[INFO] fetching crate itertools 0.10.3...
[INFO] testing itertools-0.10.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate itertools 0.10.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate itertools 0.10.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-8/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cec0527a82d8a146503df7cdffd6c9d86775da98239a91efefe9d1da2e119457
[INFO] running `Command { std: "docker" "start" "-a" "cec0527a82d8a146503df7cdffd6c9d86775da98239a91efefe9d1da2e119457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec0527a82d8a146503df7cdffd6c9d86775da98239a91efefe9d1da2e119457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec0527a82d8a146503df7cdffd6c9d86775da98239a91efefe9d1da2e119457", kill_on_drop: false }`
[INFO] [stdout] cec0527a82d8a146503df7cdffd6c9d86775da98239a91efefe9d1da2e119457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78aea4adccbf15b5da2d59234afcaf4aa14ccf1352168eba39e7489471ff7b93
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "78aea4adccbf15b5da2d59234afcaf4aa14ccf1352168eba39e7489471ff7b93", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.10.3 (/opt/rustwide/workdir)
[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/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] [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] [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: 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] [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] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "78aea4adccbf15b5da2d59234afcaf4aa14ccf1352168eba39e7489471ff7b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78aea4adccbf15b5da2d59234afcaf4aa14ccf1352168eba39e7489471ff7b93", kill_on_drop: false }`
[INFO] [stdout] 78aea4adccbf15b5da2d59234afcaf4aa14ccf1352168eba39e7489471ff7b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e30ec98644de57932248a27852591c11557486671ddfc71125b12212a3488dcd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e30ec98644de57932248a27852591c11557486671ddfc71125b12212a3488dcd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling itertools v0.10.0
[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/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] [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] [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: 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] [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] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling itertools v0.10.3 (/opt/rustwide/workdir)
[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 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[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<isize>) -> 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]    --> 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: 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 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[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 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[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 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[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 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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 test [unoptimized + debuginfo] target(s) in 37.99s
[INFO] [stderr]   Executable tests/adaptors_no_collect.rs (/opt/rustwide/target/debug/deps/adaptors_no_collect-fd1ae1bab1f4a092)
[INFO] [stderr]   Executable tests/flatten_ok.rs (/opt/rustwide/target/debug/deps/flatten_ok-83149b52b14f8c1e)
[INFO] [stderr]   Executable tests/macros_hygiene.rs (/opt/rustwide/target/debug/deps/macros_hygiene-233d1749d2456912)
[INFO] [stderr]   Executable tests/merge_join.rs (/opt/rustwide/target/debug/deps/merge_join-ca4fd9019dbd5336)
[INFO] [stderr]   Executable tests/peeking_take_while.rs (/opt/rustwide/target/debug/deps/peeking_take_while-fd064d3a1225940e)
[INFO] [stderr]   Executable tests/quick.rs (/opt/rustwide/target/debug/deps/quick-d65216e007a08ab6)
[INFO] [stderr]   Executable tests/specializations.rs (/opt/rustwide/target/debug/deps/specializations-47998679245d1ae4)
[INFO] [stderr]   Executable tests/test_core.rs (/opt/rustwide/target/debug/deps/test_core-aa8b316647ce8dec)
[INFO] [stderr]   Executable tests/test_std.rs (/opt/rustwide/target/debug/deps/test_std-588aa58d91274c1e)
[INFO] [stderr]   Executable tests/tuples.rs (/opt/rustwide/target/debug/deps/tuples-18a89698f3249f0f)
[INFO] [stderr]   Executable tests/zip.rs (/opt/rustwide/target/debug/deps/zip-fd21e4abb0273785)
[INFO] running `Command { std: "docker" "inspect" "e30ec98644de57932248a27852591c11557486671ddfc71125b12212a3488dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30ec98644de57932248a27852591c11557486671ddfc71125b12212a3488dcd", kill_on_drop: false }`
[INFO] [stdout] e30ec98644de57932248a27852591c11557486671ddfc71125b12212a3488dcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e675d9b16c2e371e11853bd012f783118d0f619cee5bc11db5851dc9c071e54d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e675d9b16c2e371e11853bd012f783118d0f619cee5bc11db5851dc9c071e54d", kill_on_drop: false }`
[INFO] [stderr] warning: unused attribute `inline`
[INFO] [stderr]    --> src/flatten_ok.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     #[inline]
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields`
[INFO] [stderr]    --> src/flatten_ok.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     clone_fields!(iter, inner_front, inner_back);
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute `inline`
[INFO] [stderr]   --> src/rciter_impl.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields`
[INFO] [stderr]   --> src/rciter_impl.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     clone_fields!(rciter);
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stderr]    --> src/adaptors/mod.rs:495:1
[INFO] [stderr]     |
[INFO] [stderr] 495 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stderr]   --> src/grouping_map.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[must_use = "GroupingMapBy is lazy and do nothing unless consumed"]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stderr]    --> src/kmerge_impl.rs:107:1
[INFO] [stderr]     |
[INFO] [stderr] 107 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stderr]    --> src/duplicates_impl.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stderr]   --> src/adaptors/coalesce.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stderr]    --> src/adaptors/coalesce.rs:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stderr]    --> src/adaptors/coalesce.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | #[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]   --> src/concat_impl.rs:21:26
[INFO] [stderr]    |
[INFO] [stderr] 21 |     iterable.into_iter().fold1(|mut a, b| { a.extend(b); a }).unwrap_or_else(<_>::default)
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]    --> src/kmerge_impl.rs:219:19
[INFO] [stderr]     |
[INFO] [stderr] 219 |                  .fold1(size_hint::add)
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `itertools` (lib) generated 11 warnings
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]   --> tests/specializations.rs:77:45
[INFO] [stderr]    |
[INFO] [stderr] 77 |         test_specializations(&v.into_iter().intersperse(0));
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]    --> tests/test_std.rs:126:53
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let v: Vec<&str> = xs.iter().map(|x| x.clone()).intersperse(", ").collect();
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]    --> tests/test_std.rs:131:45
[INFO] [stderr]     |
[INFO] [stderr] 131 |     let mut it = ys[..0].iter().map(|x| *x).intersperse(1);
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: duplicated attribute
[INFO] [stderr]     --> tests/quick.rs:369:15
[INFO] [stderr]      |
[INFO] [stderr] 369  |               $(#$attr)*
[INFO] [stderr]      |                 ^
[INFO] [stderr] ...
[INFO] [stderr] 1553 | / quickcheck! {
[INFO] [stderr] 1554 | |     #[test]
[INFO] [stderr] 1555 | |     fn counts(nums: Vec<isize>) -> TestResult {
[INFO] [stderr] 1556 | |         let counts = nums.iter().counts();
[INFO] [stderr] ...    |
[INFO] [stderr] 1571 | |     }
[INFO] [stderr] 1572 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(duplicate_macro_attributes)]` on by default
[INFO] [stderr]      = note: this warning originates in the macro `quickcheck` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]    --> tests/quick.rs:642:29
[INFO] [stderr]     |
[INFO] [stderr] 642 |         correct_size_hint(a.intersperse(x))
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]    --> tests/quick.rs:647:38
[INFO] [stderr]     |
[INFO] [stderr] 647 |         for elt in a.iter().cloned().intersperse(x) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]     --> tests/quick.rs:1151:30
[INFO] [stderr]      |
[INFO] [stderr] 1151 |         let min = cloned(&a).fold1(f64::min);
[INFO] [stderr]      |                              ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]     --> tests/quick.rs:1152:30
[INFO] [stderr]      |
[INFO] [stderr] 1152 |         let max = cloned(&a).fold1(f64::max);
[INFO] [stderr]      |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]     --> tests/quick.rs:1313:55
[INFO] [stderr]      |
[INFO] [stderr] 1313 |             .map(|(key, vals)| (key, vals.into_iter().fold1(|acc, val| acc + val).unwrap()))
[INFO] [stderr]      |                                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]    --> tests/test_core.rs:286:60
[INFO] [stderr]     |
[INFO] [stderr] 286 |         assert_eq!((0..i).tree_fold1(|x, y| x + y), (0..i).fold1(|x, y| x + y));
[INFO] [stderr]     |                                                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `itertools` (test "specializations") generated 1 warning
[INFO] [stderr] warning: `itertools` (test "test_std") generated 2 warnings
[INFO] [stderr] warning: `itertools` (test "quick") generated 6 warnings
[INFO] [stderr] warning: `itertools` (test "test_core") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running tests/adaptors_no_collect.rs (/opt/rustwide/target/debug/deps/adaptors_no_collect-fd1ae1bab1f4a092)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test combinations_no_collect ... ok
[INFO] [stdout] test combinations_with_replacement_no_collect ... ok
[INFO] [stdout] test permutations_no_collect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/flatten_ok.rs (/opt/rustwide/target/debug/deps/flatten_ok-83149b52b14f8c1e)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test flatten_ok_collect_ok_reverse ... ok
[INFO] [stdout] test flatten_ok_mixed_expected_reverse ... ok
[INFO] [stdout] test flatten_ok_collect_ok_forward ... ok
[INFO] [stdout] test flatten_ok_mixed_expected_forward ... ok
[INFO] [stdout] test flatten_ok_collect_mixed_forward ... ok
[INFO] [stdout] test flatten_ok_collect_mixed_reverse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/macros_hygiene.rs (/opt/rustwide/target/debug/deps/macros_hygiene-233d1749d2456912)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/merge_join.rs (/opt/rustwide/target/debug/deps/merge_join-ca4fd9019dbd5336)
[INFO] [stdout] test iproduct_hygiene ... ok
[INFO] [stdout] test izip_hygiene ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test right_only ... ok
[INFO] [stdout] test left_only ... ok
[INFO] [stdout] test interspersed_left_and_right ... ok
[INFO] [stderr]      Running tests/peeking_take_while.rs (/opt/rustwide/target/debug/deps/peeking_take_while-fd064d3a1225940e)
[INFO] [stdout] test overlapping_left_and_right ... ok
[INFO] [stdout] test first_right_then_left ... ok
[INFO] [stdout] test first_left_then_right ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test peeking_take_while_slice_iter ... ok
[INFO] [stdout] test peeking_take_while_peekable ... ok
[INFO] [stdout] test peeking_take_while_put_back ... ok
[INFO] [stdout] test peeking_take_while_put_back_n ... ok
[INFO] [stdout] test peeking_take_while_slice_iter_rev ... ok
[INFO] [stderr]      Running tests/quick.rs (/opt/rustwide/target/debug/deps/quick-d65216e007a08ab6)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 114 tests
[INFO] [stdout] test collect_tuple_matches_size ... ok
[INFO] [stdout] test correct_grouping_map_by_min_max_minmax_order_modulo_key ... ok
[INFO] [stdout] test correct_group_map_modulo_key ... ok
[INFO] [stdout] test consistent_grouping_map_with_by ... ok
[INFO] [stdout] test correct_grouping_map_by_min_modulo_key ... ok
[INFO] [stdout] test at_most_one_i32 ... ok
[INFO] [stdout] test correct_grouping_map_by_min_by_key_modulo_key ... ok
[INFO] [stdout] test correct_grouping_map_by_product_modulo_key ... ok
[INFO] [stdout] test correct_permutations ... ok
[INFO] [stdout] test correct_grouping_map_by_min_by_modulo_key ... ok
[INFO] [stdout] test count_unique ... ok
[INFO] [stdout] test correct_grouping_map_by_collect_modulo_key ... ok
[INFO] [stdout] test correct_grouping_map_by_aggregate_modulo_key ... ok
[INFO] [stdout] test dedup_via_coalesce ... ok
[INFO] [stdout] test equal_chunks_lazy ... ok
[INFO] [stdout] test correct_grouping_map_by_minmax_by_modulo_key ... ok
[INFO] [stdout] test correct_grouping_map_by_max_by_modulo_key ... ok
[INFO] [stdout] test correct_grouping_map_by_fold_modulo_key ... ok
[INFO] [stdout] test correct_grouping_map_by_max_modulo_key ... ok
[INFO] [stdout] test correct_grouping_map_by_minmax_by_key_modulo_key ... ok
[INFO] [stdout] test correct_grouping_map_by_max_by_key_modulo_key ... ok
[INFO] [stdout] test correct_grouping_map_by_minmax_modulo_key ... ok
[INFO] [stdout] test equal_dedup_by ... ok
[INFO] [stdout] test correct_grouping_map_by_fold_first_modulo_key ... ok
[INFO] [stdout] test equal_intersperse ... ok
[INFO] [stdout] test equal_step ... ok
[INFO] [stdout] test equal_dedup ... ok
[INFO] [stdout] test equal_partition ... ok
[INFO] [stdout] test equal_step_vec ... ok
[INFO] [stdout] test correct_grouping_map_by_sum_modulo_key ... ok
[INFO] [stdout] test counts ... ok
[INFO] [stdout] test counts ... ok
[INFO] [stdout] test equal_combinations ... ok
[INFO] [stdout] test equal_tuple_windows_1 ... ok
[INFO] [stdout] test equal_tuple_windows_2 ... ok
[INFO] [stdout] test equal_tuples_1 ... ok
[INFO] [stdout] test exact_interleave ... ok
[INFO] [stdout] test equal_tuples_4 ... ok
[INFO] [stdout] test equal_tuple_windows_4 ... ok
[INFO] [stdout] test equal_merge ... ok
[INFO] [stdout] test equal_tuples_3 ... ok
[INFO] [stdout] test equal_tuple_windows_3 ... ok
[INFO] [stdout] test exact_interleave_shortest ... ok
[INFO] [stdout] test equal_kmerge ... ok
[INFO] [stdout] test exact_repeatn ... ok
[INFO] [stdout] test exact_tuple_buffer ... ok
[INFO] [stdout] test equal_tuples_2 ... ok
[INFO] [stdout] test fused_filter_ok ... ok
[INFO] [stdout] test exactly_one_i32 ... ok
[INFO] [stdout] test fused_filter_map_ok ... ok
[INFO] [stdout] test equal_zip_eq ... ok
[INFO] [stdout] test fused_pad_using ... ok
[INFO] [stdout] test fused_interleave_shortest ... ok
[INFO] [stdout] test fused_merge ... ok
[INFO] [stdout] test correct_cartesian_product3 ... ok
[INFO] [stdout] test fused_tuple_windows ... ok
[INFO] [stdout] test fused_positions ... ok
[INFO] [stdout] test fused_update ... ok
[INFO] [stdout] test fused_product ... ok
[INFO] [stdout] test equal_combinations_2 ... ok
[INFO] [stdout] test fuzz_group_by_lazy_2 ... ok
[INFO] [stdout] test fuzz_group_by_lazy_1 ... ok
[INFO] [stdout] test fused_unique_by ... ok
[INFO] [stdout] test permutations_count ... ok
[INFO] [stdout] test permutations_lexic_order ... ok
[INFO] [stdout] test permutations_k0_yields_once ... ok
[INFO] [stdout] test fuzz_group_by_lazy_3 ... ok
[INFO] [stdout] test minmax ... ok
[INFO] [stdout] test permutations_size ... ok
[INFO] [stdout] test fused_unique ... ok
[INFO] [stdout] test size_2_zip_longest ... ok
[INFO] [stdout] test size_interleave_shortest ... ok
[INFO] [stdout] test size_dedup ... ok
[INFO] [stdout] test size_interleave ... ok
[INFO] [stdout] test size_intersperse ... ok
[INFO] [stdout] test size_merge ... ok
[INFO] [stdout] test fuzz_group_by_lazy_duo ... ok
[INFO] [stdout] test size_multipeek ... ok
[INFO] [stdout] test size_pad_tail ... ok
[INFO] [stdout] test size_peek_nth ... ok
[INFO] [stdout] test minmax_f64 ... ok
[INFO] [stdout] test size_pad_tail2 ... ok
[INFO] [stdout] test size_kmerge ... ok
[INFO] [stdout] test size_put_back ... ok
[INFO] [stdout] test size_duplicates ... ok
[INFO] [stdout] test size_combinations ... ok
[INFO] [stdout] test size_product ... ok
[INFO] [stdout] test size_dedup_by ... ok
[INFO] [stdout] test size_take_while_ref ... ok
[INFO] [stdout] test size_put_backn ... ok
[INFO] [stdout] test size_step ... ok
[INFO] [stdout] test size_tee ... ok
[INFO] [stdout] test size_zip_macro ... ok
[INFO] [stdout] test size_zip_rc ... ok
[INFO] [stdout] test size_zip ... ok
[INFO] [stdout] test size_zip_longest ... ok
[INFO] [stdout] test size_tee_2 ... ok
[INFO] [stdout] test size_unique ... ok
[INFO] [stdout] test with_position_exact_size_1 ... ok
[INFO] [stdout] test with_position_exact_size_2 ... ok
[INFO] [stdout] test test_double_ended_zip_2 ... ok
[INFO] [stdout] test tree_fold1_f64 ... ok
[INFO] [stdout] test test_double_ended_zip_3 ... ok
[INFO] [stdout] test equal_kmerge_by_le ... ok
[INFO] [stdout] test equal_kmerge_by_ge ... ok
[INFO] [stdout] test equal_kmerge_by_lt ... ok
[INFO] [stdout] test size_product3 ... ok
[INFO] [stdout] test equal_kmerge_2 ... ok
[INFO] [stdout] test size_powerset ... ok
[INFO] [stdout] test size_multi_product ... ok
[INFO] [stdout] test fused_tuple_combination ... ok
[INFO] [stdout] test correct_multi_product3 ... ok
[INFO] [stdout] test fused_combination ... ok
[INFO] [stderr]      Running tests/specializations.rs (/opt/rustwide/target/debug/deps/specializations-47998679245d1ae4)
[INFO] [stdout] test fused_combination_with_replacement ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 114 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.37s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test process_results ... ok
[INFO] [stdout] test map_into ... ok
[INFO] [stdout] test map_ok ... ok
[INFO] [stdout] test put_back_qc ... ok
[INFO] [stdout] test intersperse ... ok
[INFO] [stderr]      Running tests/test_core.rs (/opt/rustwide/target/debug/deps/test_core-aa8b316647ce8dec)
[INFO] [stderr]      Running tests/test_std.rs (/opt/rustwide/target/debug/deps/test_std-588aa58d91274c1e)
[INFO] [stdout] test merge_join_by_qc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test at_most_one ... ok
[INFO] [stdout] test batching ... ok
[INFO] [stdout] test chain2 ... ok
[INFO] [stdout] test chain_macro ... ok
[INFO] [stdout] test exactly_one ... ok
[INFO] [stdout] test merge ... ok
[INFO] [stdout] test multizip3 ... ok
[INFO] [stdout] test part ... ok
[INFO] [stdout] test repeatn ... ok
[INFO] [stdout] test sum1 ... ok
[INFO] [stdout] test test_interleave ... ok
[INFO] [stdout] test test_intersperse ... ok
[INFO] [stdout] test test_intersperse_with ... ok
[INFO] [stdout] test test_put_back ... ok
[INFO] [stdout] test tree_fold1 ... ok
[INFO] [stdout] test count_clones ... ok
[INFO] [stdout] test dropping ... ok
[INFO] [stdout] test izip2 ... ok
[INFO] [stdout] test foreach ... ok
[INFO] [stdout] test write_to ... ok
[INFO] [stdout] test product1 ... ok
[INFO] [stdout] test product2 ... ok
[INFO] [stdout] test product_temporary ... ok
[INFO] [stdout] test step ... ok
[INFO] [stdout] test izip_macro ... ok
[INFO] [stdout] test izip3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 68 tests
[INFO] [stdout] test all_equal ... ok
[INFO] [stdout] test all_unique ... ok
[INFO] [stdout] test chunks ... ok
[INFO] [stdout] test combinations ... ok
[INFO] [stdout] test combinations_of_too_short ... ok
[INFO] [stdout] test combinations_with_replacement ... ok
[INFO] [stdout] test combinations_zero ... ok
[INFO] [stdout] test dedup_by ... ok
[INFO] [stdout] test dedup_by_with_count ... ok
[INFO] [stdout] test coalesce ... ok
[INFO] [stdout] test dedup_with_count ... ok
[INFO] [stdout] test diff_mismatch ... ok
[INFO] [stdout] test duplicates ... ok
[INFO] [stdout] test duplicates_by ... ok
[INFO] [stdout] test diff_shorter ... ok
[INFO] [stdout] test dedup ... ok
[INFO] [stdout] test diff_longer ... ok
[INFO] [stdout] test exactly_one_question_mark_syntax_works ... ok
[INFO] [stdout] test concat_empty ... ok
[INFO] [stdout] test concat_non_empty ... ok
[INFO] [stdout] test fold_while ... ok
[INFO] [stdout] test format ... ok
[INFO] [stdout] test group_by ... ok
[INFO] [stdout] test group_by_lazy_2 ... ok
[INFO] [stdout] test group_by_lazy_3 ... ok
[INFO] [stdout] test interleave_shortest ... ok
[INFO] [stdout] test intersperse ... ok
[INFO] [stdout] test k_smallest_range ... ok
[INFO] [stdout] test join ... ok
[INFO] [stdout] test kmerge ... ok
[INFO] [stdout] test kmerge_size_hint ... ok
[INFO] [stdout] test pad_using ... ok
[INFO] [stdout] test permutations_zero ... ok
[INFO] [stdout] test merge_by_btree ... ok
[INFO] [stdout] test minmax ... ok
[INFO] [stdout] test sorted_by ... ok
[INFO] [stdout] test kmerge_empty_size_hint ... ok
[INFO] [stdout] test product3 ... ok
[INFO] [stdout] test sorted_by_key ... ok
[INFO] [stdout] test merge_by ... ok
[INFO] [stdout] test sorted_by_cached_key ... ok
[INFO] [stdout] test sorted_unstable_by ... ok
[INFO] [stdout] test kmerge_2 ... ok
[INFO] [stdout] test kmerge_empty ... ok
[INFO] [stdout] test multiunzip ... ok
[INFO] [stdout] test tee ... ok
[INFO] [stdout] test test_multipeek ... ok
[INFO] [stdout] test test_peek_nth ... ok
[INFO] [stdout] test test_multipeek_peeking_next ... ok
[INFO] [stdout] test test_peek_nth_peeking_next ... ok
[INFO] [stdout] test sorted_unstable_by_key ... ok
[INFO] [stdout] test trait_pointers ... ok
[INFO] [stdout] test unique ... ok
[INFO] [stdout] test while_some ... ok
[INFO] [stdout] test tree_fold1 ... ok
[INFO] [stdout] test unique_by ... ok
[INFO] [stdout] test test_put_back_n ... ok
[INFO] [stdout] test test_multipeek_reset ... ok
[INFO] [stdout] test k_smallest_sort_u32 ... ok
[INFO] [stdout] test test_rciter ... ok
[INFO] [stdout] test k_smallest_sort_u16 ... ok
[INFO] [stdout] test k_smallest_sort_i32 ... ok
[INFO] [stdout] test k_smallest_sort_i16 ... ok
[INFO] [stdout] test k_smallest_sort_i8 ... ok
[INFO] [stdout] test k_smallest_sort_u64 ... ok
[INFO] [stdout] test k_smallest_sort_u8 ... ok
[INFO] [stdout] test k_smallest_sort_i64 ... ok
[INFO] [stderr]      Running tests/tuples.rs (/opt/rustwide/target/debug/deps/tuples-18a89698f3249f0f)
[INFO] [stdout] test powerset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 68 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test collect_tuple ... ok
[INFO] [stdout] test next_tuple ... ok
[INFO] [stdout] test tuple_windows ... ok
[INFO] [stdout] test tuples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/zip.rs (/opt/rustwide/target/debug/deps/zip-fd21e4abb0273785)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_zip_longest_size_hint ... ok
[INFO] [stdout] test test_double_ended_zip ... ok
[INFO] [stdout] test zip_longest_fused ... ok
[INFO] [stdout] test test_double_ended_zip_longest ... ok
[INFO] [stderr]    Doc-tests itertools
[INFO] [stdout] test zip_eq_panic1 - should panic ... ok
[INFO] [stdout] test zip_eq_panic2 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 157 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name itertools --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-885cb125b48eab2e.rlib --extern either=/opt/rustwide/target/debug/deps/libeither-1fa9e7dc99f602fc.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c44d66c01b7be6d1.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-03d21a98958e81f6.so --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-9f7a8d4fd1fe9a8b.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-dd2e1576c27f357f.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-833b67bfaa36e7ba.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="use_alloc"' --cfg 'feature="use_std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e675d9b16c2e371e11853bd012f783118d0f619cee5bc11db5851dc9c071e54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e675d9b16c2e371e11853bd012f783118d0f619cee5bc11db5851dc9c071e54d", kill_on_drop: false }`
[INFO] [stdout] e675d9b16c2e371e11853bd012f783118d0f619cee5bc11db5851dc9c071e54d