[INFO] fetching crate mcts 0.3.0...
[INFO] testing mcts-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate mcts 0.3.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate mcts 0.3.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcts 0.3.0
[INFO] finished tweaking crates.io crate mcts 0.3.0
[INFO] tweaked toml for crates.io crate mcts 0.3.0 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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 crossbeam v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62d70bada05a3aa02c77f70d1fc2556d7c79ab4ab43d62bb4ba1131b1360231f
[INFO] running `Command { std: "docker" "start" "-a" "62d70bada05a3aa02c77f70d1fc2556d7c79ab4ab43d62bb4ba1131b1360231f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62d70bada05a3aa02c77f70d1fc2556d7c79ab4ab43d62bb4ba1131b1360231f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d70bada05a3aa02c77f70d1fc2556d7c79ab4ab43d62bb4ba1131b1360231f", kill_on_drop: false }`
[INFO] [stdout] 62d70bada05a3aa02c77f70d1fc2556d7c79ab4ab43d62bb4ba1131b1360231f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 959f3d7e8b109c7cf35d5a07d70eaf803398904ef0d38c00fa9c5b1b81bc3148
[INFO] running `Command { std: "docker" "start" "-a" "959f3d7e8b109c7cf35d5a07d70eaf803398904ef0d38c00fa9c5b1b81bc3148", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling mcts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/search_tree.rs:271:38
[INFO] [stdout]     |
[INFO] [stdout] 271 |             let child = choice.child.compare_and_swap(
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/search_tree.rs:284:40
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let other_child = choice.child.compare_and_swap(
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/transposition_table.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let result = ptr.compare_and_swap(
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/transposition_table.rs:149:40
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 let key_here = entry.k.compare_and_swap(0, my_hash as FakeU64, Ordering::Relaxed);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "959f3d7e8b109c7cf35d5a07d70eaf803398904ef0d38c00fa9c5b1b81bc3148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959f3d7e8b109c7cf35d5a07d70eaf803398904ef0d38c00fa9c5b1b81bc3148", kill_on_drop: false }`
[INFO] [stdout] 959f3d7e8b109c7cf35d5a07d70eaf803398904ef0d38c00fa9c5b1b81bc3148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c54ccddcd31b0ee325b13730c2ad1cfe4fef2c83fa75f0640443ef960c2095c6
[INFO] running `Command { std: "docker" "start" "-a" "c54ccddcd31b0ee325b13730c2ad1cfe4fef2c83fa75f0640443ef960c2095c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mcts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/search_tree.rs:271:38
[INFO] [stdout]     |
[INFO] [stdout] 271 |             let child = choice.child.compare_and_swap(
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/search_tree.rs:284:40
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let other_child = choice.child.compare_and_swap(
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/transposition_table.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let result = ptr.compare_and_swap(
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/transposition_table.rs:149:40
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 let key_here = entry.k.compare_and_swap(0, my_hash as FakeU64, Ordering::Relaxed);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/search_tree.rs:271:38
[INFO] [stdout]     |
[INFO] [stdout] 271 |             let child = choice.child.compare_and_swap(
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/search_tree.rs:284:40
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let other_child = choice.child.compare_and_swap(
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/transposition_table.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let result = ptr.compare_and_swap(
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/transposition_table.rs:149:40
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 let key_here = entry.k.compare_and_swap(0, my_hash as FakeU64, Ordering::Relaxed);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "c54ccddcd31b0ee325b13730c2ad1cfe4fef2c83fa75f0640443ef960c2095c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54ccddcd31b0ee325b13730c2ad1cfe4fef2c83fa75f0640443ef960c2095c6", kill_on_drop: false }`
[INFO] [stdout] c54ccddcd31b0ee325b13730c2ad1cfe4fef2c83fa75f0640443ef960c2095c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0119c92ea4fe3eb387a50a56e95eadc1145ed82066e2bbeafd1e62c656e74fb2
[INFO] running `Command { std: "docker" "start" "-a" "0119c92ea4fe3eb387a50a56e95eadc1145ed82066e2bbeafd1e62c656e74fb2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/search_tree.rs:271:38
[INFO] [stderr]     |
[INFO] [stderr] 271 |             let child = choice.child.compare_and_swap(
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/search_tree.rs:284:40
[INFO] [stderr]     |
[INFO] [stderr] 284 |         let other_child = choice.child.compare_and_swap(
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/transposition_table.rs:108:22
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let result = ptr.compare_and_swap(
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/transposition_table.rs:149:40
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 let key_here = entry.k.compare_and_swap(0, my_hash as FakeU64, Ordering::Relaxed);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mcts` (lib) generated 4 warnings
[INFO] [stderr] warning: `mcts` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcts-6b85e2edccedd4ff)
[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]    Doc-tests mcts
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0119c92ea4fe3eb387a50a56e95eadc1145ed82066e2bbeafd1e62c656e74fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0119c92ea4fe3eb387a50a56e95eadc1145ed82066e2bbeafd1e62c656e74fb2", kill_on_drop: false }`
[INFO] [stdout] 0119c92ea4fe3eb387a50a56e95eadc1145ed82066e2bbeafd1e62c656e74fb2