause(&self) -> Option<&'static dyn 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/mpz.rs:535:14
[INFO] [stdout]     |
[INFO] [stdout] 535 |         self.description().fmt(f)
[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/mpq.rs:200:14
[INFO] [stdout]     |
[INFO] [stdout] 200 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:211:27
[INFO] [stdout]     |
[INFO] [stdout] 211 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:266:27
[INFO] [stdout]     |
[INFO] [stdout] 266 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:515:27
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpz.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpq_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/mpq.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let mut mpq = 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: in this struct field
[INFO] [stdout]   --> src/mpq.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     _mp_num: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpf_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/mpf.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut mpf = 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/mpf.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     _mp_prec: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpf_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpf.rs:204:27
[INFO] [stdout]     |
[INFO] [stdout] 204 |             let mut mpf = 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/mpf.rs:19:5
[INFO] [stdout]     |
[INFO] [stdout]  19 |     _mp_prec: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:52:51
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:60:51
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]   --> src/rand.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]   --> src/rand.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     _mp_seed: mpz_struct,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpz.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     _mp_alloc: c_int,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/rand.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stdout]    --> src/rand.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 |     _mp_seed: mpz_struct,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/mpz.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     _mp_alloc: c_int,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/test.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         x / y;
[INFO] [stdout]     |         ^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let _ = x / y;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/test.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         x % y;
[INFO] [stdout]     |         ^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let _ = x % y;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/test.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         Mpz::from_str_radix("1010010011", 2).unwrap().popcount() == 5;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 319 |         let _ = Mpz::from_str_radix("1010010011", 2).unwrap().popcount() == 5;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/test.rs:626:9
[INFO] [stdout]     |
[INFO] [stdout] 626 |         x / y;
[INFO] [stdout]     |         ^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 626 |         let _ = x / y;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/test.rs:715:9
[INFO] [stdout]     |
[INFO] [stdout] 715 |         &x / &x;
[INFO] [stdout]     |         ^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 715 |         let _ = &x / &x;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "f9ad350a101e733368ae0258ee14ba268d29641becd31c22e1baa561d5ea4923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ad350a101e733368ae0258ee14ba268d29641becd31c22e1baa561d5ea4923", kill_on_drop: false }`
[INFO] [stdout] f9ad350a101e733368ae0258ee14ba268d29641becd31c22e1baa561d5ea4923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e7d0ecccf91c7b58d5e60df18945389500fcb4c9a0be7f4cf29f0791021c31f
[INFO] running `Command { std: "docker" "start" "-a" "5e7d0ecccf91c7b58d5e60df18945389500fcb4c9a0be7f4cf29f0791021c31f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/mpz.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem::{uninitialized,size_of};
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![warn(deprecated)]
[INFO] [stderr]   |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/mpz.rs:203:27
[INFO] [stderr]     |
[INFO] [stderr] 203 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/mpz.rs:211:27
[INFO] [stderr]     |
[INFO] [stderr] 211 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/mpz.rs:266:27
[INFO] [stderr]     |
[INFO] [stderr] 266 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/mpz.rs:515:27
[INFO] [stderr]     |
[INFO] [stderr] 515 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/mpz.rs:552:27
[INFO] [stderr]     |
[INFO] [stderr] 552 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/mpq.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::mem::uninitialized;
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/mpq.rs:75:27
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let mut mpq = uninitialized();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/mpf.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem::uninitialized;
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/mpf.rs:84:27
[INFO] [stderr]    |
[INFO] [stderr] 84 |             let mut mpf = uninitialized();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/mpf.rs:204:27
[INFO] [stderr]     |
[INFO] [stderr] 204 |             let mut mpf = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/rand.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem::uninitialized;
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/rand.rs:44:51
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/rand.rs:52:51
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/rand.rs:60:51
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/rand.rs:68:51
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/rand.rs:104:51
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let mut state: gmp_randstate_struct = uninitialized();
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mpz.rs:544:40
[INFO] [stderr]     |
[INFO] [stderr] 544 |     fn cause(&self) -> Option<&'static Error> {
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 544 |     fn cause(&self) -> Option<&'static dyn Error> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mpq.rs:209:40
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn cause(&self) -> Option<&'static Error> {
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn cause(&self) -> Option<&'static dyn 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/mpz.rs:535:14
[INFO] [stderr]     |
[INFO] [stderr] 535 |         self.description().fmt(f)
[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/mpq.rs:200:14
[INFO] [stderr]     |
[INFO] [stderr] 200 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stderr]    --> src/mpz.rs:203:27
[INFO] [stderr]     |
[INFO] [stderr] 203 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stderr]     |
[INFO] [stderr]  28 |     _mp_alloc: c_int,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stderr]    --> src/mpz.rs:211:27
[INFO] [stderr]     |
[INFO] [stderr] 211 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stderr]     |
[INFO] [stderr]  28 |     _mp_alloc: c_int,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stderr]    --> src/mpz.rs:266:27
[INFO] [stderr]     |
[INFO] [stderr] 266 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stderr]     |
[INFO] [stderr]  28 |     _mp_alloc: c_int,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stderr]    --> src/mpz.rs:515:27
[INFO] [stderr]     |
[INFO] [stderr] 515 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stderr]     |
[INFO] [stderr]  28 |     _mp_alloc: c_int,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `mpz_struct` does not permit being left uninitialized
[INFO] [stderr]    --> src/mpz.rs:552:27
[INFO] [stderr]     |
[INFO] [stderr] 552 |             let mut mpz = 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/mpz.rs:28:5
[INFO] [stderr]     |
[INFO] [stderr]  28 |     _mp_alloc: c_int,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `mpq_struct` does not permit being left uninitialized
[INFO] [stderr]   --> src/mpq.rs:75:27
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let mut mpq = 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: in this struct field
[INFO] [stderr]   --> src/mpq.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     _mp_num: mpz_struct,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]   --> src/mpz.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     _mp_alloc: c_int,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `mpf_struct` does not permit being left uninitialized
[INFO] [stderr]   --> src/mpf.rs:84:27
[INFO] [stderr]    |
[INFO] [stderr] 84 |             let mut mpf = 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/mpf.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     _mp_prec: c_int,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `mpf_struct` does not permit being left uninitialized
[INFO] [stderr]    --> src/mpf.rs:204:27
[INFO] [stderr]     |
[INFO] [stderr] 204 |             let mut mpf = 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/mpf.rs:19:5
[INFO] [stderr]     |
[INFO] [stderr]  19 |     _mp_prec: c_int,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stderr]   --> src/rand.rs:44:51
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stderr]   --> src/rand.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr]  7 |     _mp_seed: mpz_struct,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]   --> src/mpz.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     _mp_alloc: c_int,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stderr]   --> src/rand.rs:52:51
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stderr]   --> src/rand.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr]  7 |     _mp_seed: mpz_struct,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]   --> src/mpz.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     _mp_alloc: c_int,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stderr]   --> src/rand.rs:60:51
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stderr]   --> src/rand.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr]  7 |     _mp_seed: mpz_struct,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]   --> src/mpz.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     _mp_alloc: c_int,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stderr]   --> src/rand.rs:68:51
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stderr]   --> src/rand.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr]  7 |     _mp_seed: mpz_struct,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]   --> src/mpz.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     _mp_alloc: c_int,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `gmp_randstate_struct` does not permit being left uninitialized
[INFO] [stderr]    --> src/rand.rs:104:51
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let mut state: gmp_randstate_struct = 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: in this struct field
[INFO] [stderr]    --> src/rand.rs:7:5
[INFO] [stderr]     |
[INFO] [stderr]   7 |     _mp_seed: mpz_struct,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: integers must be initialized (in this struct field)
[INFO] [stderr]    --> src/mpz.rs:28:5
[INFO] [stderr]     |
[INFO] [stderr]  28 |     _mp_alloc: c_int,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-gmp-kzen` (lib) generated 34 warnings (run `cargo fix --lib -p rust-gmp-kzen` to apply 2 suggestions)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/test.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         x / y;
[INFO] [stderr]     |         ^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let _ = x / y;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/test.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         x % y;
[INFO] [stderr]     |         ^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let _ = x % y;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/test.rs:319:9
[INFO] [stderr]     |
[INFO] [stderr] 319 |         Mpz::from_str_radix("1010010011", 2).unwrap().popcount() == 5;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 319 |         let _ = Mpz::from_str_radix("1010010011", 2).unwrap().popcount() == 5;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/test.rs:626:9
[INFO] [stderr]     |
[INFO] [stderr] 626 |         x / y;
[INFO] [stderr]     |         ^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 626 |         let _ = x / y;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/test.rs:715:9
[INFO] [stderr]     |
[INFO] [stderr] 715 |         &x / &x;
[INFO] [stderr]     |         ^^^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 715 |         let _ = &x / &x;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-gmp-kzen` (lib test) generated 39 warnings (34 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gmp-72c91bfae11c419c)
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test test::mpf::test_sign ... ok
[INFO] [stdout] test test::mpq::test_ceil ... ok
[INFO] [stdout] test test::mpq::test_fmt ... ok
[INFO] [stdout] test test::mpq::test_from_str_radix ... ok
[INFO] [stdout] test test::mpq::test_floor ... ok
[INFO] [stdout] test test::mpq::test_one ... ok
[INFO] [stdout] test test::mpq::test_ratio ... ok
[INFO] [stdout] test test::mpq::test_sign ... ok
[INFO] [stdout] test test::mpz::test_abs ... ok
[INFO] [stdout] test test::mpz::test_add ... ok
[INFO] [stdout] test test::mpz::test_bitor ... ok
[INFO] [stdout] test test::mpz::test_bitxor ... ok
[INFO] [stdout] test test::mpz::test_clone ... ok
[INFO] [stdout] test test::mpz::test_compl ... ok
[INFO] [stdout] test test::mpz::test_div_floor ... ok
[INFO] [stdout] test test::mpz::test_div_round ... ok
[INFO] [stdout] test test::mpz::test_eq ... ok
[INFO] [stdout] test test::mpz::test_from_int ... ok
[INFO] [stdout] test test::mpz::test_bit_fiddling ... ok
[INFO] [stdout] test test::mpz::test_bit_length ... ok
[INFO] [stdout] test test::mpz::test_bitand ... ok
[INFO] [stdout] test test::mpz::test_from_slice_u8 ... ok
[INFO] [stdout] test test::mpz::test_gcd ... ok
[INFO] [stdout] test test::mpz::test_gcdext ... ok
[INFO] [stdout] test test::mpz::test_hash_long ... ok
[INFO] [stdout] test test::mpz::test_hamdist ... ok
[INFO] [stdout] test test::mpz::test_hash_short ... ok
[INFO] [stdout] test test::mpz::test_invalid_str ... ok
[INFO] [stdout] test test::mpz::test_invert ... ok
[INFO] [stdout] test test::mpz::test_is_multiple_of ... ok
[INFO] [stdout] test test::mpz::test_lcm ... ok
[INFO] [stdout] test test::mpz::test_mod_floor ... ok
[INFO] [stdout] test test::mpz::test_modulus ... ok
[INFO] [stdout] test test::mpz::test_mul ... ok
[INFO] [stdout] test test::mpz::test_nextprime ... ok
[INFO] [stdout] test test::mpz::test_one ... ok
[INFO] [stdout] test test::mpz::test_ord ... ok
[INFO] [stdout] test test::mpz::test_popcount ... ok
[INFO] [stdout] test test::mpz::test_pow ... ok
[INFO] [stdout] test test::mpz::test_powm ... ok
[INFO] [stdout] test test::mpz::test_powm_sec ... ok
[INFO] [stdout] test test::mpz::test_probab_prime ... ok
[INFO] [stdout] test test::mpz::test_rem ... ok
[INFO] [stdout] test test::mpz::test_root ... ok
[INFO] [stdout] test test::mpz::test_set ... ok
[INFO] [stdout] test test::mpz::test_set_from_str_radix ... ok
[INFO] [stdout] test test::mpq::test_invert_zero - should panic ... ok
[INFO] [stdout] test test::mpq::test_div_zero - should panic ... ok
[INFO] [stdout] test test::mpz::test_shifts ... ok
[INFO] [stdout] test test::mpf::test_div_zero - should panic ... ok
[INFO] [stdout] test test::mpz::test_sign ... ok
[INFO] [stdout] test test::mpz::test_div_zero - should panic ... ok
[INFO] [stdout] test test::mpz::test_to_i64 ... ok
[INFO] [stdout] test test::mpz::test_from_str_radix_lower_bound - should panic ... ok
[INFO] [stdout] test test::mpz::test_to_str_radix ... ok
[INFO] [stdout] test test::mpz::test_to_string ... ok
[INFO] [stdout] test test::mpz::test_to_u64 ... ok
[INFO] [stdout] test test::mpz::test_rem_zero - should panic ... ok
[INFO] [stdout] test test::mpz::test_set_from_str_radix_lower_bound - should panic ... ok
[INFO] [stdout] test test::mpz::test_to_vec_u8 ... ok
[INFO] [stdout] test test::mpz::test_sqrt ... ok
[INFO] [stdout] test test::test_limb_size ... ok
[INFO] [stdout] test test::mpz::test_sub ... ok
[INFO] [stdout] test test::mpz::test_from_str_radix_upper_bound - should panic ... ok
[INFO] [stdout] test test::rand::test_randstate ... ok
[INFO] [stdout] test test::mpz::test_set_from_str_radix_upper_bound - should panic ... ok
[INFO] [stderr]    Doc-tests gmp
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e7d0ecccf91c7b58d5e60df18945389500fcb4c9a0be7f4cf29f0791021c31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7d0ecccf91c7b58d5e60df18945389500fcb4c9a0be7f4cf29f0791021c31f", kill_on_drop: false }`
[INFO] [stdout] 5e7d0ecccf91c7b58d5e60df18945389500fcb4c9a0be7f4cf29f0791021c31f
