[INFO] fetching crate reversi-rs 0.1.0...
[INFO] building reversi-rs-0.1.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate reversi-rs 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate reversi-rs 0.1.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reversi-rs 0.1.0
[INFO] finished tweaking crates.io crate reversi-rs 0.1.0
[INFO] tweaked toml for crates.io crate reversi-rs 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate reversi-rs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", 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] 41070d4931f39105d618b0b1662c491de2995c30536fd9fcd857a4cf5777ddc1
[INFO] running `Command { std: "docker" "start" "-a" "41070d4931f39105d618b0b1662c491de2995c30536fd9fcd857a4cf5777ddc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41070d4931f39105d618b0b1662c491de2995c30536fd9fcd857a4cf5777ddc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41070d4931f39105d618b0b1662c491de2995c30536fd9fcd857a4cf5777ddc1", kill_on_drop: false }`
[INFO] [stdout] 41070d4931f39105d618b0b1662c491de2995c30536fd9fcd857a4cf5777ddc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--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] 1a0dd94f8516d9ab972fd5723a99fc3a2229a02dc7c4fb2a7f9578792523a090
[INFO] running `Command { std: "docker" "start" "-a" "1a0dd94f8516d9ab972fd5723a99fc3a2229a02dc7c4fb2a7f9578792523a090", kill_on_drop: false }`
[INFO] [stderr]    Compiling reversi-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/game.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 for b in 0..blank_zone {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/game.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let mut result: SquareState = SquareState::NoneSquare;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `board_char` is never read
[INFO] [stdout]    --> src/game.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let mut board_char = "　";
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/game.rs:346:17
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let mut result: SquareState = SquareState::NoneSquare;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/repl.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut x: isize = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/repl.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut y: isize = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let mut result: SquareState = SquareState::NoneSquare;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `code_to_board`
[INFO] [stdout]    --> src/game.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn code_to_board(code: &str) -> [SquareState; 64] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `char_to_square`
[INFO] [stdout]    --> src/game.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn char_to_square(w: &str) -> SquareState {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/repl.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "1a0dd94f8516d9ab972fd5723a99fc3a2229a02dc7c4fb2a7f9578792523a090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0dd94f8516d9ab972fd5723a99fc3a2229a02dc7c4fb2a7f9578792523a090", kill_on_drop: false }`
[INFO] [stdout] 1a0dd94f8516d9ab972fd5723a99fc3a2229a02dc7c4fb2a7f9578792523a090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--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] 1fb335a3618a3c16e25ce0b2c1e0d1bdd574bd08dedb29816d618d654862082f
[INFO] running `Command { std: "docker" "start" "-a" "1fb335a3618a3c16e25ce0b2c1e0d1bdd574bd08dedb29816d618d654862082f", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/game.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 for b in 0..blank_zone {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling reversi-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/game.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let mut result: SquareState = SquareState::NoneSquare;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `board_char` is never read
[INFO] [stdout]    --> src/game.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let mut board_char = "　";
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/game.rs:346:17
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let mut result: SquareState = SquareState::NoneSquare;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/repl.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut x: isize = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/repl.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut y: isize = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let mut result: SquareState = SquareState::NoneSquare;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `code_to_board`
[INFO] [stdout]    --> src/game.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn code_to_board(code: &str) -> [SquareState; 64] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `char_to_square`
[INFO] [stdout]    --> src/game.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn char_to_square(w: &str) -> SquareState {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/repl.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/game.rs:384:72
[INFO] [stdout]     |
[INFO] [stdout] 384 |             Game::code_to_board("/wwww4/8/8/bwww1wwb/3b4/2b5/1b6/8/"), 0);
[INFO] [stdout]     |                                                                        ^ expected enum `game_state::GameState`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/game.rs:387:60
[INFO] [stdout]     |
[INFO] [stdout] 387 |             Game::code_to_board("/8/8/8/3bb3/3ww3/8/8/8"), 0);
[INFO] [stdout]     |                                                            ^ expected enum `game_state::GameState`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reversi-rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1fb335a3618a3c16e25ce0b2c1e0d1bdd574bd08dedb29816d618d654862082f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb335a3618a3c16e25ce0b2c1e0d1bdd574bd08dedb29816d618d654862082f", kill_on_drop: false }`
[INFO] [stdout] 1fb335a3618a3c16e25ce0b2c1e0d1bdd574bd08dedb29816d618d654862082f
