[INFO] fetching crate itertools 0.10.3... [INFO] checking itertools-0.10.3 against master#10f4ce324baf7cfb7ce2b2096662b82b79204944 for pr-98370-1 [INFO] extracting crate itertools 0.10.3 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate itertools 0.10.3 on toolchain 10f4ce324baf7cfb7ce2b2096662b82b79204944 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+10f4ce324baf7cfb7ce2b2096662b82b79204944" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate itertools 0.10.3 [INFO] finished tweaking crates.io crate itertools 0.10.3 [INFO] tweaked toml for crates.io crate itertools 0.10.3 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate itertools 0.10.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+10f4ce324baf7cfb7ce2b2096662b82b79204944" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded criterion v0.3.4 [INFO] [stderr] Downloaded cast v0.2.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+10f4ce324baf7cfb7ce2b2096662b82b79204944" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20ca1387787cb6f3c61a2296e00b8e9d3dc44a2d89b872db3db83fcf3c0d56c3 [INFO] running `Command { std: "docker" "start" "-a" "20ca1387787cb6f3c61a2296e00b8e9d3dc44a2d89b872db3db83fcf3c0d56c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20ca1387787cb6f3c61a2296e00b8e9d3dc44a2d89b872db3db83fcf3c0d56c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20ca1387787cb6f3c61a2296e00b8e9d3dc44a2d89b872db3db83fcf3c0d56c3", kill_on_drop: false }` [INFO] [stdout] 20ca1387787cb6f3c61a2296e00b8e9d3dc44a2d89b872db3db83fcf3c0d56c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+10f4ce324baf7cfb7ce2b2096662b82b79204944" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4e5c50a12c28730712fe8e3c93bd012cb9a186505a9011ef5e2463d00d0903b [INFO] running `Command { std: "docker" "start" "-a" "c4e5c50a12c28730712fe8e3c93bd012cb9a186505a9011ef5e2463d00d0903b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking permutohedron v0.2.4 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking itertools v0.10.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stdout] warning: unused attribute `inline` [INFO] [stdout] --> src/flatten_ok.rs:141:5 [INFO] [stdout] | [INFO] [stdout] 141 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields` [INFO] [stdout] --> src/flatten_ok.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 142 | clone_fields!(iter, inner_front, inner_back); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute `inline` [INFO] [stdout] --> src/rciter_impl.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields` [INFO] [stdout] --> src/rciter_impl.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | clone_fields!(rciter); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias [INFO] [stdout] --> src/adaptors/mod.rs:495:1 [INFO] [stdout] | [INFO] [stdout] 495 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias [INFO] [stdout] --> src/adaptors/coalesce.rs:89:1 [INFO] [stdout] | [INFO] [stdout] 89 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias [INFO] [stdout] --> src/adaptors/coalesce.rs:116:1 [INFO] [stdout] | [INFO] [stdout] 116 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias [INFO] [stdout] --> src/adaptors/coalesce.rs:189:1 [INFO] [stdout] | [INFO] [stdout] 189 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias [INFO] [stdout] --> src/grouping_map.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 42 | #[must_use = "GroupingMapBy is lazy and do nothing unless consumed"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias [INFO] [stdout] --> src/kmerge_impl.rs:107:1 [INFO] [stdout] | [INFO] [stdout] 107 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias [INFO] [stdout] --> src/duplicates_impl.rs:191:1 [INFO] [stdout] | [INFO] [stdout] 191 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stdout] warning: use of deprecated associated function `Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> src/concat_impl.rs:21:26 [INFO] [stdout] | [INFO] [stdout] 21 | iterable.into_iter().fold1(|mut a, b| { a.extend(b); a }).unwrap_or_else(<_>::default) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stdout] warning: use of deprecated associated function `Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> src/kmerge_impl.rs:219:19 [INFO] [stdout] | [INFO] [stdout] 219 | .fold1(size_hint::add) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> benches/fold_specialization.rs:35:42 [INFO] [stdout] | [INFO] [stdout] 35 | for &x in arr.iter().intersperse(&0) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> benches/fold_specialization.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | arr.iter().intersperse(&0).fold(0, |acc, x| acc + x) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> benches/fold_specialization.rs:60:46 [INFO] [stdout] | [INFO] [stdout] 60 | Unspecialized(arr.iter().intersperse(&0)).fold(0, |acc, x| acc + x) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: duplicated attribute [INFO] [stdout] --> tests/quick.rs:369:15 [INFO] [stdout] | [INFO] [stdout] 369 | $(#$attr)* [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 1553 | / quickcheck! { [INFO] [stdout] 1554 | | #[test] [INFO] [stdout] 1555 | | fn counts(nums: Vec) -> TestResult { [INFO] [stdout] 1556 | | let counts = nums.iter().counts(); [INFO] [stdout] ... | [INFO] [stdout] 1571 | | } [INFO] [stdout] 1572 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(duplicate_macro_attributes)]` on by default [INFO] [stdout] = note: this warning originates in the macro `quickcheck` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> benches/tree_fold1.rs:21:27 [INFO] [stdout] | [INFO] [stdout] 21 | stack.into_iter().fold1(f) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> benches/tree_fold1.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | fold1, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/specializations.rs:77:45 [INFO] [stdout] | [INFO] [stdout] 77 | test_specializations(&v.into_iter().intersperse(0)); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> tests/test_core.rs:286:60 [INFO] [stdout] | [INFO] [stdout] 286 | assert_eq!((0..i).tree_fold1(|x, y| x + y), (0..i).fold1(|x, y| x + y)); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> benches/tree_fold1.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | fold1, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> benches/tree_fold1.rs:118:5 [INFO] [stdout] | [INFO] [stdout] 118 | fold1, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/test_std.rs:126:53 [INFO] [stdout] | [INFO] [stdout] 126 | let v: Vec<&str> = xs.iter().map(|x| x.clone()).intersperse(", ").collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/test_std.rs:131:45 [INFO] [stdout] | [INFO] [stdout] 131 | let mut it = ys[..0].iter().map(|x| *x).intersperse(1); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/quick.rs:642:29 [INFO] [stdout] | [INFO] [stdout] 642 | correct_size_hint(a.intersperse(x)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/quick.rs:647:38 [INFO] [stdout] | [INFO] [stdout] 647 | for elt in a.iter().cloned().intersperse(x) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> tests/quick.rs:1151:30 [INFO] [stdout] | [INFO] [stdout] 1151 | let min = cloned(&a).fold1(f64::min); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> tests/quick.rs:1152:30 [INFO] [stdout] | [INFO] [stdout] 1152 | let max = cloned(&a).fold1(f64::max); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead [INFO] [stdout] --> tests/quick.rs:1313:55 [INFO] [stdout] | [INFO] [stdout] 1313 | .map(|(key, vals)| (key, vals.into_iter().fold1(|acc, val| acc + val).unwrap())) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.92s [INFO] running `Command { std: "docker" "inspect" "c4e5c50a12c28730712fe8e3c93bd012cb9a186505a9011ef5e2463d00d0903b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4e5c50a12c28730712fe8e3c93bd012cb9a186505a9011ef5e2463d00d0903b", kill_on_drop: false }` [INFO] [stdout] c4e5c50a12c28730712fe8e3c93bd012cb9a186505a9011ef5e2463d00d0903b