[INFO] cloning repository https://github.com/BlockCat/CatZero-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlockCat/CatZero-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockCat%2FCatZero-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockCat%2FCatZero-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3b57201fb4bdc34f4c336e0b28897ca43df35ce
[INFO] checking BlockCat/CatZero-rust against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockCat%2FCatZero-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlockCat/CatZero-rust on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BlockCat/CatZero-rust
[INFO] finished tweaking git repo https://github.com/BlockCat/CatZero-rust
[INFO] tweaked toml for git repo https://github.com/BlockCat/CatZero-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/BlockCat/CatZero-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpython v0.2.1
[INFO] [stderr]   Downloaded python3-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4f6b767b15b99dc8562591ee85487dafffc7083b53678d21605312420f4a238
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4f6b767b15b99dc8562591ee85487dafffc7083b53678d21605312420f4a238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4f6b767b15b99dc8562591ee85487dafffc7083b53678d21605312420f4a238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f6b767b15b99dc8562591ee85487dafffc7083b53678d21605312420f4a238", kill_on_drop: false }`
[INFO] [stdout] d4f6b767b15b99dc8562591ee85487dafffc7083b53678d21605312420f4a238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04d236dbe6d647bc9011c488aa44708d663335e4b80b3915c66c36e64140f8b1
[INFO] running `Command { std: "docker" "start" "-a" "04d236dbe6d647bc9011c488aa44708d663335e4b80b3915c66c36e64140f8b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cpython v0.2.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking hashbrown v0.1.7
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling python3-sys v0.2.1
[INFO] [stderr]     Checking catzero v0.1.0 (/opt/rustwide/workdir/lib-catzero)
[INFO] [stdout] warning: unused import: `crate::model::CatZeroModel`
[INFO] [stdout]  --> lib-catzero/src/alphazero.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::model::CatZeroModel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::CatZeroModel`
[INFO] [stdout]  --> lib-catzero/src/alphazero.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::model::CatZeroModel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_player`
[INFO] [stdout]   --> lib-catzero/src/mcts.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let current_player = root_state.current_player();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> lib-catzero/src/mcts.rs:175:27
[INFO] [stdout]     |
[INFO] [stdout] 175 |             .max_by_key(|(a, ma)| {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_player`
[INFO] [stdout]   --> lib-catzero/src/mcts.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let current_player = root_state.current_player();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> lib-catzero/src/mcts.rs:175:27
[INFO] [stdout]     |
[INFO] [stdout] 175 |             .max_by_key(|(a, ma)| {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking catzero-tictactoe v0.1.0 (/opt/rustwide/workdir/tictactoe)
[INFO] [stdout] warning: unused imports: `CatZeroModel`, `MCTS`
[INFO] [stdout]  --> tictactoe/src/tictactoe.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use catzero::{ MCTS, CatZeroModel, Tensor};
[INFO] [stdout]   |                ^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CatZeroModel`, `MCTS`
[INFO] [stdout]  --> tictactoe/src/tictactoe.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use catzero::{ MCTS, CatZeroModel, Tensor};
[INFO] [stdout]   |                ^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.27s
[INFO] running `Command { std: "docker" "inspect" "04d236dbe6d647bc9011c488aa44708d663335e4b80b3915c66c36e64140f8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d236dbe6d647bc9011c488aa44708d663335e4b80b3915c66c36e64140f8b1", kill_on_drop: false }`
[INFO] [stdout] 04d236dbe6d647bc9011c488aa44708d663335e4b80b3915c66c36e64140f8b1