[INFO] fetching crate collected 0.4.0...
[INFO] testing collected-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate collected 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate collected 0.4.0 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 collected 0.4.0
[INFO] finished tweaking crates.io crate collected 0.4.0
[INFO] tweaked toml for crates.io crate collected 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 9f9996145fbe3c7e97bc59e47881a0b1fcc445908682928f30f310204e0d32c6
[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" "9f9996145fbe3c7e97bc59e47881a0b1fcc445908682928f30f310204e0d32c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f9996145fbe3c7e97bc59e47881a0b1fcc445908682928f30f310204e0d32c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9996145fbe3c7e97bc59e47881a0b1fcc445908682928f30f310204e0d32c6", kill_on_drop: false }`
[INFO] [stdout] 9f9996145fbe3c7e97bc59e47881a0b1fcc445908682928f30f310204e0d32c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e0b68fdd700320b25bfadeba8c48d9c27a3316bf87983490f521aa33e77fe1b0
[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" "e0b68fdd700320b25bfadeba8c48d9c27a3316bf87983490f521aa33e77fe1b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling min-max-heap v1.3.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling collected v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/add.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let sum = iter.into_iter().fold1(|lhs, rhs| lhs + rhs);
[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]   --> src/add.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs + rhs);
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/max.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let max = iter.into_iter().fold1(|lhs, rhs| lhs.max(rhs));
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/max.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs.max(rhs));
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/min.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let min = iter.into_iter().fold1(|lhs, rhs| lhs.min(rhs));
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/min.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs.min(rhs));
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/mul.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let prod = iter.into_iter().fold1(|lhs, rhs| lhs * rhs);
[INFO] [stdout]    |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/mul.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs * rhs);
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "e0b68fdd700320b25bfadeba8c48d9c27a3316bf87983490f521aa33e77fe1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b68fdd700320b25bfadeba8c48d9c27a3316bf87983490f521aa33e77fe1b0", kill_on_drop: false }`
[INFO] [stdout] e0b68fdd700320b25bfadeba8c48d9c27a3316bf87983490f521aa33e77fe1b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4477bf12169d1b5d6ff2b36878f61c0c47b3956daa3799b13a34d7caef389dea
[INFO] running `Command { std: "docker" "start" "-a" "4477bf12169d1b5d6ff2b36878f61c0c47b3956daa3799b13a34d7caef389dea", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/add.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let sum = iter.into_iter().fold1(|lhs, rhs| lhs + rhs);
[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]   --> src/add.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs + rhs);
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/max.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let max = iter.into_iter().fold1(|lhs, rhs| lhs.max(rhs));
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/max.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs.max(rhs));
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/min.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let min = iter.into_iter().fold1(|lhs, rhs| lhs.min(rhs));
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/min.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs.min(rhs));
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/mul.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let prod = iter.into_iter().fold1(|lhs, rhs| lhs * rhs);
[INFO] [stdout]    |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/mul.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs * rhs);
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling collected v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/add.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let sum = iter.into_iter().fold1(|lhs, rhs| lhs + rhs);
[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]   --> src/add.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs + rhs);
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/max.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let max = iter.into_iter().fold1(|lhs, rhs| lhs.max(rhs));
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/max.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs.max(rhs));
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/min.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let min = iter.into_iter().fold1(|lhs, rhs| lhs.min(rhs));
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/min.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs.min(rhs));
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/mul.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let prod = iter.into_iter().fold1(|lhs, rhs| lhs * rhs);
[INFO] [stdout]    |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout]   --> src/mul.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |             .fold1(|lhs, rhs| lhs * rhs);
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.75s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/collected-059ad29d74967e54)
[INFO] running `Command { std: "docker" "inspect" "4477bf12169d1b5d6ff2b36878f61c0c47b3956daa3799b13a34d7caef389dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4477bf12169d1b5d6ff2b36878f61c0c47b3956daa3799b13a34d7caef389dea", kill_on_drop: false }`
[INFO] [stdout] 4477bf12169d1b5d6ff2b36878f61c0c47b3956daa3799b13a34d7caef389dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d727f7718258d9cfdfe3298bf2b754c57f346347d9ec43802f6a5f773f444097
[INFO] running `Command { std: "docker" "start" "-a" "d727f7718258d9cfdfe3298bf2b754c57f346347d9ec43802f6a5f773f444097", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout] running 20 tests
[INFO] [stderr]   --> src/add.rs:12:36
[INFO] [stdout] test add::tests::add_test ... ok
[INFO] [stderr]    |
[INFO] [stdout] test from_unique_ord::tests::unique_ord_test ... ok
[INFO] [stderr] 12 |         let sum = iter.into_iter().fold1(|lhs, rhs| lhs + rhs);
[INFO] [stdout] test group_hash_map::tests::group_hash_map_test ... ok
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stdout] test max::tests::max_test ... ok
[INFO] [stderr]    |
[INFO] [stdout] test last::tests::last_test ... ok
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test mul::tests::mul_test ... ok
[INFO] [stderr] 
[INFO] [stdout] test noop::tests::noop_test ... ok
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stdout] test min::tests::min_test ... ok
[INFO] [stderr]   --> src/add.rs:47:14
[INFO] [stdout] test product::tests::product_test ... ok
[INFO] [stderr]    |
[INFO] [stdout] test sum::tests::sum_test ... ok
[INFO] [stderr] 47 |             .fold1(|lhs, rhs| lhs + rhs);
[INFO] [stdout] test unique_btree_set::tests::unque_hash_set_test ... ok
[INFO] [stderr]    |              ^^^^^
[INFO] [stdout] test uniquify_hash::tests::uniquify_hash_test ... ok
[INFO] [stderr] 
[INFO] [stdout] test unique_hash_set::tests::unque_hash_set_test ... ok
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]   --> src/max.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let max = iter.into_iter().fold1(|lhs, rhs| lhs.max(rhs));
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]   --> src/max.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |             .fold1(|lhs, rhs| lhs.max(rhs));
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]   --> src/min.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let min = iter.into_iter().fold1(|lhs, rhs| lhs.min(rhs));
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]   --> src/min.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |             .fold1(|lhs, rhs| lhs.min(rhs));
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]   --> src/mul.rs:12:37
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let prod = iter.into_iter().fold1(|lhs, rhs| lhs * rhs);
[INFO] [stderr]    |                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]   --> src/mul.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |             .fold1(|lhs, rhs| lhs * rhs);
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `collected` (lib) generated 8 warnings
[INFO] [stderr] warning: `collected` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/collected-059ad29d74967e54)
[INFO] [stdout] test unique_index_set::tests::unque_hash_set_test ... ok
[INFO] [stderr]    Doc-tests collected
[INFO] [stdout] test uniquify_ord::tests::uniquify_hash_test ... ok
[INFO] [stdout] test last_n::tests::last_n_test ... ok
[INFO] [stdout] test first::tests::first_test ... ok
[INFO] [stdout] test from_unique_hash::tests::unique_hash_test ... ok
[INFO] [stdout] test topk::tests::top_k_test ... ok
[INFO] [stdout] test count::tests::count_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d727f7718258d9cfdfe3298bf2b754c57f346347d9ec43802f6a5f773f444097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d727f7718258d9cfdfe3298bf2b754c57f346347d9ec43802f6a5f773f444097", kill_on_drop: false }`
[INFO] [stdout] d727f7718258d9cfdfe3298bf2b754c57f346347d9ec43802f6a5f773f444097