[INFO] updating cached repository iroha168/rust_othello
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iroha168/rust_othello
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iroha168/rust_othello" "work/ex/beta-1.38-1/sources/1.37.0/gh/iroha168/rust_othello"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iroha168/rust_othello'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iroha168/rust_othello" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iroha168/rust_othello"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iroha168/rust_othello'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1218d0e24fec214d8a208e5d877eab3ecb24e9c
[INFO] sha for GitHub repo iroha168/rust_othello: a1218d0e24fec214d8a208e5d877eab3ecb24e9c
[INFO] validating manifest of iroha168/rust_othello on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iroha168/rust_othello on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iroha168/rust_othello
[INFO] finished frobbing iroha168/rust_othello
[INFO] frobbed toml for iroha168/rust_othello written to work/ex/beta-1.38-1/sources/1.37.0/gh/iroha168/rust_othello/Cargo.toml
[INFO] started frobbing iroha168/rust_othello
[INFO] finished frobbing iroha168/rust_othello
[INFO] frobbed toml for iroha168/rust_othello written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iroha168/rust_othello/Cargo.toml
[INFO] crate iroha168/rust_othello already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iroha168/rust_othello against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iroha168/rust_othello:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4a5a21e68407ae1c331d11785abb23045cad6201b39ecc07e8d2e8d74a37a123
[INFO] running `"docker" "start" "-a" "4a5a21e68407ae1c331d11785abb23045cad6201b39ecc07e8d2e8d74a37a123"`
[INFO] [stderr]    Compiling othello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ith_line`
[INFO] [stderr]    --> src/main.rs:166:11
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut ith_line = String::new();
[INFO] [stderr]     |                 ^^^^^^^^ help: consider prefixing 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:215:13
[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:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut is_target = true;
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing 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: consider prefixing 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:185:1
[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:196:1
[INFO] [stderr]     |
[INFO] [stderr] 196 | fn convert_num_to_move(pos_as_int: u32) -> String{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "4a5a21e68407ae1c331d11785abb23045cad6201b39ecc07e8d2e8d74a37a123"`
[INFO] running `"docker" "rm" "-f" "4a5a21e68407ae1c331d11785abb23045cad6201b39ecc07e8d2e8d74a37a123"`
[INFO] [stdout] 4a5a21e68407ae1c331d11785abb23045cad6201b39ecc07e8d2e8d74a37a123
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iroha168/rust_othello:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3582550ae04033b461c27f3bf57b88e6cbb748a1ffc9d45c3db6dfa19210970b
[INFO] running `"docker" "start" "-a" "3582550ae04033b461c27f3bf57b88e6cbb748a1ffc9d45c3db6dfa19210970b"`
[INFO] [stderr]    Compiling othello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ith_line`
[INFO] [stderr]    --> src/main.rs:166:11
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut ith_line = String::new();
[INFO] [stderr]     |                 ^^^^^^^^ help: consider prefixing 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:215:13
[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:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut is_target = true;
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing 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: consider prefixing 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:185:1
[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:196:1
[INFO] [stderr]     |
[INFO] [stderr] 196 | fn convert_num_to_move(pos_as_int: u32) -> String{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "3582550ae04033b461c27f3bf57b88e6cbb748a1ffc9d45c3db6dfa19210970b"`
[INFO] running `"docker" "rm" "-f" "3582550ae04033b461c27f3bf57b88e6cbb748a1ffc9d45c3db6dfa19210970b"`
[INFO] [stdout] 3582550ae04033b461c27f3bf57b88e6cbb748a1ffc9d45c3db6dfa19210970b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iroha168/rust_othello:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6c7eea7177a931e49bfb93581b6baf47dfe1c6726eb11fea9676208b4b960504
[INFO] running `"docker" "start" "-a" "6c7eea7177a931e49bfb93581b6baf47dfe1c6726eb11fea9676208b4b960504"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/othello-782532855a4631ca
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6c7eea7177a931e49bfb93581b6baf47dfe1c6726eb11fea9676208b4b960504"`
[INFO] running `"docker" "rm" "-f" "6c7eea7177a931e49bfb93581b6baf47dfe1c6726eb11fea9676208b4b960504"`
[INFO] [stdout] 6c7eea7177a931e49bfb93581b6baf47dfe1c6726eb11fea9676208b4b960504