[INFO] cloning repository https://github.com/zdebra/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zdebra/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a11ce9e3b3e11253b3f9275f70cbfe6a78b8e977
[INFO] testing zdebra/rust-chess against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Frust-chess" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zdebra/rust-chess on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zdebra/rust-chess
[INFO] finished tweaking git repo https://github.com/zdebra/rust-chess
[INFO] tweaked toml for git repo https://github.com/zdebra/rust-chess written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zdebra/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 073eee97309c4e1f8d9bd67a8ea921b5900bb783dbf0cc56cfeee32a1f3a64e2
[INFO] running `Command { std: "docker" "start" "-a" "073eee97309c4e1f8d9bd67a8ea921b5900bb783dbf0cc56cfeee32a1f3a64e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "073eee97309c4e1f8d9bd67a8ea921b5900bb783dbf0cc56cfeee32a1f3a64e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073eee97309c4e1f8d9bd67a8ea921b5900bb783dbf0cc56cfeee32a1f3a64e2", kill_on_drop: false }`
[INFO] [stdout] 073eee97309c4e1f8d9bd67a8ea921b5900bb783dbf0cc56cfeee32a1f3a64e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 681218c39ad082fa3755fb852298acdd9fa169050b256dc242c9a707473e19f8
[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" "681218c39ad082fa3755fb852298acdd9fa169050b256dc242c9a707473e19f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling thiserror v1.0.18
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Board`
[INFO] [stdout]  --> src/board.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Board {
[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: `legal_moves`
[INFO] [stdout]   --> src/board.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn legal_moves(&self) -> Vec<Action> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `legal_strikes`
[INFO] [stdout]   --> src/board.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn legal_strikes(&self) -> Vec<Action> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.15s
[INFO] running `Command { std: "docker" "inspect" "681218c39ad082fa3755fb852298acdd9fa169050b256dc242c9a707473e19f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681218c39ad082fa3755fb852298acdd9fa169050b256dc242c9a707473e19f8", kill_on_drop: false }`
[INFO] [stdout] 681218c39ad082fa3755fb852298acdd9fa169050b256dc242c9a707473e19f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 16ad7352b5025f85005aad710fb67758e157e5a4ed7e33e4a0d9c425061d3ac6
[INFO] running `Command { std: "docker" "start" "-a" "16ad7352b5025f85005aad710fb67758e157e5a4ed7e33e4a0d9c425061d3ac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Board`
[INFO] [stdout]  --> src/board.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Board {
[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: `legal_moves`
[INFO] [stdout]   --> src/board.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn legal_moves(&self) -> Vec<Action> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `legal_strikes`
[INFO] [stdout]   --> src/board.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn legal_strikes(&self) -> Vec<Action> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Board`
[INFO] [stdout]  --> src/board.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Board {
[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: `legal_moves`
[INFO] [stdout]   --> src/board.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn legal_moves(&self) -> Vec<Action> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `legal_strikes`
[INFO] [stdout]   --> src/board.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn legal_strikes(&self) -> Vec<Action> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "16ad7352b5025f85005aad710fb67758e157e5a4ed7e33e4a0d9c425061d3ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ad7352b5025f85005aad710fb67758e157e5a4ed7e33e4a0d9c425061d3ac6", kill_on_drop: false }`
[INFO] [stdout] 16ad7352b5025f85005aad710fb67758e157e5a4ed7e33e4a0d9c425061d3ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", 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] 79fc6d763834a9ea3dc50c1dc2812c64a6431290f09f7fc1a1d692f757f6e966
[INFO] running `Command { std: "docker" "start" "-a" "79fc6d763834a9ea3dc50c1dc2812c64a6431290f09f7fc1a1d692f757f6e966", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Board`
[INFO] [stderr]  --> src/board.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Board {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `legal_moves`
[INFO] [stderr]   --> src/board.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn legal_moves(&self) -> Vec<Action> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `legal_strikes`
[INFO] [stderr]   --> src/board.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn legal_strikes(&self) -> Vec<Action> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (lib) generated 3 warnings
[INFO] [stderr] warning: `chess` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess-2ed474134d501e71)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]    Doc-tests chess
[INFO] [stdout] test position::position_to_arr ... ok
[INFO] [stdout] test ray::strike_actions ... ok
[INFO] [stdout] test pieces::tests::pawn_legal_strikes ... ok
[INFO] [stdout] test ray::move_actions ... ok
[INFO] [stdout] test pieces::tests::pawn_legal_moves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/ray.rs - ray::Ray::into_iter (line 139) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79fc6d763834a9ea3dc50c1dc2812c64a6431290f09f7fc1a1d692f757f6e966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fc6d763834a9ea3dc50c1dc2812c64a6431290f09f7fc1a1d692f757f6e966", kill_on_drop: false }`
[INFO] [stdout] 79fc6d763834a9ea3dc50c1dc2812c64a6431290f09f7fc1a1d692f757f6e966