[INFO] fetching crate arboriter-mcts 0.3.0...
[INFO] checking arboriter-mcts-0.3.0 against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] extracting crate arboriter-mcts 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate arboriter-mcts 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arboriter-mcts 0.3.0
[INFO] tweaked toml for crates.io crate arboriter-mcts 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arboriter-mcts 0.3.0 on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arboriter-mcts 0.3.0 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking arboriter-mcts-0.3.0 against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] extracting crate arboriter-mcts 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate arboriter-mcts 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arboriter-mcts 0.3.0
[INFO] tweaked toml for crates.io crate arboriter-mcts 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arboriter-mcts 0.3.0 on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arboriter-mcts 0.3.0 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.5.0
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded arboriter v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 393d5c1f7d824c733f2013a7e6739b9ecf14b8c2c38b023a401aa8ac29332717
[INFO] running `Command { std: "docker" "start" "-a" "393d5c1f7d824c733f2013a7e6739b9ecf14b8c2c38b023a401aa8ac29332717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "393d5c1f7d824c733f2013a7e6739b9ecf14b8c2c38b023a401aa8ac29332717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393d5c1f7d824c733f2013a7e6739b9ecf14b8c2c38b023a401aa8ac29332717", kill_on_drop: false }`
[INFO] [stdout] 393d5c1f7d824c733f2013a7e6739b9ecf14b8c2c38b023a401aa8ac29332717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd8b4a5274f85b5941a63abaf9434a74bd53b7f153d3f24fa83f4e3863f1bb8
[INFO] running `Command { std: "docker" "start" "-a" "abd8b4a5274f85b5941a63abaf9434a74bd53b7f153d3f24fa83f4e3863f1bb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking arboriter v0.1.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking arboriter-mcts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/selection_policy_tests.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut node_with_priors = create_test_node_for_policy();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `action`
[INFO] [stdout]   --> tests/visualization_tests.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn apply_action(&self, action: &Self::Action) -> Self {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.44s
[INFO] running `Command { std: "docker" "inspect" "abd8b4a5274f85b5941a63abaf9434a74bd53b7f153d3f24fa83f4e3863f1bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd8b4a5274f85b5941a63abaf9434a74bd53b7f153d3f24fa83f4e3863f1bb8", kill_on_drop: false }`
[INFO] [stdout] abd8b4a5274f85b5941a63abaf9434a74bd53b7f153d3f24fa83f4e3863f1bb8