[INFO] cloning repository https://github.com/saukymo/wordle-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saukymo/wordle-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaukymo%2Fwordle-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaukymo%2Fwordle-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 670582019ebe576c52ac8a3e13e64f8875288bf6
[INFO] testing saukymo/wordle-rs against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaukymo%2Fwordle-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/saukymo/wordle-rs
[INFO] finished tweaking git repo https://github.com/saukymo/wordle-rs
[INFO] tweaked toml for git repo https://github.com/saukymo/wordle-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saukymo/wordle-rs on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/saukymo/wordle-rs 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6937888e3c156daefe5cc5b6bf7719bbc09b98ae27267eee659048ee04b9ff2
[INFO] running `Command { std: "docker" "start" "-a" "a6937888e3c156daefe5cc5b6bf7719bbc09b98ae27267eee659048ee04b9ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6937888e3c156daefe5cc5b6bf7719bbc09b98ae27267eee659048ee04b9ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6937888e3c156daefe5cc5b6bf7719bbc09b98ae27267eee659048ee04b9ff2", kill_on_drop: false }`
[INFO] [stdout] a6937888e3c156daefe5cc5b6bf7719bbc09b98ae27267eee659048ee04b9ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ee76448a3ff706d0ce33de02695f7e8672bafefbdf04f312138ed2fc8cebdd9
[INFO] running `Command { std: "docker" "start" "-a" "3ee76448a3ff706d0ce33de02695f7e8672bafefbdf04f312138ed2fc8cebdd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling wordle-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `basic_dfs` is never used
[INFO] [stdout]    --> src/dfs.rs:238:4
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn basic_dfs<'a>(current: u8, answers: &BTreeSet<&'a str>, availables: &BTreeSet<&'a str>) -> Best<'a> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]  --> src/utils.rs:9:77
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (*groups.entry(pattern).or_insert_with(BTreeSet::new)).insert(answer.clone());
[INFO] [stdout]   |                                                                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.65s
[INFO] running `Command { std: "docker" "inspect" "3ee76448a3ff706d0ce33de02695f7e8672bafefbdf04f312138ed2fc8cebdd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee76448a3ff706d0ce33de02695f7e8672bafefbdf04f312138ed2fc8cebdd9", kill_on_drop: false }`
[INFO] [stdout] 3ee76448a3ff706d0ce33de02695f7e8672bafefbdf04f312138ed2fc8cebdd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d73e2015aeaa054ae7e82187d8449562c7be0780349f06dfc0de57b1bf8e4af1
[INFO] running `Command { std: "docker" "start" "-a" "d73e2015aeaa054ae7e82187d8449562c7be0780349f06dfc0de57b1bf8e4af1", kill_on_drop: false }`
[INFO] [stderr]    Compiling wordle-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `basic_dfs` is never used
[INFO] [stdout]    --> src/dfs.rs:238:4
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn basic_dfs<'a>(current: u8, answers: &BTreeSet<&'a str>, availables: &BTreeSet<&'a str>) -> Best<'a> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]  --> src/utils.rs:9:77
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (*groups.entry(pattern).or_insert_with(BTreeSet::new)).insert(answer.clone());
[INFO] [stdout]   |                                                                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "d73e2015aeaa054ae7e82187d8449562c7be0780349f06dfc0de57b1bf8e4af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73e2015aeaa054ae7e82187d8449562c7be0780349f06dfc0de57b1bf8e4af1", kill_on_drop: false }`
[INFO] [stdout] d73e2015aeaa054ae7e82187d8449562c7be0780349f06dfc0de57b1bf8e4af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa2e037771b2365a93d205b69179de9f93be99ba597354253bac49c9b37999a2
[INFO] running `Command { std: "docker" "start" "-a" "aa2e037771b2365a93d205b69179de9f93be99ba597354253bac49c9b37999a2", kill_on_drop: false }`
[INFO] [stderr] warning: function `basic_dfs` is never used
[INFO] [stderr]    --> src/dfs.rs:238:4
[INFO] [stderr]     |
[INFO] [stderr] 238 | fn basic_dfs<'a>(current: u8, answers: &BTreeSet<&'a str>, availables: &BTreeSet<&'a str>) -> Best<'a> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stderr]  --> src/utils.rs:9:77
[INFO] [stderr]   |
[INFO] [stderr] 9 |         (*groups.entry(pattern).or_insert_with(BTreeSet::new)).insert(answer.clone());
[INFO] [stderr]   |                                                                             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `wordle-rs` (bin "wordle-rs" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wordle_rs-806cf42752df4936)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_a_few_search_with_cache ... ok
[INFO] [stdout] test tests::test_a_few_search_with_baseline_wrapper ... ok
[INFO] [stdout] test tests::test_check ... ok
[INFO] [stdout] test tests::test_a_few_search_without_cache ... ok
[INFO] [stdout] test tests::test_decision_tree ... ok
[INFO] [stdout] test tests::test_filter_guesses ... ok
[INFO] [stdout] test tests::test_get_entropy ... ok
[INFO] [stdout] test tests::test_a_few_search_with_starter ... ok
[INFO] [stdout] test tests::test_group_by_pattern ... ok
[INFO] [stdout] test tests::test_if_success ... ok
[INFO] [stdout] test tests::test_a_few_search_with_parallel_wrapper ... ok
[INFO] [stdout] test tests::test_lower_bound_level ... ok
[INFO] [stdout] test tests::test_single_search ... ok
[INFO] [stdout] test tests::test_restriction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa2e037771b2365a93d205b69179de9f93be99ba597354253bac49c9b37999a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2e037771b2365a93d205b69179de9f93be99ba597354253bac49c9b37999a2", kill_on_drop: false }`
[INFO] [stdout] aa2e037771b2365a93d205b69179de9f93be99ba597354253bac49c9b37999a2
