[INFO] cloning repository https://github.com/frostblooded/sliding_puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frostblooded/sliding_puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrostblooded%2Fsliding_puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrostblooded%2Fsliding_puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 707b44c4720f232ba32824fea2264f3ca0055e07
[INFO] testing frostblooded/sliding_puzzle against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrostblooded%2Fsliding_puzzle" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frostblooded/sliding_puzzle on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frostblooded/sliding_puzzle
[INFO] finished tweaking git repo https://github.com/frostblooded/sliding_puzzle
[INFO] tweaked toml for git repo https://github.com/frostblooded/sliding_puzzle written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/frostblooded/sliding_puzzle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cae0689d9d4b78a69a7010fb05dd2e09d14b9323d6bf02d813aa80e377d6b27e
[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" "cae0689d9d4b78a69a7010fb05dd2e09d14b9323d6bf02d813aa80e377d6b27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cae0689d9d4b78a69a7010fb05dd2e09d14b9323d6bf02d813aa80e377d6b27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae0689d9d4b78a69a7010fb05dd2e09d14b9323d6bf02d813aa80e377d6b27e", kill_on_drop: false }`
[INFO] [stdout] cae0689d9d4b78a69a7010fb05dd2e09d14b9323d6bf02d813aa80e377d6b27e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 10a04e68f9b65ee6f6965d1719f0e628cfb4c1cf5be7deb6df6e16320d589aa4
[INFO] running `Command { std: "docker" "start" "-a" "10a04e68f9b65ee6f6965d1719f0e628cfb4c1cf5be7deb6df6e16320d589aa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sliding_puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "10a04e68f9b65ee6f6965d1719f0e628cfb4c1cf5be7deb6df6e16320d589aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a04e68f9b65ee6f6965d1719f0e628cfb4c1cf5be7deb6df6e16320d589aa4", kill_on_drop: false }`
[INFO] [stdout] 10a04e68f9b65ee6f6965d1719f0e628cfb4c1cf5be7deb6df6e16320d589aa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4e2833f5dc982a5b6cd6e88c981553ed6c13a684c17757b29a8a4c61ad2483da
[INFO] running `Command { std: "docker" "start" "-a" "4e2833f5dc982a5b6cd6e88c981553ed6c13a684c17757b29a8a4c61ad2483da", kill_on_drop: false }`
[INFO] [stderr]    Compiling sliding_puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "4e2833f5dc982a5b6cd6e88c981553ed6c13a684c17757b29a8a4c61ad2483da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2833f5dc982a5b6cd6e88c981553ed6c13a684c17757b29a8a4c61ad2483da", kill_on_drop: false }`
[INFO] [stdout] 4e2833f5dc982a5b6cd6e88c981553ed6c13a684c17757b29a8a4c61ad2483da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] cd13e1d5f6741a89b08d39f2ac811fe0a9332985ef4a378e4a10c3fa6635b9d6
[INFO] running `Command { std: "docker" "start" "-a" "cd13e1d5f6741a89b08d39f2ac811fe0a9332985ef4a378e4a10c3fa6635b9d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sliding_puzzle-6ef08c87c0f77a0b
[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] [stderr]      Running /opt/rustwide/target/debug/deps/main-ad79f0a3af2cd4a6
[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] [stderr]      Running /opt/rustwide/target/debug/deps/grid_tests-de15f4788efb5ead
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/solver_tests-6a099cfd0651555e
[INFO] [stdout] test tests::test_generating_adjacents ... ok
[INFO] [stdout] test tests::test_heuristic ... ok
[INFO] [stdout] test tests::test_linear_pos_to_matrix_pos ... ok
[INFO] [stdout] test tests::test_expected_pos ... ok
[INFO] [stdout] test tests::test_heuristic_for_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests sliding_puzzle
[INFO] [stdout] test tests::end_to_end_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "cd13e1d5f6741a89b08d39f2ac811fe0a9332985ef4a378e4a10c3fa6635b9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd13e1d5f6741a89b08d39f2ac811fe0a9332985ef4a378e4a10c3fa6635b9d6", kill_on_drop: false }`
[INFO] [stdout] cd13e1d5f6741a89b08d39f2ac811fe0a9332985ef4a378e4a10c3fa6635b9d6