[INFO] updating cached repository https://github.com/iroha168/rust_othello
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1218d0e24fec214d8a208e5d877eab3ecb24e9c
[INFO] checking iroha168/rust_othello against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firoha168%2Frust_othello" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/iroha168/rust_othello on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iroha168/rust_othello
[INFO] finished tweaking git repo https://github.com/iroha168/rust_othello
[INFO] tweaked toml for git repo https://github.com/iroha168/rust_othello written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/iroha168/rust_othello already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 7806cda7b5262da6a011082d2b7e0e88ba9ab17dee3f8e36672f2fe2e4ea327d
[INFO] running `"docker" "start" "-a" "7806cda7b5262da6a011082d2b7e0e88ba9ab17dee3f8e36672f2fe2e4ea327d"`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking othello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `ith_line`
[INFO] [stderr]    --> src/main.rs:166:7
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut ith_line = String::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ith_line`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `move_cnt` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |     let mut move_cnt = 0;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_move_cnt` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_target`
[INFO] [stderr]    --> src/main.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut is_target = true;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `player_display`
[INFO] [stderr]    --> src/main.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let player_display = if turn == BLACK {"Black"} else {"White"};
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_display`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:166:7
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut ith_line = String::new();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:205:6
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let mut black = init_board.0;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:206:6
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let mut white = init_board.1;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut is_target = true;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const WHITE: i32 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_EMPTY_FOR_FULL_SEARCH`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const MAX_EMPTY_FOR_FULL_SEARCH: usize = 24;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_stones`
[INFO] [stderr]    --> src/main.rs:185:4
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn count_stones(stones: u64) -> i32{
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_num_to_move`
[INFO] [stderr]    --> src/main.rs:196:4
[INFO] [stderr]     |
[INFO] [stderr] 196 | fn convert_num_to_move(pos_as_int: u32) -> String{
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ith_line`
[INFO] [stderr]    --> src/main.rs:166:7
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut ith_line = String::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ith_line`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `move_cnt` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |     let mut move_cnt = 0;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_move_cnt` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_target`
[INFO] [stderr]    --> src/main.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut is_target = true;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `player_display`
[INFO] [stderr]    --> src/main.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let player_display = if turn == BLACK {"Black"} else {"White"};
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_display`
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:166:7
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut ith_line = String::new();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:205:6
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let mut black = init_board.0;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:206:6
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let mut white = init_board.1;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut is_target = true;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const WHITE: i32 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_EMPTY_FOR_FULL_SEARCH`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const MAX_EMPTY_FOR_FULL_SEARCH: usize = 24;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_stones`
[INFO] [stderr]    --> src/main.rs:185:4
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn count_stones(stones: u64) -> i32{
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_num_to_move`
[INFO] [stderr]    --> src/main.rs:196:4
[INFO] [stderr]     |
[INFO] [stderr] 196 | fn convert_num_to_move(pos_as_int: u32) -> String{
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `"docker" "inspect" "7806cda7b5262da6a011082d2b7e0e88ba9ab17dee3f8e36672f2fe2e4ea327d"`
[INFO] running `"docker" "rm" "-f" "7806cda7b5262da6a011082d2b7e0e88ba9ab17dee3f8e36672f2fe2e4ea327d"`
[INFO] [stdout] 7806cda7b5262da6a011082d2b7e0e88ba9ab17dee3f8e36672f2fe2e4ea327d