[INFO] cloning repository https://github.com/krischal111/python-tic-tac-toe-mcts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krischal111/python-tic-tac-toe-mcts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrischal111%2Fpython-tic-tac-toe-mcts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrischal111%2Fpython-tic-tac-toe-mcts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e3cfdb37bfd1ceaf6987dde74d53d6f2b7be97b
[INFO] building krischal111/python-tic-tac-toe-mcts against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrischal111%2Fpython-tic-tac-toe-mcts" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krischal111/python-tic-tac-toe-mcts on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krischal111/python-tic-tac-toe-mcts
[INFO] finished tweaking git repo https://github.com/krischal111/python-tic-tac-toe-mcts
[INFO] tweaked toml for git repo https://github.com/krischal111/python-tic-tac-toe-mcts written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/krischal111/python-tic-tac-toe-mcts 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29058d48850f9bedde3ca53bc03482584d6681c4dbdf94314f73a589c26f37ee
[INFO] running `Command { std: "docker" "start" "-a" "29058d48850f9bedde3ca53bc03482584d6681c4dbdf94314f73a589c26f37ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29058d48850f9bedde3ca53bc03482584d6681c4dbdf94314f73a589c26f37ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29058d48850f9bedde3ca53bc03482584d6681c4dbdf94314f73a589c26f37ee", kill_on_drop: false }`
[INFO] [stdout] 29058d48850f9bedde3ca53bc03482584d6681c4dbdf94314f73a589c26f37ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44a6ff16404c0e9b2df017c5fb20bd4f1c14bb2dc76614365547ea033a7eae5d
[INFO] running `Command { std: "docker" "start" "-a" "44a6ff16404c0e9b2df017c5fb20bd4f1c14bb2dc76614365547ea033a7eae5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling python-tic-tac-toe-mcts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `show_valid_state` and `random_game_example` are never used
[INFO] [stdout]    --> src/tictactoe.rs:71:8
[INFO] [stdout]     |
[INFO] [stdout] 10  | impl tttS {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71  |     fn show_valid_state(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn random_game_example(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "44a6ff16404c0e9b2df017c5fb20bd4f1c14bb2dc76614365547ea033a7eae5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a6ff16404c0e9b2df017c5fb20bd4f1c14bb2dc76614365547ea033a7eae5d", kill_on_drop: false }`
[INFO] [stdout] 44a6ff16404c0e9b2df017c5fb20bd4f1c14bb2dc76614365547ea033a7eae5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5e2861ada92f1e9a20a9fa23d743bea891beb37d947a6adaf2f43c9981a8431
[INFO] running `Command { std: "docker" "start" "-a" "f5e2861ada92f1e9a20a9fa23d743bea891beb37d947a6adaf2f43c9981a8431", kill_on_drop: false }`
[INFO] [stderr]    Compiling python-tic-tac-toe-mcts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `show_valid_state` and `random_game_example` are never used
[INFO] [stdout]    --> src/tictactoe.rs:71:8
[INFO] [stdout]     |
[INFO] [stdout] 10  | impl tttS {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71  |     fn show_valid_state(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn random_game_example(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "f5e2861ada92f1e9a20a9fa23d743bea891beb37d947a6adaf2f43c9981a8431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e2861ada92f1e9a20a9fa23d743bea891beb37d947a6adaf2f43c9981a8431", kill_on_drop: false }`
[INFO] [stdout] f5e2861ada92f1e9a20a9fa23d743bea891beb37d947a6adaf2f43c9981a8431