[INFO] fetching crate sapling-dag 0.1.0...
[INFO] checking sapling-dag-0.1.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate sapling-dag 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sapling-dag 0.1.0
[INFO] finished tweaking crates.io crate sapling-dag 0.1.0
[INFO] tweaked toml for crates.io crate sapling-dag 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sapling-dag 0.1.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 162 packages to latest compatible versions
[INFO] [stderr]       Adding fail v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
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[INFO] [stdout] c4f134714e43e8ddda822dfc7cb02b600c0822c1efaafc36249069aa07d3f39c
[INFO] running `Command { std: "docker" "start" "-a" "c4f134714e43e8ddda822dfc7cb02b600c0822c1efaafc36249069aa07d3f39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4f134714e43e8ddda822dfc7cb02b600c0822c1efaafc36249069aa07d3f39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f134714e43e8ddda822dfc7cb02b600c0822c1efaafc36249069aa07d3f39c", kill_on_drop: false }`
[INFO] [stdout] c4f134714e43e8ddda822dfc7cb02b600c0822c1efaafc36249069aa07d3f39c
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[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
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[INFO] [stderr]     Checking sapling-dag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `store`
[INFO] [stdout]   --> src/config.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     BATCH_SIZE.store(value.max(1), Ordering::Release);
[INFO] [stdout]    |     ----------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     `BATCH_SIZE` is a interior mutable `const` item of type `AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const BATCH_SIZE` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stdout] help: for a shared instance of `BATCH_SIZE`, consider making it a `static` item instead
[INFO] [stdout]    |
[INFO] [stdout] 11 - pub(crate) const BATCH_SIZE: AtomicUsize = AtomicUsize::new(1024);
[INFO] [stdout] 11 + pub(crate) static BATCH_SIZE: AtomicUsize = AtomicUsize::new(1024);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `store`
[INFO] [stdout]     --> src/iddag.rs:2071:5
[INFO] [stdout]      |
[INFO] [stdout] 2071 |     DEFAULT_SEG_SIZE.store(new_size, Ordering::Release);
[INFO] [stdout]      |     ----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     `DEFAULT_SEG_SIZE` is a interior mutable `const` item of type `AtomicUsize`
[INFO] [stdout]      |
[INFO] [stdout]      = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]      = note: only the temporaries and never the original `const DEFAULT_SEG_SIZE` will be modified
[INFO] [stdout]      = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout] help: for a shared instance of `DEFAULT_SEG_SIZE`, consider making it a `static` item instead
[INFO] [stdout]      |
[INFO] [stdout]   79 - const DEFAULT_SEG_SIZE: AtomicUsize = AtomicUsize::new(16);
[INFO] [stdout]   79 + static DEFAULT_SEG_SIZE: AtomicUsize = AtomicUsize::new(16);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:745:31
[INFO] [stdout]     |
[INFO] [stdout] 745 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 745 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/difference.rs:114:31
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/id_lazy.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn load_all(&self) -> Result<MutexGuard<Inner>> {
[INFO] [stdout]     |                 ^^^^^            ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn load_all(&self) -> Result<MutexGuard<'_, Inner>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/id_static.rs:580:31
[INFO] [stdout]     |
[INFO] [stdout] 580 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 580 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/intersection.rs:242:31
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/set/reverse.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]    |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/slice.rs:356:31
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/union.rs:184:31
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `store`
[INFO] [stdout]   --> src/config.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     BATCH_SIZE.store(value.max(1), Ordering::Release);
[INFO] [stdout]    |     ----------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     `BATCH_SIZE` is a interior mutable `const` item of type `AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const BATCH_SIZE` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stdout] help: for a shared instance of `BATCH_SIZE`, consider making it a `static` item instead
[INFO] [stdout]    |
[INFO] [stdout] 11 - pub(crate) const BATCH_SIZE: AtomicUsize = AtomicUsize::new(1024);
[INFO] [stdout] 11 + pub(crate) static BATCH_SIZE: AtomicUsize = AtomicUsize::new(1024);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `store`
[INFO] [stdout]     --> src/iddag.rs:2071:5
[INFO] [stdout]      |
[INFO] [stdout] 2071 |     DEFAULT_SEG_SIZE.store(new_size, Ordering::Release);
[INFO] [stdout]      |     ----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     `DEFAULT_SEG_SIZE` is a interior mutable `const` item of type `AtomicUsize`
[INFO] [stdout]      |
[INFO] [stdout]      = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]      = note: only the temporaries and never the original `const DEFAULT_SEG_SIZE` will be modified
[INFO] [stdout]      = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout] help: for a shared instance of `DEFAULT_SEG_SIZE`, consider making it a `static` item instead
[INFO] [stdout]      |
[INFO] [stdout]   79 - const DEFAULT_SEG_SIZE: AtomicUsize = AtomicUsize::new(16);
[INFO] [stdout]   79 + static DEFAULT_SEG_SIZE: AtomicUsize = AtomicUsize::new(16);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:745:31
[INFO] [stdout]     |
[INFO] [stdout] 745 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 745 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/difference.rs:114:31
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/id_lazy.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn load_all(&self) -> Result<MutexGuard<Inner>> {
[INFO] [stdout]     |                 ^^^^^            ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn load_all(&self) -> Result<MutexGuard<'_, Inner>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/set/id_lazy.rs:385:44
[INFO] [stdout]     |
[INFO] [stdout] 385 |             let id = u64::from_le(unsafe { std::mem::transmute(slice) });
[INFO] [stdout]     |                                            -------------------^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            help: replace this with: `u64::from_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/set/id_lazy.rs:401:41
[INFO] [stdout]     |
[INFO] [stdout] 401 |             let buf: [u8; 8] = unsafe { std::mem::transmute(id.0.to_le()) };
[INFO] [stdout]     |                                         -------------------^^^^^^^^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         help: replace this with: `u64::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/id_static.rs:580:31
[INFO] [stdout]     |
[INFO] [stdout] 580 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 580 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/intersection.rs:242:31
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/set/reverse.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]    |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/slice.rs:356:31
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set/union.rs:184:31
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn specialized_flatten_id(&self) -> Option<Cow<IdStaticSet>> {
[INFO] [stdout]     |                               ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn specialized_flatten_id(&self) -> Option<Cow<'_, IdStaticSet>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.16s
[INFO] running `Command { std: "docker" "inspect" "a124da2b24f4e455a57a63640c23ca156882b2952855532ae71d647e4efefd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a124da2b24f4e455a57a63640c23ca156882b2952855532ae71d647e4efefd9e", kill_on_drop: false }`
[INFO] [stdout] a124da2b24f4e455a57a63640c23ca156882b2952855532ae71d647e4efefd9e
