[INFO] fetching crate sapling-dag 0.1.0... [INFO] checking sapling-dag-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [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 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 181 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: v2.0.16) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sapling-minibytes v0.1.0 [INFO] [stderr] Downloaded sapling-dev-logger v0.1.0 [INFO] [stderr] Downloaded sapling-drawdag v0.1.0 [INFO] [stderr] Downloaded sapling-atomicfile v0.1.0 [INFO] [stderr] Downloaded fail v0.4.0 [INFO] [stderr] Downloaded arbitrary v1.4.2 [INFO] [stderr] Downloaded sapling-indexedlog v0.1.0 [INFO] [stderr] Downloaded env_logger v0.8.4 [INFO] [stderr] Downloaded sapling-renderdag v0.1.0 [INFO] [stderr] Downloaded abomonation_derive v0.5.0 [INFO] [stderr] Downloaded sapling-dag-types v0.1.0 [INFO] [stderr] Downloaded sapling-mincode v0.1.0 [INFO] [stderr] Downloaded sapling-nonblocking v0.1.0 [INFO] [stderr] Downloaded sapling-vlqencoding 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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 145ac3e3fd4d065c55617f31fd5d5534eafb997d49c0599cc0d8bab2afb6dda3 [INFO] running `Command { std: "docker" "start" "-a" "145ac3e3fd4d065c55617f31fd5d5534eafb997d49c0599cc0d8bab2afb6dda3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "145ac3e3fd4d065c55617f31fd5d5534eafb997d49c0599cc0d8bab2afb6dda3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "145ac3e3fd4d065c55617f31fd5d5534eafb997d49c0599cc0d8bab2afb6dda3", kill_on_drop: false }` [INFO] [stdout] 145ac3e3fd4d065c55617f31fd5d5534eafb997d49c0599cc0d8bab2afb6dda3 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c93fa08306cab90a787d6f17caf117955df2721ae4da1e902eba149161d8eae [INFO] running `Command { std: "docker" "start" "-a" "6c93fa08306cab90a787d6f17caf117955df2721ae4da1e902eba149161d8eae", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking memmap2 v0.5.10 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking deranged v0.5.3 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking num-conv v0.1.0 [INFO] [stderr] Checking time-core v0.1.6 [INFO] [stderr] Checking sapling-vlqencoding v0.1.0 [INFO] [stderr] Checking num_threads v0.1.7 [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking twox-hash v1.6.3 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking nu-ansi-term v0.50.1 [INFO] [stderr] Checking arbitrary v1.4.2 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking fail v0.4.0 [INFO] [stderr] Checking signal-hook-registry v1.4.6 [INFO] [stderr] Checking sapling-drawdag v0.1.0 [INFO] [stderr] Checking sapling-nonblocking v0.1.0 [INFO] [stderr] Checking time v0.3.43 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking matchers v0.2.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling abomonation_derive v0.5.0 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking bitflags v2.9.4 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Checking tracing-serde v0.2.0 [INFO] [stderr] Checking serde_json v1.0.143 [INFO] [stderr] Checking sapling-mincode v0.1.0 [INFO] [stderr] Checking indexmap v2.11.0 [INFO] [stderr] Checking rustix v1.0.8 [INFO] [stderr] Checking sapling-renderdag v0.1.0 [INFO] [stderr] Checking sapling-minibytes v0.1.0 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Checking sapling-dag-types v0.1.0 [INFO] [stderr] Checking tracing-subscriber v0.3.20 [INFO] [stderr] Checking tempfile v3.21.0 [INFO] [stderr] Checking sapling-atomicfile v0.1.0 [INFO] [stderr] Checking sapling-indexedlog v0.1.0 [INFO] [stderr] Checking sapling-dev-logger v0.1.0 [INFO] [stderr] Checking sapling-dag v0.1.0 (/opt/rustwide/workdir) [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [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> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `Command { std: "docker" "inspect" "6c93fa08306cab90a787d6f17caf117955df2721ae4da1e902eba149161d8eae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c93fa08306cab90a787d6f17caf117955df2721ae4da1e902eba149161d8eae", kill_on_drop: false }` [INFO] [stdout] 6c93fa08306cab90a787d6f17caf117955df2721ae4da1e902eba149161d8eae