[INFO] cloning repository https://github.com/ryuryu-ymj/ai_modern_approach
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryuryu-ymj/ai_modern_approach" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuryu-ymj%2Fai_modern_approach", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuryu-ymj%2Fai_modern_approach'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21e7a9cd9522ae0f258f62f0f5b6c9315e4e7c66
[INFO] testing ryuryu-ymj/ai_modern_approach against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuryu-ymj%2Fai_modern_approach" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryuryu-ymj/ai_modern_approach
[INFO] finished tweaking git repo https://github.com/ryuryu-ymj/ai_modern_approach
[INFO] tweaked toml for git repo https://github.com/ryuryu-ymj/ai_modern_approach written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryuryu-ymj/ai_modern_approach on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryuryu-ymj/ai_modern_approach 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing ryuryu-ymj/ai_modern_approach against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuryu-ymj%2Fai_modern_approach" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryuryu-ymj/ai_modern_approach
[INFO] finished tweaking git repo https://github.com/ryuryu-ymj/ai_modern_approach
[INFO] tweaked toml for git repo https://github.com/ryuryu-ymj/ai_modern_approach written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryuryu-ymj/ai_modern_approach on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryuryu-ymj/ai_modern_approach 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3148ed59f3c42ac1687cd8958ffce4b925eaee333a53d274f5dabea42ef9c30f
[INFO] running `Command { std: "docker" "start" "-a" "3148ed59f3c42ac1687cd8958ffce4b925eaee333a53d274f5dabea42ef9c30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3148ed59f3c42ac1687cd8958ffce4b925eaee333a53d274f5dabea42ef9c30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3148ed59f3c42ac1687cd8958ffce4b925eaee333a53d274f5dabea42ef9c30f", kill_on_drop: false }`
[INFO] [stdout] 3148ed59f3c42ac1687cd8958ffce4b925eaee333a53d274f5dabea42ef9c30f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d3a02cec77d02b638221c75fca140b151a54e67bc6511be5512de0261e67830d
[INFO] running `Command { std: "docker" "start" "-a" "d3a02cec77d02b638221c75fca140b151a54e67bc6511be5512de0261e67830d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ai_modern_approach v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/main.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn actions(&self, s: &Self::State) -> Cow<[Self::Action]> {
[INFO] [stdout]    |                ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/search.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn actions(&self, s: &Self::State) -> Cow<[Self::Action]>;
[INFO] [stdout]    |                ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]>;
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "d3a02cec77d02b638221c75fca140b151a54e67bc6511be5512de0261e67830d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a02cec77d02b638221c75fca140b151a54e67bc6511be5512de0261e67830d", kill_on_drop: false }`
[INFO] [stdout] d3a02cec77d02b638221c75fca140b151a54e67bc6511be5512de0261e67830d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 12c4d5dd61de5429b88b78cce18a2f9a844ce8f4d10f6262b2ed624f3d671b86
[INFO] running `Command { std: "docker" "start" "-a" "12c4d5dd61de5429b88b78cce18a2f9a844ce8f4d10f6262b2ed624f3d671b86", kill_on_drop: false }`
[INFO] [stderr]    Compiling ai_modern_approach v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/main.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn actions(&self, s: &Self::State) -> Cow<[Self::Action]> {
[INFO] [stdout]    |                ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/search.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn actions(&self, s: &Self::State) -> Cow<[Self::Action]>;
[INFO] [stdout]    |                ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]>;
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/search.rs:222:20
[INFO] [stdout]     |
[INFO] [stdout] 222 |         fn actions(&self, s: &Self::State) -> Cow<[Self::Action]> {
[INFO] [stdout]     |                    ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 222 |         fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/search.rs:293:20
[INFO] [stdout]     |
[INFO] [stdout] 293 |         fn actions(&self, s: &Self::State) -> Cow<[Self::Action]> {
[INFO] [stdout]     |                    ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 293 |         fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "12c4d5dd61de5429b88b78cce18a2f9a844ce8f4d10f6262b2ed624f3d671b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c4d5dd61de5429b88b78cce18a2f9a844ce8f4d10f6262b2ed624f3d671b86", kill_on_drop: false }`
[INFO] [stdout] 12c4d5dd61de5429b88b78cce18a2f9a844ce8f4d10f6262b2ed624f3d671b86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 744e686fe89cbb7c98fdb64d994e4a6d6a6623838cfd33a4346717eb7fc9b1cb
[INFO] running `Command { std: "docker" "start" "-a" "744e686fe89cbb7c98fdb64d994e4a6d6a6623838cfd33a4346717eb7fc9b1cb", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/main.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn actions(&self, s: &Self::State) -> Cow<[Self::Action]> {
[INFO] [stderr]    |                ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                |
[INFO] [stderr]    |                this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]> {
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/search.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn actions(&self, s: &Self::State) -> Cow<[Self::Action]>;
[INFO] [stderr]    |                ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                |
[INFO] [stderr]    |                this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]>;
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/search.rs:222:20
[INFO] [stderr]     |
[INFO] [stderr] 222 |         fn actions(&self, s: &Self::State) -> Cow<[Self::Action]> {
[INFO] [stderr]     |                    ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 222 |         fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/search.rs:293:20
[INFO] [stderr]     |
[INFO] [stderr] 293 |         fn actions(&self, s: &Self::State) -> Cow<[Self::Action]> {
[INFO] [stderr]     |                    ^^^^^                      ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 293 |         fn actions(&self, s: &Self::State) -> Cow<'_, [Self::Action]> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `ai_modern_approach` (bin "ai_modern_approach" test) generated 4 warnings (run `cargo fix --bin "ai_modern_approach" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ai_modern_approach-6a658a95d117f73a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test search::test::test_uniform_cost_search ... ok
[INFO] [stdout] test search::test::test_a_star_search ... ok
[INFO] [stdout] test search::test::test_breadth_first_search ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "744e686fe89cbb7c98fdb64d994e4a6d6a6623838cfd33a4346717eb7fc9b1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744e686fe89cbb7c98fdb64d994e4a6d6a6623838cfd33a4346717eb7fc9b1cb", kill_on_drop: false }`
[INFO] [stdout] 744e686fe89cbb7c98fdb64d994e4a6d6a6623838cfd33a4346717eb7fc9b1cb