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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-at-least%2Fzcashd-barebones" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
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[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
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[INFO] [stderr]    Migrating src/rust/src/rustzcash.rs from 2018 edition to 2021
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[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr] crater-edition-check: librustzcash v0.2.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling tokio v1.12.0
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[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
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[INFO] [stderr]    Compiling metrics-macros v0.4.0
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[INFO] [stderr]     Checking metrics-exporter-prometheus v0.6.1
[INFO] [stderr]     Checking librustzcash v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:612:18
[INFO] [stdout]     |
[INFO] [stdout] 612 |         unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:656:18
[INFO] [stdout]     |
[INFO] [stdout] 656 |         unsafe { SAPLING_OUTPUT_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:722:18
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &raw const SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                   +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:792:18
[INFO] [stdout]     |
[INFO] [stdout] 792 |         unsafe { SPROUT_GROTH16_VK.as_ref() }.expect("parameters should have been initialized"),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:832:18
[INFO] [stdout]     |
[INFO] [stdout] 832 |         unsafe { SAPLING_OUTPUT_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:990:22
[INFO] [stdout]     |
[INFO] [stdout] 990 |             unsafe { SAPLING_SPEND_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:991:22
[INFO] [stdout]     |
[INFO] [stdout] 991 |             unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/orchard_ffi.rs:124:27
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let vk = unsafe { crate::ORCHARD_VK.as_ref() }.unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/rust/src/zip339_ffi.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             CString::from_raw(phrase as *mut c_char);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[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] 66 |             let _ = CString::from_raw(phrase as *mut c_char);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:612:18
[INFO] [stdout]     |
[INFO] [stdout] 612 |         unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:656:18
[INFO] [stdout]     |
[INFO] [stdout] 656 |         unsafe { SAPLING_OUTPUT_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:722:18
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &raw const SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                   +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:792:18
[INFO] [stdout]     |
[INFO] [stdout] 792 |         unsafe { SPROUT_GROTH16_VK.as_ref() }.expect("parameters should have been initialized"),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:832:18
[INFO] [stdout]     |
[INFO] [stdout] 832 |         unsafe { SAPLING_OUTPUT_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:990:22
[INFO] [stdout]     |
[INFO] [stdout] 990 |             unsafe { SAPLING_SPEND_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:991:22
[INFO] [stdout]     |
[INFO] [stdout] 991 |             unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/orchard_ffi.rs:124:27
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let vk = unsafe { crate::ORCHARD_VK.as_ref() }.unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/rust/src/zip339_ffi.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             CString::from_raw(phrase as *mut c_char);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[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] 66 |             let _ = CString::from_raw(phrase as *mut c_char);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   memchr v2.4.1 removed features: default
[INFO] [stderr]   regex v1.5.4 removed features: aho-corasick, default, memchr, perf, perf-cache, perf-dfa, perf-inline, perf-literal, unicode, unicode-age, unicode-bool, unicode-case, unicode-gencat, unicode-perl, unicode-script, unicode-segment
[INFO] [stderr]   tokio v1.12.0 removed features: winapi
[INFO] [stderr] 
[INFO] [stderr]     Checking librustzcash v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/rust/src/rustzcash.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/rust/src/rustzcash.rs (33 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:612:18
[INFO] [stdout]     |
[INFO] [stdout] 612 |         unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/rust/src/address_ffi.rs (3 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:656:18
[INFO] [stdout]     |
[INFO] [stdout] 656 |         unsafe { SAPLING_OUTPUT_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/rust/src/orchard_ffi.rs (17 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:722:18
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &raw const SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                   +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/rust/src/orchard_ffi/incremental_sinsemilla_tree_ffi.rs (19 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:792:18
[INFO] [stdout]     |
[INFO] [stdout] 792 |         unsafe { SPROUT_GROTH16_VK.as_ref() }.expect("parameters should have been initialized"),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/rust/src/tracing_ffi.rs (43 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:832:18
[INFO] [stdout]     |
[INFO] [stdout] 832 |         unsafe { SAPLING_OUTPUT_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/rust/src/zip339_ffi.rs (4 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:990:22
[INFO] [stdout]     |
[INFO] [stdout] 990 |             unsafe { SAPLING_SPEND_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/rust/src/metrics_ffi.rs (13 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:991:22
[INFO] [stdout]     |
[INFO] [stdout] 991 |             unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/rust/src/history_ffi.rs (3 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/orchard_ffi.rs:124:27
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let vk = unsafe { crate::ORCHARD_VK.as_ref() }.unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/rust/src/blake2b.rs (5 fixes)
[INFO] [stderr]        Fixed src/rust/src/transaction_ffi.rs (4 fixes)
[INFO] [stderr]        Fixed src/rust/src/ed25519.rs (3 fixes)
[INFO] [stderr]        Fixed src/rust/src/test_harness_ffi.rs (2 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:612:18
[INFO] [stdout]     |
[INFO] [stdout] 612 |         unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:656:18
[INFO] [stdout]     |
[INFO] [stdout] 656 |         unsafe { SAPLING_OUTPUT_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:722:18
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &raw const SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                   +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:792:18
[INFO] [stdout]     |
[INFO] [stdout] 792 |         unsafe { SPROUT_GROTH16_VK.as_ref() }.expect("parameters should have been initialized"),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:832:18
[INFO] [stdout]     |
[INFO] [stdout] 832 |         unsafe { SAPLING_OUTPUT_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:990:22
[INFO] [stdout]     |
[INFO] [stdout] 990 |             unsafe { SAPLING_SPEND_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:991:22
[INFO] [stdout]     |
[INFO] [stdout] 991 |             unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/orchard_ffi.rs:124:27
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let vk = unsafe { crate::ORCHARD_VK.as_ref() }.unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr] crater-edition-check: librustzcash v0.2.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking librustzcash v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:612:18
[INFO] [stdout]     |
[INFO] [stdout] 612 |         unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:656:18
[INFO] [stdout]     |
[INFO] [stdout] 656 |         unsafe { SAPLING_OUTPUT_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:722:18
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &raw const SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                   +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:792:18
[INFO] [stdout]     |
[INFO] [stdout] 792 |         unsafe { SPROUT_GROTH16_VK.as_ref() }.expect("parameters should have been initialized"),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:832:18
[INFO] [stdout]     |
[INFO] [stdout] 832 |         unsafe { SAPLING_OUTPUT_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:990:22
[INFO] [stdout]     |
[INFO] [stdout] 990 |             unsafe { SAPLING_SPEND_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:991:22
[INFO] [stdout]     |
[INFO] [stdout] 991 |             unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/orchard_ffi.rs:124:27
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let vk = unsafe { crate::ORCHARD_VK.as_ref() }.unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/rust/src/zip339_ffi.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             CString::from_raw(phrase as *mut c_char);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[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] 66 |             let _ = CString::from_raw(phrase as *mut c_char);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `librustzcash` (lib) due to 8 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:612:18
[INFO] [stdout]     |
[INFO] [stdout] 612 |         unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:656:18
[INFO] [stdout]     |
[INFO] [stdout] 656 |         unsafe { SAPLING_OUTPUT_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:722:18
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &raw const SPROUT_GROTH16_PARAMS_PATH }
[INFO] [stdout]     |                   +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:792:18
[INFO] [stdout]     |
[INFO] [stdout] 792 |         unsafe { SPROUT_GROTH16_VK.as_ref() }.expect("parameters should have been initialized"),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:832:18
[INFO] [stdout]     |
[INFO] [stdout] 832 |         unsafe { SAPLING_OUTPUT_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:990:22
[INFO] [stdout]     |
[INFO] [stdout] 990 |             unsafe { SAPLING_SPEND_PARAMS.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/rustzcash.rs:991:22
[INFO] [stdout]     |
[INFO] [stdout] 991 |             unsafe { SAPLING_SPEND_VK.as_ref() }.unwrap(),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/rust/src/orchard_ffi.rs:124:27
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let vk = unsafe { crate::ORCHARD_VK.as_ref() }.unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/rust/src/zip339_ffi.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             CString::from_raw(phrase as *mut c_char);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[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] 66 |             let _ = CString::from_raw(phrase as *mut c_char);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `librustzcash` (lib test) due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a14a750b2fc6944e7259af2ec877bb7166f178c1d90f211bb601026dc385268a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14a750b2fc6944e7259af2ec877bb7166f178c1d90f211bb601026dc385268a", kill_on_drop: false }`
[INFO] [stdout] a14a750b2fc6944e7259af2ec877bb7166f178c1d90f211bb601026dc385268a
