[INFO] updating cached repository Hopman/rothello
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Hopman/rothello
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Hopman/rothello" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Hopman/rothello"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Hopman/rothello'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Hopman/rothello" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Hopman/rothello"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Hopman/rothello'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4d15d785f03ba4e1ceb0c6d7f1fe59b269d8afa4
[INFO] sha for GitHub repo Hopman/rothello: 4d15d785f03ba4e1ceb0c6d7f1fe59b269d8afa4
[INFO] validating manifest of Hopman/rothello on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Hopman/rothello on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Hopman/rothello
[INFO] finished frobbing Hopman/rothello
[INFO] frobbed toml for Hopman/rothello written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Hopman/rothello/Cargo.toml
[INFO] started frobbing Hopman/rothello
[INFO] finished frobbing Hopman/rothello
[INFO] frobbed toml for Hopman/rothello written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Hopman/rothello/Cargo.toml
[INFO] crate Hopman/rothello already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Hopman/rothello against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Hopman/rothello:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] da98aaa23b44b245da1eef9bc93e559fca6d32ec077a5599838008a6676caead
[INFO] running `"docker" "start" "-a" "da98aaa23b44b245da1eef9bc93e559fca6d32ec077a5599838008a6676caead"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking othello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bot.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Some(po) => return return_score * -1,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_player`
[INFO] [stderr]   --> src/bot.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let t_player = player;
[INFO] [stderr]    |                 ^^^^^^^^ help: consider prefixing with an underscore: `_t_player`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pd`
[INFO] [stderr]    --> src/bot.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let pd = player.disk;
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_pd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `po`
[INFO] [stderr]    --> src/bot.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let po = player.oppo;
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_po`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pd`
[INFO] [stderr]    --> src/bot.rs:179:14
[INFO] [stderr]     |
[INFO] [stderr] 179 |         Some(pd) => return return_score,
[INFO] [stderr]     |              ^^ help: consider prefixing with an underscore: `_pd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `po`
[INFO] [stderr]    --> src/bot.rs:180:14
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Some(po) => return return_score * -1,
[INFO] [stderr]     |              ^^ help: consider prefixing with an underscore: `_po`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]    --> src/bot.rs:145:57
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn calc_score(board: &Board, mv: usize, player: Player, depth: usize) -> isize {
[INFO] [stderr]     |                                                         ^^^^^ help: consider prefixing with an underscore: `_depth`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `player_type`
[INFO] [stderr]    --> src/main.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     player_type: PlayerType,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bot.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Some(po) => return return_score * -1,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_player`
[INFO] [stderr]   --> src/bot.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let t_player = player;
[INFO] [stderr]    |                 ^^^^^^^^ help: consider prefixing with an underscore: `_t_player`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pd`
[INFO] [stderr]    --> src/bot.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let pd = player.disk;
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_pd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `po`
[INFO] [stderr]    --> src/bot.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let po = player.oppo;
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_po`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pd`
[INFO] [stderr]    --> src/bot.rs:179:14
[INFO] [stderr]     |
[INFO] [stderr] 179 |         Some(pd) => return return_score,
[INFO] [stderr]     |              ^^ help: consider prefixing with an underscore: `_pd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `po`
[INFO] [stderr]    --> src/bot.rs:180:14
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Some(po) => return return_score * -1,
[INFO] [stderr]     |              ^^ help: consider prefixing with an underscore: `_po`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]    --> src/bot.rs:145:57
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn calc_score(board: &Board, mv: usize, player: Player, depth: usize) -> isize {
[INFO] [stderr]     |                                                         ^^^^^ help: consider prefixing with an underscore: `_depth`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `player_type`
[INFO] [stderr]    --> src/main.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     player_type: PlayerType,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "da98aaa23b44b245da1eef9bc93e559fca6d32ec077a5599838008a6676caead"`
[INFO] running `"docker" "rm" "-f" "da98aaa23b44b245da1eef9bc93e559fca6d32ec077a5599838008a6676caead"`
[INFO] [stdout] da98aaa23b44b245da1eef9bc93e559fca6d32ec077a5599838008a6676caead