[INFO] fetching crate matchertools 0.1.1...
[INFO] testing matchertools-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate matchertools 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate matchertools 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matchertools 0.1.1
[INFO] finished tweaking crates.io crate matchertools 0.1.1
[INFO] tweaked toml for crates.io crate matchertools 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4842f959c2a7b7dc5e1d3f3159dbd091a708adce93e87e8d444996d78e973178
[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" "4842f959c2a7b7dc5e1d3f3159dbd091a708adce93e87e8d444996d78e973178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4842f959c2a7b7dc5e1d3f3159dbd091a708adce93e87e8d444996d78e973178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4842f959c2a7b7dc5e1d3f3159dbd091a708adce93e87e8d444996d78e973178", kill_on_drop: false }`
[INFO] [stdout] 4842f959c2a7b7dc5e1d3f3159dbd091a708adce93e87e8d444996d78e973178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b539e41d00bb6b463428795e7fced103370bdfcc41b34e0cc4423380b2d33e61
[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" "b539e41d00bb6b463428795e7fced103370bdfcc41b34e0cc4423380b2d33e61", kill_on_drop: false }`
[INFO] [stderr]    Compiling matchertools v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     /// You better go read the algorithm on wikipedia: https://en.wikipedia.org/wiki/Stable_marriage_problem
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     let mut men_preferences = men_preferences.clone();
[INFO] [stdout]     |     -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 | /     /// Tentatively accepts proposals. The rejections are permanent. The `engaged_man_woman` HashMap represents an unstable engagement. It sudde...
[INFO] [stdout] 193 | |     /// becomes 'stable' (go read about gale-shapley to understand what stable means) in the final round, when everyone is engaged to someone
[INFO] [stdout]     | |_____________________________________________________________________________________________________________________________________________^
[INFO] [stdout] 194 | /     for (woman, interested_men) in proposals {
[INFO] [stdout] 195 | |         let best_interested_man =
[INFO] [stdout] 196 | |             get_best_man_from_men_interested_in_a_woman(woman, women_preferences, &interested_men);
[INFO] [stdout] 197 | |         let man_currently_engaged_to = get_currently_engaged_man(&engaged_man_woman, &woman);
[INFO] [stdout] ...   |
[INFO] [stdout] 218 | |         }
[INFO] [stdout] 219 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |       /// Returns the man a woman is currently engaged to
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 265 | /     for (man, engaged_woman) in engaged_man_woman {
[INFO] [stdout] 266 | |         if *engaged_woman == *woman {
[INFO] [stdout] 267 | |             return Some(*man);
[INFO] [stdout] 268 | |         }
[INFO] [stdout] 269 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "b539e41d00bb6b463428795e7fced103370bdfcc41b34e0cc4423380b2d33e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b539e41d00bb6b463428795e7fced103370bdfcc41b34e0cc4423380b2d33e61", kill_on_drop: false }`
[INFO] [stdout] b539e41d00bb6b463428795e7fced103370bdfcc41b34e0cc4423380b2d33e61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6de0390d649f17df4b646822313f7f3a47764b783f1808edebf95743d9210ebe
[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" "6de0390d649f17df4b646822313f7f3a47764b783f1808edebf95743d9210ebe", kill_on_drop: false }`
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     /// You better go read the algorithm on wikipedia: https://en.wikipedia.org/wiki/Stable_marriage_problem
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     let mut men_preferences = men_preferences.clone();
[INFO] [stdout]     |     -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 | /     /// Tentatively accepts proposals. The rejections are permanent. The `engaged_man_woman` HashMap represents an unstable engagement. It sudde...
[INFO] [stdout] 193 | |     /// becomes 'stable' (go read about gale-shapley to understand what stable means) in the final round, when everyone is engaged to someone
[INFO] [stdout]     | |_____________________________________________________________________________________________________________________________________________^
[INFO] [stdout] 194 | /     for (woman, interested_men) in proposals {
[INFO] [stdout] 195 | |         let best_interested_man =
[INFO] [stdout] 196 | |             get_best_man_from_men_interested_in_a_woman(woman, women_preferences, &interested_men);
[INFO] [stdout] 197 | |         let man_currently_engaged_to = get_currently_engaged_man(&engaged_man_woman, &woman);
[INFO] [stdout] ...   |
[INFO] [stdout] 218 | |         }
[INFO] [stdout] 219 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |       /// Returns the man a woman is currently engaged to
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 265 | /     for (man, engaged_woman) in engaged_man_woman {
[INFO] [stdout] 266 | |         if *engaged_woman == *woman {
[INFO] [stdout] 267 | |             return Some(*man);
[INFO] [stdout] 268 | |         }
[INFO] [stdout] 269 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling matchertools v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     /// You better go read the algorithm on wikipedia: https://en.wikipedia.org/wiki/Stable_marriage_problem
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     let mut men_preferences = men_preferences.clone();
[INFO] [stdout]     |     -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 | /     /// Tentatively accepts proposals. The rejections are permanent. The `engaged_man_woman` HashMap represents an unstable engagement. It sudde...
[INFO] [stdout] 193 | |     /// becomes 'stable' (go read about gale-shapley to understand what stable means) in the final round, when everyone is engaged to someone
[INFO] [stdout]     | |_____________________________________________________________________________________________________________________________________________^
[INFO] [stdout] 194 | /     for (woman, interested_men) in proposals {
[INFO] [stdout] 195 | |         let best_interested_man =
[INFO] [stdout] 196 | |             get_best_man_from_men_interested_in_a_woman(woman, women_preferences, &interested_men);
[INFO] [stdout] 197 | |         let man_currently_engaged_to = get_currently_engaged_man(&engaged_man_woman, &woman);
[INFO] [stdout] ...   |
[INFO] [stdout] 218 | |         }
[INFO] [stdout] 219 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |       /// Returns the man a woman is currently engaged to
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 265 | /     for (man, engaged_woman) in engaged_man_woman {
[INFO] [stdout] 266 | |         if *engaged_woman == *woman {
[INFO] [stdout] 267 | |             return Some(*man);
[INFO] [stdout] 268 | |         }
[INFO] [stdout] 269 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "6de0390d649f17df4b646822313f7f3a47764b783f1808edebf95743d9210ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de0390d649f17df4b646822313f7f3a47764b783f1808edebf95743d9210ebe", kill_on_drop: false }`
[INFO] [stdout] 6de0390d649f17df4b646822313f7f3a47764b783f1808edebf95743d9210ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 729cbad0f537e5dfed51ba9e128763ab151f579f4022b224ff0354bdbb3e6559
[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" "729cbad0f537e5dfed51ba9e128763ab151f579f4022b224ff0354bdbb3e6559", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     /// You better go read the algorithm on wikipedia: https://en.wikipedia.org/wiki/Stable_marriage_problem
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 116 |     let mut men_preferences = men_preferences.clone();
[INFO] [stderr]     |     -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 | /     /// Tentatively accepts proposals. The rejections are permanent. The `engaged_man_woman` HashMap represents an unstable engagement. It sudde...
[INFO] [stderr] 193 | |     /// becomes 'stable' (go read about gale-shapley to understand what stable means) in the final round, when everyone is engaged to someone
[INFO] [stderr]     | |_____________________________________________________________________________________________________________________________________________^
[INFO] [stderr] 194 | /     for (woman, interested_men) in proposals {
[INFO] [stderr] 195 | |         let best_interested_man =
[INFO] [stderr] 196 | |             get_best_man_from_men_interested_in_a_woman(woman, women_preferences, &interested_men);
[INFO] [stderr] 197 | |         let man_currently_engaged_to = get_currently_engaged_man(&engaged_man_woman, &woman);
[INFO] [stderr] ...   |
[INFO] [stderr] 218 | |         }
[INFO] [stderr] 219 | |     }
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |       /// Returns the man a woman is currently engaged to
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 265 | /     for (man, engaged_woman) in engaged_man_woman {
[INFO] [stderr] 266 | |         if *engaged_woman == *woman {
[INFO] [stderr] 267 | |             return Some(*man);
[INFO] [stderr] 268 | |         }
[INFO] [stderr] 269 | |     }
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     /// You better go read the algorithm on wikipedia: https://en.wikipedia.org/wiki/Stable_marriage_problem
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 116 |     let mut men_preferences = men_preferences.clone();
[INFO] [stderr]     |     -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 | /     /// Tentatively accepts proposals. The rejections are permanent. The `engaged_man_woman` HashMap represents an unstable engagement. It sudde...
[INFO] [stderr] 193 | |     /// becomes 'stable' (go read about gale-shapley to understand what stable means) in the final round, when everyone is engaged to someone
[INFO] [stderr]     | |_____________________________________________________________________________________________________________________________________________^
[INFO] [stderr] 194 | /     for (woman, interested_men) in proposals {
[INFO] [stderr] 195 | |         let best_interested_man =
[INFO] [stderr] 196 | |             get_best_man_from_men_interested_in_a_woman(woman, women_preferences, &interested_men);
[INFO] [stderr] 197 | |         let man_currently_engaged_to = get_currently_engaged_man(&engaged_man_woman, &woman);
[INFO] [stderr] ...   |
[INFO] [stderr] 218 | |         }
[INFO] [stderr] 219 | |     }
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |       /// Returns the man a woman is currently engaged to
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 265 | /     for (man, engaged_woman) in engaged_man_woman {
[INFO] [stderr] 266 | |         if *engaged_woman == *woman {
[INFO] [stderr] 267 | |             return Some(*man);
[INFO] [stderr] 268 | |         }
[INFO] [stderr] 269 | |     }
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matchertools-7dbe274b1422b625)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_create_proposals_base_case ... ok
[INFO] [stdout] test tests::test_create_proposals_base_case_with_better_preferences ... ok
[INFO] [stdout] test tests::test_accept_or_reject_proposals ... ok
[INFO] [stdout] test tests::test_get_best_man_from_interested_men ... ok
[INFO] [stdout] test tests::test_get_currently_engaged_man ... ok
[INFO] [stdout] test tests::test_get_rank ... ok
[INFO] [stdout] test tests::test_make_engagement ... ok
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-1740107e07cbbebc)
[INFO] [stdout] test tests::test_get_unengaged_men ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matchertools
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_simple_case_string ... ok
[INFO] [stdout] test test_simple_case ... ok
[INFO] [stdout] test test_simple_case_string_2 ... ok
[INFO] [stdout] test test_moderate_case ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - gale_shapley (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "729cbad0f537e5dfed51ba9e128763ab151f579f4022b224ff0354bdbb3e6559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729cbad0f537e5dfed51ba9e128763ab151f579f4022b224ff0354bdbb3e6559", kill_on_drop: false }`
[INFO] [stdout] 729cbad0f537e5dfed51ba9e128763ab151f579f4022b224ff0354bdbb3e6559
