[INFO] cloning repository https://github.com/deepgreenAN/programmig-contest-challenge-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deepgreenAN/programmig-contest-challenge-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeepgreenAN%2Fprogrammig-contest-challenge-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeepgreenAN%2Fprogrammig-contest-challenge-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff4f3b15b257f95afc22f29bc92edabb97eac64e
[INFO] testing deepgreenAN/programmig-contest-challenge-book against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeepgreenAN%2Fprogrammig-contest-challenge-book" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deepgreenAN/programmig-contest-challenge-book on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deepgreenAN/programmig-contest-challenge-book
[INFO] finished tweaking git repo https://github.com/deepgreenAN/programmig-contest-challenge-book
[INFO] tweaked toml for git repo https://github.com/deepgreenAN/programmig-contest-challenge-book written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/deepgreenAN/programmig-contest-challenge-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84cf972b82d398d7d082098bca1f0fe7ef64a8921966d2a76a7cb694107c2e72
[INFO] running `Command { std: "docker" "start" "-a" "84cf972b82d398d7d082098bca1f0fe7ef64a8921966d2a76a7cb694107c2e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84cf972b82d398d7d082098bca1f0fe7ef64a8921966d2a76a7cb694107c2e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84cf972b82d398d7d082098bca1f0fe7ef64a8921966d2a76a7cb694107c2e72", kill_on_drop: false }`
[INFO] [stdout] 84cf972b82d398d7d082098bca1f0fe7ef64a8921966d2a76a7cb694107c2e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fefea4c01b3cb1c49a5ec332610ffcec9294b3f49fdf05e6e52682034d79a57
[INFO] running `Command { std: "docker" "start" "-a" "2fefea4c01b3cb1c49a5ec332610ffcec9294b3f49fdf05e6e52682034d79a57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling darling_core v0.20.1
[INFO] [stderr]    Compiling darling_macro v0.20.1
[INFO] [stderr]    Compiling darling v0.20.1
[INFO] [stderr]    Compiling challenge_book_macros v0.1.0 (/opt/rustwide/workdir/challenge_book_macros)
[INFO] [stderr]    Compiling challenge_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `Command { std: "docker" "inspect" "2fefea4c01b3cb1c49a5ec332610ffcec9294b3f49fdf05e6e52682034d79a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fefea4c01b3cb1c49a5ec332610ffcec9294b3f49fdf05e6e52682034d79a57", kill_on_drop: false }`
[INFO] [stdout] 2fefea4c01b3cb1c49a5ec332610ffcec9294b3f49fdf05e6e52682034d79a57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8731ff641d2657f89216131b82633349730bbeb6c5bb5a0e8ad517f89bef54f
[INFO] running `Command { std: "docker" "start" "-a" "f8731ff641d2657f89216131b82633349730bbeb6c5bb5a0e8ad517f89bef54f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling challenge_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "f8731ff641d2657f89216131b82633349730bbeb6c5bb5a0e8ad517f89bef54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8731ff641d2657f89216131b82633349730bbeb6c5bb5a0e8ad517f89bef54f", kill_on_drop: false }`
[INFO] [stdout] f8731ff641d2657f89216131b82633349730bbeb6c5bb5a0e8ad517f89bef54f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75e1b3844ec384e9a6067a9b3582d90c210bf93018988e56c82fc5b8350da163
[INFO] running `Command { std: "docker" "start" "-a" "75e1b3844ec384e9a6067a9b3582d90c210bf93018988e56c82fc5b8350da163", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/challenge_book-dfc6fa2b9b80ea37)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test iterator_ext::multi_peakable::test::test_multi_peak ... ok
[INFO] [stdout] test readers::test::test_read_2d_board ... ok
[INFO] [stdout] test utils::cmp::test::test_max ... ok
[INFO] [stdout] test utils::cmp::test::test_min ... ok
[INFO] [stdout] test utils::combination::test::test_combination_2d ... ok
[INFO] [stdout] test utils::funcs::test::test_binary_search ... ok
[INFO] [stdout] test utils::funcs::test::test_lower_bound ... ok
[INFO] [stdout] test utils::macros::test::test_hash_map ... ok
[INFO] [stdout] test utils::macros::test::test_max ... ok
[INFO] [stdout] test utils::macros::test::test_min ... ok
[INFO] [stdout] test utils::neighbor::test::test_eight_neibors ... ok
[INFO] [stdout] test utils::neighbor::test::tet_four_neighbors ... ok
[INFO] [stdout] test vec_ext::ord_vec_ext::test::test_binary_search ... ok
[INFO] [stdout] test vec_ext::pord_vec_ext::test::test_max ... ok
[INFO] [stdout] test vec_ext::pord_vec_ext::test::test_min ... ok
[INFO] [stdout] test vec_ext::pord_vec_ext::test::test_sort ... ok
[INFO] [stdout] test vec_ext::vec_ext::test::test_lower_bound ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/1_1_1_lottery_full_search.rs (/opt/rustwide/target/debug/deps/1_1_1_lottery_full_search-f67b61a1a1c68a85)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/1_6_1_triangle.rs (/opt/rustwide/target/debug/deps/1_6_1_triangle-85d24fa1db8ef1cf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/1_6_2_ants.rs (/opt/rustwide/target/debug/deps/1_6_2_ants-09ad4a3a56539680)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/1_6_3_lottery_bin_search_memorize.rs (/opt/rustwide/target/debug/deps/1_6_3_lottery_bin_search_memorize-e117401f852a9e55)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_1_1_partial_sum_dfs.rs (/opt/rustwide/target/debug/deps/2_1_1_partial_sum_dfs-95fbce57cc866f9c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_1_2_lake_counting_dfs.rs (/opt/rustwide/target/debug/deps/2_1_2_lake_counting_dfs-1f74a4c6c484ba2e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_1_3_maze_shortest_path_bfs.rs (/opt/rustwide/target/debug/deps/2_1_3_maze_shortest_path_bfs-ba9e8f9a7668f219)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_2_1_coin_greedy.rs (/opt/rustwide/target/debug/deps/2_2_1_coin_greedy-afdce20d3c2c0ae8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_2_2_section_scheduling_greedy.rs (/opt/rustwide/target/debug/deps/2_2_2_section_scheduling_greedy-243f2ab98399c11e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_2_3_best_cow_line_greedy.rs (/opt/rustwide/target/debug/deps/2_2_3_best_cow_line_greedy-0a547a1a5779f2fc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_2_4_sarumans_army_greedy.rs (/opt/rustwide/target/debug/deps/2_2_4_sarumans_army_greedy-72f7c0bb15353cf0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_2_5_fence_repaier_greedy.rs (/opt/rustwide/target/debug/deps/2_2_5_fence_repaier_greedy-aed8b1939bf33699)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_3_1_knapsack_recur_memo.rs (/opt/rustwide/target/debug/deps/2_3_1_knapsack_recur_memo-7f57b8db1f67d44f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_3_2_knapsack_dp_table.rs (/opt/rustwide/target/debug/deps/2_3_2_knapsack_dp_table-f59ad3c94f7dc28f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2_3_3_longest_common_subsequence_dp.rs (/opt/rustwide/target/debug/deps/2_3_3_longest_common_subsequence_dp-124d951049562259)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests challenge_book
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/utils/funcs.rs - utils::funcs::ch_max (line 78) ... FAILED
[INFO] [stdout] test src/iterator_ext.rs - iterator_ext::IteratorExt::multi_peek (line 7) ... FAILED
[INFO] [stdout] test src/utils/funcs.rs - utils::funcs::ch_min (line 59) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/utils/funcs.rs - utils::funcs::ch_max (line 78) stdout ----
[INFO] [stdout] error: expected expression, found `,`
[INFO] [stdout]   --> src/utils/funcs.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | ch_max(&mut, z);
[INFO] [stdout]    |            ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/iterator_ext.rs - iterator_ext::IteratorExt::multi_peek (line 7) stdout ----
[INFO] [stdout] error: cannot find macro `approx_eq` in this scope
[INFO] [stdout]   --> src/iterator_ext.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | assert!(approx_eq!(&[f32], &moving_average, &[2.5, 3.5, 4.5, 5.5]));
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 2  + use float_cmp::approx_eq;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `multi_peak` in this scope
[INFO] [stdout]   --> src/iterator_ext.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let item = multi_peak.next()?;
[INFO] [stdout]    |                    ^^^^^^^^^^ help: a local variable with a similar name exists: `multi_peek`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `multi_peak` in this scope
[INFO] [stdout]   --> src/iterator_ext.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 + *multi_peak.multi_peak(0)?
[INFO] [stdout]    |                    ^^^^^^^^^^ help: a local variable with a similar name exists: `multi_peek`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `multi_peak` in this scope
[INFO] [stdout]   --> src/iterator_ext.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 + *multi_peak.multi_peak(1)?
[INFO] [stdout]    |                    ^^^^^^^^^^ help: a local variable with a similar name exists: `multi_peek`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `multi_peak` in this scope
[INFO] [stdout]   --> src/iterator_ext.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 + *multi_peak.multi_peak(2)?) as f32
[INFO] [stdout]    |                    ^^^^^^^^^^ help: a local variable with a similar name exists: `multi_peek`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/iterator_ext.rs - iterator_ext::IteratorExt::multi_peek (line 7)
[INFO] [stdout]     src/utils/funcs.rs - utils::funcs::ch_max (line 78)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "75e1b3844ec384e9a6067a9b3582d90c210bf93018988e56c82fc5b8350da163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e1b3844ec384e9a6067a9b3582d90c210bf93018988e56c82fc5b8350da163", kill_on_drop: false }`
[INFO] [stdout] 75e1b3844ec384e9a6067a9b3582d90c210bf93018988e56c82fc5b8350da163
