[INFO] fetching crate diffus 0.10.0... [INFO] building diffus-0.10.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate diffus 0.10.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate diffus 0.10.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate diffus 0.10.0 [INFO] finished tweaking crates.io crate diffus 0.10.0 [INFO] tweaked toml for crates.io crate diffus 0.10.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.7.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.14.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded diffus-derive v0.10.0 [INFO] [stderr] Downloaded snake_case v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca94f21d24ad69b90fd55c6f8f64f6dda64bebfbc90c8efe9fc0e1d4c0dc140b [INFO] running `Command { std: "docker" "start" "-a" "ca94f21d24ad69b90fd55c6f8f64f6dda64bebfbc90c8efe9fc0e1d4c0dc140b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca94f21d24ad69b90fd55c6f8f64f6dda64bebfbc90c8efe9fc0e1d4c0dc140b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca94f21d24ad69b90fd55c6f8f64f6dda64bebfbc90c8efe9fc0e1d4c0dc140b", kill_on_drop: false }` [INFO] [stdout] ca94f21d24ad69b90fd55c6f8f64f6dda64bebfbc90c8efe9fc0e1d4c0dc140b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e7eccd03e84a27f3b1eb718369da7af258dc6ed7ae80b7135896bd5ce82bd8e [INFO] running `Command { std: "docker" "start" "-a" "2e7eccd03e84a27f3b1eb718369da7af258dc6ed7ae80b7135896bd5ce82bd8e", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling diffus v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/collection.rs:12:65 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a, T: Same + Diffable<'a> + 'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 12 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 36 | / collection_impl! { [INFO] [stdout] 37 | | BinaryHeap, LinkedList, Vec, VecDeque [INFO] [stdout] 38 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] = note: this warning originates in the macro `collection_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/map.rs:12:59 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a, K: Eq + $key_constraint + 'a, V: Diffable<'a> + 'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 12 | fn diff(&'a self, other: &'a Self) -> Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 42 | / map_impl! { [INFO] [stdout] 43 | | (BTreeMap, Ord), [INFO] [stdout] 44 | | (HashMap, Hash) [INFO] [stdout] 45 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `map_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/option.rs:9:53 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a, T: Diffable<'a> + 'a> Diffable<'a> for Option { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 9 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/primitives.rs:9:65 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 9 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 22 | primitive_impl! { i64, i32, i16, i8, u64, u32, u16, u8, char, bool, isize, usize, f32, f64, () } [INFO] [stdout] | ------------------------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `primitive_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/set.rs:12:59 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a, K: Diffable<'a> + Eq + $key_constraint + 'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 12 | fn diff(&'a self, other: &'a Self) -> Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 42 | / set_impl! { [INFO] [stdout] 43 | | (BTreeSet, Ord, BTreeMap), [INFO] [stdout] 44 | | (HashSet, Hash, HashMap) [INFO] [stdout] 45 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `set_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/string.rs:9:53 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> Diffable<'a> for str { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 9 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/string.rs:30:53 [INFO] [stdout] | [INFO] [stdout] 27 | impl<'a> Diffable<'a> for String { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 30 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `Command { std: "docker" "inspect" "2e7eccd03e84a27f3b1eb718369da7af258dc6ed7ae80b7135896bd5ce82bd8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e7eccd03e84a27f3b1eb718369da7af258dc6ed7ae80b7135896bd5ce82bd8e", kill_on_drop: false }` [INFO] [stdout] 2e7eccd03e84a27f3b1eb718369da7af258dc6ed7ae80b7135896bd5ce82bd8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c24e8fa8ce5ecff6fb56fb37c14b029b4f7caed545cd6fc748a997ee9f887c15 [INFO] running `Command { std: "docker" "start" "-a" "c24e8fa8ce5ecff6fb56fb37c14b029b4f7caed545cd6fc748a997ee9f887c15", kill_on_drop: false }` [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/collection.rs:12:65 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a, T: Same + Diffable<'a> + 'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 12 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 36 | / collection_impl! { [INFO] [stdout] 37 | | BinaryHeap, LinkedList, Vec, VecDeque [INFO] [stdout] 38 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] = note: this warning originates in the macro `collection_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/map.rs:12:59 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a, K: Eq + $key_constraint + 'a, V: Diffable<'a> + 'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 12 | fn diff(&'a self, other: &'a Self) -> Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 42 | / map_impl! { [INFO] [stdout] 43 | | (BTreeMap, Ord), [INFO] [stdout] 44 | | (HashMap, Hash) [INFO] [stdout] 45 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `map_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/option.rs:9:53 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a, T: Diffable<'a> + 'a> Diffable<'a> for Option { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 9 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/primitives.rs:9:65 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 9 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 22 | primitive_impl! { i64, i32, i16, i8, u64, u32, u16, u8, char, bool, isize, usize, f32, f64, () } [INFO] [stdout] | ------------------------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `primitive_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/set.rs:12:59 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a, K: Diffable<'a> + Eq + $key_constraint + 'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 12 | fn diff(&'a self, other: &'a Self) -> Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 42 | / set_impl! { [INFO] [stdout] 43 | | (BTreeSet, Ord, BTreeMap), [INFO] [stdout] 44 | | (HashSet, Hash, HashMap) [INFO] [stdout] 45 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `set_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling diffus v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/string.rs:9:53 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> Diffable<'a> for str { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 9 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/string.rs:30:53 [INFO] [stdout] | [INFO] [stdout] 27 | impl<'a> Diffable<'a> for String { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 30 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/collection.rs:12:65 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a, T: Same + Diffable<'a> + 'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 12 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 36 | / collection_impl! { [INFO] [stdout] 37 | | BinaryHeap, LinkedList, Vec, VecDeque [INFO] [stdout] 38 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] = note: this warning originates in the macro `collection_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/map.rs:12:59 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a, K: Eq + $key_constraint + 'a, V: Diffable<'a> + 'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 12 | fn diff(&'a self, other: &'a Self) -> Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 42 | / map_impl! { [INFO] [stdout] 43 | | (BTreeMap, Ord), [INFO] [stdout] 44 | | (HashMap, Hash) [INFO] [stdout] 45 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `map_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/option.rs:9:53 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a, T: Diffable<'a> + 'a> Diffable<'a> for Option { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 9 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/primitives.rs:9:65 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 9 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 22 | primitive_impl! { i64, i32, i16, i8, u64, u32, u16, u8, char, bool, isize, usize, f32, f64, () } [INFO] [stdout] | ------------------------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `primitive_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/set.rs:12:59 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a, K: Diffable<'a> + Eq + $key_constraint + 'a> Diffable<'a> for $typ { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 12 | fn diff(&'a self, other: &'a Self) -> Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] ... [INFO] [stdout] 42 | / set_impl! { [INFO] [stdout] 43 | | (BTreeSet, Ord, BTreeMap), [INFO] [stdout] 44 | | (HashSet, Hash, HashMap) [INFO] [stdout] 45 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `set_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/string.rs:9:53 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> Diffable<'a> for str { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 9 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/diffable_impls/string.rs:30:53 [INFO] [stdout] | [INFO] [stdout] 27 | impl<'a> Diffable<'a> for String { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 30 | fn diff(&'a self, other: &'a Self) -> edit::Edit { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/diffable_impls/borrow.rs:52:43 [INFO] [stdout] | [INFO] [stdout] 52 | if let edit::Edit::Change(diff) = Box::new(left).diff(&Box::new(right)) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "c24e8fa8ce5ecff6fb56fb37c14b029b4f7caed545cd6fc748a997ee9f887c15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c24e8fa8ce5ecff6fb56fb37c14b029b4f7caed545cd6fc748a997ee9f887c15", kill_on_drop: false }` [INFO] [stdout] c24e8fa8ce5ecff6fb56fb37c14b029b4f7caed545cd6fc748a997ee9f887c15