[INFO] cloning repository https://github.com/sinotca-sq23/reversi
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinotca-sq23/reversi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinotca-sq23%2Freversi"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinotca-sq23%2Freversi'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68b67d07fbf9c7b520fe5a3d1e27aba3df5f038a
[INFO] checking sinotca-sq23/reversi against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinotca-sq23%2Freversi" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sinotca-sq23/reversi on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sinotca-sq23/reversi
[INFO] finished tweaking git repo https://github.com/sinotca-sq23/reversi
[INFO] tweaked toml for git repo https://github.com/sinotca-sq23/reversi written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sinotca-sq23/reversi already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1bd13d013c01d85ee1ec71809112d4e184a49f38ad009e39687699911269edab
[INFO] running `"docker" "start" "-a" "1bd13d013c01d85ee1ec71809112d4e184a49f38ad009e39687699911269edab"`
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking reversi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Rng`, `SeedableRng`
[INFO] [stderr]  --> src/player/randputter.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{RngCore, SeedableRng, Rng, rngs::ThreadRng, };
[INFO] [stderr]   |                     ^^^^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng`
[INFO] [stderr]  --> src/player/randputter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand_xorshift::XorShiftRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_table`
[INFO] [stderr]    --> src/player/minimax_search/abwm.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     pub fn clear_table(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_table`
[INFO] [stderr]   --> src/player/minimax_search/mtdfwm.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn clear_table(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `game_at_stdio`
[INFO] [stderr]   --> src/gamemaster.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn game_at_stdio(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `game_without_output`
[INFO] [stderr]    --> src/gamemaster.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn game_without_output(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `SeedableRng`
[INFO] [stderr]  --> src/player/randputter.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{RngCore, SeedableRng, Rng, rngs::ThreadRng, };
[INFO] [stderr]   |                     ^^^^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng`
[INFO] [stderr]  --> src/player/randputter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand_xorshift::XorShiftRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_table`
[INFO] [stderr]    --> src/player/minimax_search/abwm.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     pub fn clear_table(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_table`
[INFO] [stderr]   --> src/player/minimax_search/mtdfwm.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn clear_table(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `game_at_stdio`
[INFO] [stderr]   --> src/gamemaster.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn game_at_stdio(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `game_without_output`
[INFO] [stderr]    --> src/gamemaster.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn game_without_output(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `"docker" "inspect" "1bd13d013c01d85ee1ec71809112d4e184a49f38ad009e39687699911269edab"`
[INFO] running `"docker" "rm" "-f" "1bd13d013c01d85ee1ec71809112d4e184a49f38ad009e39687699911269edab"`
[INFO] [stdout] 1bd13d013c01d85ee1ec71809112d4e184a49f38ad009e39687699911269edab