[INFO] fetching crate mcts 0.3.0...
[INFO] testing mcts-0.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mcts 0.3.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate mcts 0.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7a1c448bdf705c0ec047795ca6c2595b7590a574ea3bd2ebd7f1eab9df51677
[INFO] running `Command { std: "docker" "start" "-a" "e7a1c448bdf705c0ec047795ca6c2595b7590a574ea3bd2ebd7f1eab9df51677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7a1c448bdf705c0ec047795ca6c2595b7590a574ea3bd2ebd7f1eab9df51677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a1c448bdf705c0ec047795ca6c2595b7590a574ea3bd2ebd7f1eab9df51677", kill_on_drop: false }`
[INFO] [stdout] e7a1c448bdf705c0ec047795ca6c2595b7590a574ea3bd2ebd7f1eab9df51677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b068df6cbdc830d85c950c8cb4feb2216fcde0d2d6c46f61c5a7dee9f2af5d84
[INFO] running `Command { std: "docker" "start" "-a" "b068df6cbdc830d85c950c8cb4feb2216fcde0d2d6c46f61c5a7dee9f2af5d84", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.15s
[INFO] running `Command { std: "docker" "inspect" "b068df6cbdc830d85c950c8cb4feb2216fcde0d2d6c46f61c5a7dee9f2af5d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b068df6cbdc830d85c950c8cb4feb2216fcde0d2d6c46f61c5a7dee9f2af5d84", kill_on_drop: false }`
[INFO] [stdout] b068df6cbdc830d85c950c8cb4feb2216fcde0d2d6c46f61c5a7dee9f2af5d84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 342f8615b96bab12c437261719f424b1e2c1afdeb35a741d650830eda25d2ed6
[INFO] running `Command { std: "docker" "start" "-a" "342f8615b96bab12c437261719f424b1e2c1afdeb35a741d650830eda25d2ed6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    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 test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "342f8615b96bab12c437261719f424b1e2c1afdeb35a741d650830eda25d2ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342f8615b96bab12c437261719f424b1e2c1afdeb35a741d650830eda25d2ed6", kill_on_drop: false }`
[INFO] [stdout] 342f8615b96bab12c437261719f424b1e2c1afdeb35a741d650830eda25d2ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e7e70260212e72deb61cc60ef0124bd352a882f5d09c5b791facd2fbcdfa326
[INFO] running `Command { std: "docker" "start" "-a" "9e7e70260212e72deb61cc60ef0124bd352a882f5d09c5b791facd2fbcdfa326", 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: 4 warnings emitted
[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: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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcts-fb2ea9abb1f2d71e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcts
[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] [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 2.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e7e70260212e72deb61cc60ef0124bd352a882f5d09c5b791facd2fbcdfa326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7e70260212e72deb61cc60ef0124bd352a882f5d09c5b791facd2fbcdfa326", kill_on_drop: false }`
[INFO] [stdout] 9e7e70260212e72deb61cc60ef0124bd352a882f5d09c5b791facd2fbcdfa326
