[INFO] fetching crate iter-set-ops 0.2.4... [INFO] checking iter-set-ops-0.2.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate iter-set-ops 0.2.4 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate iter-set-ops 0.2.4 [INFO] finished tweaking crates.io crate iter-set-ops 0.2.4 [INFO] tweaked toml for crates.io crate iter-set-ops 0.2.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate iter-set-ops 0.2.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate iter-set-ops 0.2.4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded binary-heap-plus v0.5.0 [INFO] [stderr] Downloaded compare v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 22158c88d1a0ed2cf7c36ac1dc6bc857f676b93ec13987ed52ec4a2404408b2b [INFO] running `Command { std: "docker" "start" "-a" "22158c88d1a0ed2cf7c36ac1dc6bc857f676b93ec13987ed52ec4a2404408b2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22158c88d1a0ed2cf7c36ac1dc6bc857f676b93ec13987ed52ec4a2404408b2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22158c88d1a0ed2cf7c36ac1dc6bc857f676b93ec13987ed52ec4a2404408b2b", kill_on_drop: false }` [INFO] [stdout] 22158c88d1a0ed2cf7c36ac1dc6bc857f676b93ec13987ed52ec4a2404408b2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 270c4bd0a0664ed4d998065e26744bf5a9719aa2c3c53a7370d14278e4835d8f [INFO] running `Command { std: "docker" "start" "-a" "270c4bd0a0664ed4d998065e26744bf5a9719aa2c3c53a7370d14278e4835d8f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking compare v0.1.0 [INFO] [stderr] Checking binary-heap-plus v0.5.0 [INFO] [stderr] Checking iter-set-ops v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/intersect.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 22 | ) -> IntersectIterator Ordering + 'a> { [INFO] [stdout] | --------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 22 | ) -> IntersectIterator<'_, T, I, impl Fn(&T, &T) -> Ordering + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/intersect.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 43 | cmp: F, [INFO] [stdout] 44 | ) -> IntersectIterator { [INFO] [stdout] | -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 44 | ) -> IntersectIterator<'_, T, I, F> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/intersect.rs:216:12 [INFO] [stdout] | [INFO] [stdout] 216 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 217 | ) -> DetailedIntersectIterator Ordering + 'a> { [INFO] [stdout] | ----------------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 217 | ) -> DetailedIntersectIterator<'_, T, I, impl Fn(&T, &T) -> Ordering + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/intersect.rs:242:12 [INFO] [stdout] | [INFO] [stdout] 242 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 243 | cmp: F, [INFO] [stdout] 244 | ) -> DetailedIntersectIterator { [INFO] [stdout] | ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 244 | ) -> DetailedIntersectIterator<'_, T, I, F> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/merge.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 25 | ) -> MergeIterator< [INFO] [stdout] | ______- [INFO] [stdout] 26 | | T, [INFO] [stdout] 27 | | I, [INFO] [stdout] 28 | | impl Fn(&T, &T) -> Ordering + 'a, [INFO] [stdout] 29 | | impl Fn(&(usize, T), &(usize, T)) -> Ordering + 'a, [INFO] [stdout] 30 | | > { [INFO] [stdout] | |_- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 25 | ) -> MergeIterator<'_, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/merge.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 51 | cmp: F, [INFO] [stdout] 52 | ) -> MergeIterator Ordering + 'a> { [INFO] [stdout] | -------------------------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | ) -> MergeIterator<'_, T, I, F, impl Fn(&(usize, T), &(usize, T)) -> Ordering + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/merge.rs:129:12 [INFO] [stdout] | [INFO] [stdout] 129 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 130 | ) -> DetailedMergeIterator< [INFO] [stdout] | ______- [INFO] [stdout] 131 | | T, [INFO] [stdout] 132 | | I, [INFO] [stdout] 133 | | impl Fn(&T, &T) -> Ordering + 'a, [INFO] [stdout] 134 | | impl Fn(&(usize, T), &(usize, T)) -> Ordering + 'a, [INFO] [stdout] 135 | | > { [INFO] [stdout] | |_- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 130 | ) -> DetailedMergeIterator<'_, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/merge.rs:159:12 [INFO] [stdout] | [INFO] [stdout] 159 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 160 | cmp: F, [INFO] [stdout] 161 | ) -> DetailedMergeIterator Ordering + 'a> { [INFO] [stdout] | ---------------------------------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 161 | ) -> DetailedMergeIterator<'_, T, I, F, impl Fn(&(usize, T), &(usize, T)) -> Ordering + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/intersect.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 22 | ) -> IntersectIterator Ordering + 'a> { [INFO] [stdout] | --------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 22 | ) -> IntersectIterator<'_, T, I, impl Fn(&T, &T) -> Ordering + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/intersect.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 43 | cmp: F, [INFO] [stdout] 44 | ) -> IntersectIterator { [INFO] [stdout] | -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 44 | ) -> IntersectIterator<'_, T, I, F> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/intersect.rs:216:12 [INFO] [stdout] | [INFO] [stdout] 216 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 217 | ) -> DetailedIntersectIterator Ordering + 'a> { [INFO] [stdout] | ----------------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 217 | ) -> DetailedIntersectIterator<'_, T, I, impl Fn(&T, &T) -> Ordering + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/intersect.rs:242:12 [INFO] [stdout] | [INFO] [stdout] 242 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 243 | cmp: F, [INFO] [stdout] 244 | ) -> DetailedIntersectIterator { [INFO] [stdout] | ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 244 | ) -> DetailedIntersectIterator<'_, T, I, F> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/merge.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 25 | ) -> MergeIterator< [INFO] [stdout] | ______- [INFO] [stdout] 26 | | T, [INFO] [stdout] 27 | | I, [INFO] [stdout] 28 | | impl Fn(&T, &T) -> Ordering + 'a, [INFO] [stdout] 29 | | impl Fn(&(usize, T), &(usize, T)) -> Ordering + 'a, [INFO] [stdout] 30 | | > { [INFO] [stdout] | |_- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 25 | ) -> MergeIterator<'_, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/merge.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 51 | cmp: F, [INFO] [stdout] 52 | ) -> MergeIterator Ordering + 'a> { [INFO] [stdout] | -------------------------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | ) -> MergeIterator<'_, T, I, F, impl Fn(&(usize, T), &(usize, T)) -> Ordering + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/merge.rs:129:12 [INFO] [stdout] | [INFO] [stdout] 129 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 130 | ) -> DetailedMergeIterator< [INFO] [stdout] | ______- [INFO] [stdout] 131 | | T, [INFO] [stdout] 132 | | I, [INFO] [stdout] 133 | | impl Fn(&T, &T) -> Ordering + 'a, [INFO] [stdout] 134 | | impl Fn(&(usize, T), &(usize, T)) -> Ordering + 'a, [INFO] [stdout] 135 | | > { [INFO] [stdout] | |_- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 130 | ) -> DetailedMergeIterator<'_, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/merge.rs:159:12 [INFO] [stdout] | [INFO] [stdout] 159 | iters: &mut [I], [INFO] [stdout] | ^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 160 | cmp: F, [INFO] [stdout] 161 | ) -> DetailedMergeIterator Ordering + 'a> { [INFO] [stdout] | ---------------------------------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 161 | ) -> DetailedMergeIterator<'_, T, I, F, impl Fn(&(usize, T), &(usize, T)) -> Ordering + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s [INFO] running `Command { std: "docker" "inspect" "270c4bd0a0664ed4d998065e26744bf5a9719aa2c3c53a7370d14278e4835d8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "270c4bd0a0664ed4d998065e26744bf5a9719aa2c3c53a7370d14278e4835d8f", kill_on_drop: false }` [INFO] [stdout] 270c4bd0a0664ed4d998065e26744bf5a9719aa2c3c53a7370d14278e4835d8f