[INFO] cloning repository https://github.com/jerry73204/rust-collected
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jerry73204/rust-collected" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerry73204%2Frust-collected", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerry73204%2Frust-collected'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee73b5f6dc258401b69e039a0064f8bf85c1969b
[INFO] testing jerry73204/rust-collected against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerry73204%2Frust-collected" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jerry73204/rust-collected on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jerry73204/rust-collected
[INFO] finished tweaking git repo https://github.com/jerry73204/rust-collected
[INFO] tweaked toml for git repo https://github.com/jerry73204/rust-collected written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 min-max-heap v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc08252571e12699967efb9125e58973dbe593969c5739e5f6491f3ae18a9ffe
[INFO] running `Command { std: "docker" "start" "-a" "bc08252571e12699967efb9125e58973dbe593969c5739e5f6491f3ae18a9ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc08252571e12699967efb9125e58973dbe593969c5739e5f6491f3ae18a9ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc08252571e12699967efb9125e58973dbe593969c5739e5f6491f3ae18a9ffe", kill_on_drop: false }`
[INFO] [stdout] bc08252571e12699967efb9125e58973dbe593969c5739e5f6491f3ae18a9ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c5f1930de5f162ff261d30e151a6eb656f4b787fd7a8925a1f034622e2d7cb0
[INFO] running `Command { std: "docker" "start" "-a" "2c5f1930de5f162ff261d30e151a6eb656f4b787fd7a8925a1f034622e2d7cb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling min-max-heap v1.3.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling collected v0.3.0 (/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 4.63s
[INFO] running `Command { std: "docker" "inspect" "2c5f1930de5f162ff261d30e151a6eb656f4b787fd7a8925a1f034622e2d7cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5f1930de5f162ff261d30e151a6eb656f4b787fd7a8925a1f034622e2d7cb0", kill_on_drop: false }`
[INFO] [stdout] 2c5f1930de5f162ff261d30e151a6eb656f4b787fd7a8925a1f034622e2d7cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fdaa5c1090243bbab97f488fa4888f1df04b5e6992140d1fe071aee76b841d2
[INFO] running `Command { std: "docker" "start" "-a" "8fdaa5c1090243bbab97f488fa4888f1df04b5e6992140d1fe071aee76b841d2", kill_on_drop: false }`
[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] [stderr]    Compiling collected v0.3.0 (/opt/rustwide/workdir)
[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] [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 1.63s
[INFO] running `Command { std: "docker" "inspect" "8fdaa5c1090243bbab97f488fa4888f1df04b5e6992140d1fe071aee76b841d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdaa5c1090243bbab97f488fa4888f1df04b5e6992140d1fe071aee76b841d2", kill_on_drop: false }`
[INFO] [stdout] 8fdaa5c1090243bbab97f488fa4888f1df04b5e6992140d1fe071aee76b841d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9dbb69ae1a0dc7b71a83ca5aac078399c1042c08d2a9fdc93abf6d1c2f35937
[INFO] running `Command { std: "docker" "start" "-a" "a9dbb69ae1a0dc7b71a83ca5aac078399c1042c08d2a9fdc93abf6d1c2f35937", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `itertools::Itertools::fold1`: Use `Iterator::reduce` instead
[INFO] [stderr]   --> src/add.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let sum = iter.into_iter().fold1(|lhs, rhs| lhs + rhs);
[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]   --> src/add.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |             .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/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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collected-dc4755f577300e4a)
[INFO] [stdout] running 20 tests
[INFO] [stdout] test first::tests::first_test ... ok
[INFO] [stdout] test add::tests::add_test ... ok
[INFO] [stdout] test count::tests::count_test ... ok
[INFO] [stdout] test from_unique_ord::tests::unique_ord_test ... ok
[INFO] [stdout] test from_unique_hash::tests::unique_hash_test ... ok
[INFO] [stdout] test group_hash_map::tests::group_hash_map_test ... ok
[INFO] [stdout] test last::tests::last_test ... ok
[INFO] [stdout] test last_n::tests::last_n_test ... ok
[INFO] [stdout] test max::tests::max_test ... ok
[INFO] [stdout] test min::tests::min_test ... ok
[INFO] [stdout] test mul::tests::mul_test ... ok
[INFO] [stdout] test noop::tests::noop_test ... ok
[INFO] [stdout] test product::tests::product_test ... ok
[INFO] [stdout] test sum::tests::sum_test ... ok
[INFO] [stdout] test topk::tests::top_k_test ... ok
[INFO] [stdout] test unique_btree_set::tests::unque_hash_set_test ... ok
[INFO] [stdout] test unique_hash_set::tests::unque_hash_set_test ... ok
[INFO] [stdout] test uniquify_hash::tests::uniquify_hash_test ... ok
[INFO] [stdout] test unique_index_set::tests::unque_hash_set_test ... ok
[INFO] [stdout] test uniquify_ord::tests::uniquify_hash_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests collected
[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 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9dbb69ae1a0dc7b71a83ca5aac078399c1042c08d2a9fdc93abf6d1c2f35937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9dbb69ae1a0dc7b71a83ca5aac078399c1042c08d2a9fdc93abf6d1c2f35937", kill_on_drop: false }`
[INFO] [stdout] a9dbb69ae1a0dc7b71a83ca5aac078399c1042c08d2a9fdc93abf6d1c2f35937