[INFO] fetching crate sapling-dag 0.1.0...
[INFO] checking sapling-dag-0.1.0 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate sapling-dag 0.1.0 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sapling-dag 0.1.0 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "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" "+507271bc119683008ec719ecee48814e8ac86c65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 171 packages to latest compatible versions
[INFO] [stderr]       Adding fail v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sapling-nonblocking v0.1.0
[INFO] [stderr]   Downloaded sapling-renderdag v0.1.0
[INFO] [stderr]   Downloaded sapling-minibytes v0.1.0
[INFO] [stderr]   Downloaded sapling-mincode v0.1.0
[INFO] [stderr]   Downloaded sapling-vlqencoding v0.1.0
[INFO] [stderr]   Downloaded sapling-atomicfile v0.1.0
[INFO] [stderr]   Downloaded num_threads v0.1.7
[INFO] [stderr]   Downloaded quickcheck v1.1.0
[INFO] [stderr]   Downloaded fail v0.4.0
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded sapling-dag-types v0.1.0
[INFO] [stderr]   Downloaded sapling-drawdag v0.1.0
[INFO] [stderr]   Downloaded sapling-dev-logger v0.1.0
[INFO] [stderr]   Downloaded abomonation_derive v0.5.0
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded sapling-indexedlog v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da5fb593fd064a5790629fd6f8a5f1b7888a76c33c131854abeea14ca3c93d83
[INFO] running `Command { std: "docker" "start" "-a" "da5fb593fd064a5790629fd6f8a5f1b7888a76c33c131854abeea14ca3c93d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5fb593fd064a5790629fd6f8a5f1b7888a76c33c131854abeea14ca3c93d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5fb593fd064a5790629fd6f8a5f1b7888a76c33c131854abeea14ca3c93d83", kill_on_drop: false }`
[INFO] [stdout] da5fb593fd064a5790629fd6f8a5f1b7888a76c33c131854abeea14ca3c93d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f335a6e401b798b6428c9b7f7d1977a5abf71152f6111b3bb8c122eea1354c2d
[INFO] running `Command { std: "docker" "start" "-a" "f335a6e401b798b6428c9b7f7d1977a5abf71152f6111b3bb8c122eea1354c2d", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.36
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[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]     Checking sapling-dag-types v0.1.0
[INFO] [stderr]     Checking sapling-dag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sapling-dev-logger v0.1.0
[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 `Atomic<usize>`
[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 `Atomic<usize>`
[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 `Atomic<usize>`
[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 `Atomic<usize>`
[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: 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] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 385 -             let id = u64::from_le(unsafe { std::mem::transmute(slice) });
[INFO] [stdout] 385 +             let id = u64::from_le(unsafe { u64::from_ne_bytes(slice) });
[INFO] [stdout]     |
[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: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 401 -             let buf: [u8; 8] = unsafe { std::mem::transmute(id.0.to_le()) };
[INFO] [stdout] 401 +             let buf: [u8; 8] = unsafe { u64::to_ne_bytes(id.0.to_le()) };
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.73s
[INFO] running `Command { std: "docker" "inspect" "f335a6e401b798b6428c9b7f7d1977a5abf71152f6111b3bb8c122eea1354c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f335a6e401b798b6428c9b7f7d1977a5abf71152f6111b3bb8c122eea1354c2d", kill_on_drop: false }`
[INFO] [stdout] f335a6e401b798b6428c9b7f7d1977a5abf71152f6111b3bb8c122eea1354c2d
