[INFO] fetching crate sliding_tree 0.2.0...
[INFO] testing sliding_tree-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate sliding_tree 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sliding_tree 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sliding_tree 0.2.0
[INFO] tweaked toml for crates.io crate sliding_tree 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sliding_tree 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_pcg v0.3.1 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51c1da4ed205bb24b518a6b95649c8c6c01224a4ad602a14f1745adf75fc265b
[INFO] running `Command { std: "docker" "start" "-a" "51c1da4ed205bb24b518a6b95649c8c6c01224a4ad602a14f1745adf75fc265b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c1da4ed205bb24b518a6b95649c8c6c01224a4ad602a14f1745adf75fc265b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c1da4ed205bb24b518a6b95649c8c6c01224a4ad602a14f1745adf75fc265b", kill_on_drop: false }`
[INFO] [stdout] 51c1da4ed205bb24b518a6b95649c8c6c01224a4ad602a14f1745adf75fc265b
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78a0fbefbc1a53008533f886bde20f7aa77aa7e5bb277a226473b0eff890c00f
[INFO] running `Command { std: "docker" "start" "-a" "78a0fbefbc1a53008533f886bde20f7aa77aa7e5bb277a226473b0eff890c00f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sliding_tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "78a0fbefbc1a53008533f886bde20f7aa77aa7e5bb277a226473b0eff890c00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a0fbefbc1a53008533f886bde20f7aa77aa7e5bb277a226473b0eff890c00f", kill_on_drop: false }`
[INFO] [stdout] 78a0fbefbc1a53008533f886bde20f7aa77aa7e5bb277a226473b0eff890c00f
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917263eacd9aaf106e91e8b03c252db00ddae4dba45d0c1850c586950200afe1
[INFO] running `Command { std: "docker" "start" "-a" "917263eacd9aaf106e91e8b03c252db00ddae4dba45d0c1850c586950200afe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling enumoid_derive v0.4.0
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling enumoid v0.4.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling sliding_tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.51s
[INFO] running `Command { std: "docker" "inspect" "917263eacd9aaf106e91e8b03c252db00ddae4dba45d0c1850c586950200afe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917263eacd9aaf106e91e8b03c252db00ddae4dba45d0c1850c586950200afe1", kill_on_drop: false }`
[INFO] [stdout] 917263eacd9aaf106e91e8b03c252db00ddae4dba45d0c1850c586950200afe1
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15af5dfed57373d3ffc891f3afe3e381226ba1649775a80867aba34adfd2b48a
[INFO] running `Command { std: "docker" "start" "-a" "15af5dfed57373d3ffc891f3afe3e381226ba1649775a80867aba34adfd2b48a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sliding_tree-ab77196a6c26eecb)
[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 tests/buffers.rs (/opt/rustwide/target/debug/deps/buffers-b4efd8157eda2f38)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_capacity ... ok
[INFO] [stdout] test test_recursive_allocation ... ok
[INFO] [stdout] test test_sliding_buffers ... ok
[INFO] [stdout] test test_preallocate ... ok
[INFO] [stdout] test test_assert_can_reference_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mcts.rs (/opt/rustwide/target/debug/deps/mcts-bc2c9a2fe3cebf53)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_nim_state ... ok
[INFO] [stdout] test tests::test_first_player_wins_take_last ... ok
[INFO] [stdout] test tests::test_first_player_wins_not_take_last ... ok
[INFO] [stdout] test tests::test_second_player_wins_take_last ... ok
[INFO] [stdout] test tests::test_second_player_wins_not_take_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.60s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree.rs (/opt/rustwide/target/debug/deps/tree-55e47efd39f82322)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test test_grow_capacity_10_and_trim ... ok
[INFO] [stdout] test test_capacity_too_small ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_follow_last_child ... ok
[INFO] [stdout] test test_grow_capacity_49_with_hint ... ok
[INFO] [stdout] test test_grow_capacity_100 ... ok
[INFO] [stdout] test test_root_data ... ok
[INFO] [stdout] test test_node_data ... ok
[INFO] [stdout] test test_grow_capacity_49_without_hint ... ok
[INFO] [stdout] test test_subtree_no_overflow ... ok
[INFO] [stdout] test test_subtree_overflow_without_hint ... ok
[INFO] [stdout] test test_subtree_overflow_with_hint ... ok
[INFO] [stdout] test test_follow_first_child ... ok
[INFO] [stdout] test test_two_subtrees ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sliding_tree
[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] running `Command { std: "docker" "inspect" "15af5dfed57373d3ffc891f3afe3e381226ba1649775a80867aba34adfd2b48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15af5dfed57373d3ffc891f3afe3e381226ba1649775a80867aba34adfd2b48a", kill_on_drop: false }`
[INFO] [stdout] 15af5dfed57373d3ffc891f3afe3e381226ba1649775a80867aba34adfd2b48a