[INFO] updating cached repository https://github.com/default-username-852/schack
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35689cb2fc3be1519ba1b57010483362ca8b9f4d
[INFO] testing default-username-852/schack against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdefault-username-852%2Fschack" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/default-username-852/schack on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/default-username-852/schack
[INFO] finished tweaking git repo https://github.com/default-username-852/schack
[INFO] tweaked toml for git repo https://github.com/default-username-852/schack written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/default-username-852/schack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 810af6384523d2adf79ea2d5ba902ee9739e7f241a2b3538324ac1f87e756d7a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "810af6384523d2adf79ea2d5ba902ee9739e7f241a2b3538324ac1f87e756d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810af6384523d2adf79ea2d5ba902ee9739e7f241a2b3538324ac1f87e756d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810af6384523d2adf79ea2d5ba902ee9739e7f241a2b3538324ac1f87e756d7a", kill_on_drop: false }`
[INFO] [stdout] 810af6384523d2adf79ea2d5ba902ee9739e7f241a2b3538324ac1f87e756d7a
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68da97c0483d5652292ebc1b94b6ce935a369472cb728649db51b0aca7480e1c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "68da97c0483d5652292ebc1b94b6ce935a369472cb728649db51b0aca7480e1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling schackmotor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]     --> src/lib.rs:1097:18
[INFO] [stdout]      |
[INFO] [stdout] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stdout]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "68da97c0483d5652292ebc1b94b6ce935a369472cb728649db51b0aca7480e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68da97c0483d5652292ebc1b94b6ce935a369472cb728649db51b0aca7480e1c", kill_on_drop: false }`
[INFO] [stdout] 68da97c0483d5652292ebc1b94b6ce935a369472cb728649db51b0aca7480e1c
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 459605355bc8ef1f4a2c7981b53033b15ba9d466160e916252a2490e6d803170
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "459605355bc8ef1f4a2c7981b53033b15ba9d466160e916252a2490e6d803170", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling schackmotor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]     --> src/lib.rs:1097:18
[INFO] [stdout]      |
[INFO] [stdout] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stdout]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]     --> src/lib.rs:1097:18
[INFO] [stdout]      |
[INFO] [stdout] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stdout]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "459605355bc8ef1f4a2c7981b53033b15ba9d466160e916252a2490e6d803170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459605355bc8ef1f4a2c7981b53033b15ba9d466160e916252a2490e6d803170", kill_on_drop: false }`
[INFO] [stdout] 459605355bc8ef1f4a2c7981b53033b15ba9d466160e916252a2490e6d803170
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05f001b5c3209230efd2c6b6f13d96e293ca6da08cf18e09b1baa4ba1b13b665
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "05f001b5c3209230efd2c6b6f13d96e293ca6da08cf18e09b1baa4ba1b13b665", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:455:9
[INFO] [stderr]     |
[INFO] [stderr] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `piece`
[INFO] [stderr]     --> src/lib.rs:1097:18
[INFO] [stderr]      |
[INFO] [stderr] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stderr]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:455:9
[INFO] [stderr]     |
[INFO] [stderr] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `piece`
[INFO] [stderr]     --> src/lib.rs:1097:18
[INFO] [stderr]      |
[INFO] [stderr] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stderr]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/schackmotor-b81dce64a0206f45
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_bad_castling ... ok
[INFO] [stdout] test test_castling ... ok
[INFO] [stdout] test test_check ... ok
[INFO] [stdout] test test_chess_notation ... ok
[INFO] [stdout] test test_game_states ... ok
[INFO] [stdout] test test_piece ... ok
[INFO] [stdout] test test_en_passant ... ok
[INFO] [stdout] test test_gamestate ... ok
[INFO] [stdout] test test_promotion ... ok
[INFO] [stdout] test test_standard_board ... ok
[INFO] [stdout] test test_standard_castling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests schackmotor
[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 `Command { std: "docker" "inspect" "05f001b5c3209230efd2c6b6f13d96e293ca6da08cf18e09b1baa4ba1b13b665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f001b5c3209230efd2c6b6f13d96e293ca6da08cf18e09b1baa4ba1b13b665", kill_on_drop: false }`
[INFO] [stdout] 05f001b5c3209230efd2c6b6f13d96e293ca6da08cf18e09b1baa4ba1b13b665