[INFO] fetching crate wfc 0.10.4...
[INFO] testing wfc-0.10.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wfc 0.10.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wfc 0.10.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wfc 0.10.4
[INFO] finished tweaking crates.io crate wfc 0.10.4
[INFO] tweaked toml for crates.io crate wfc 0.10.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grid_2d v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fdd5d9a8e786f1d41f7996e04ff19deff9f161f05359fc9699e40f15f2073fd
[INFO] running `Command { std: "docker" "start" "-a" "0fdd5d9a8e786f1d41f7996e04ff19deff9f161f05359fc9699e40f15f2073fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fdd5d9a8e786f1d41f7996e04ff19deff9f161f05359fc9699e40f15f2073fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fdd5d9a8e786f1d41f7996e04ff19deff9f161f05359fc9699e40f15f2073fd", kill_on_drop: false }`
[INFO] [stdout] 0fdd5d9a8e786f1d41f7996e04ff19deff9f161f05359fc9699e40f15f2073fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a0b43c1e36b83095008ce37d2de1619272c864f6fc8079743befee5fd291c3
[INFO] running `Command { std: "docker" "start" "-a" "51a0b43c1e36b83095008ce37d2de1619272c864f6fc8079743befee5fd291c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling coord_2d v0.3.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling direction v0.18.1
[INFO] [stderr]    Compiling grid_2d v0.15.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling wfc v0.10.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `Command { std: "docker" "inspect" "51a0b43c1e36b83095008ce37d2de1619272c864f6fc8079743befee5fd291c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a0b43c1e36b83095008ce37d2de1619272c864f6fc8079743befee5fd291c3", kill_on_drop: false }`
[INFO] [stdout] 51a0b43c1e36b83095008ce37d2de1619272c864f6fc8079743befee5fd291c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01cbdb365220e97679935e7e84b42097e364750b4a739c8372051ee1885e5877
[INFO] running `Command { std: "docker" "start" "-a" "01cbdb365220e97679935e7e84b42097e364750b4a739c8372051ee1885e5877", kill_on_drop: false }`
[INFO] [stderr]    Compiling wfc v0.10.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "01cbdb365220e97679935e7e84b42097e364750b4a739c8372051ee1885e5877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01cbdb365220e97679935e7e84b42097e364750b4a739c8372051ee1885e5877", kill_on_drop: false }`
[INFO] [stdout] 01cbdb365220e97679935e7e84b42097e364750b4a739c8372051ee1885e5877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 753be800cd3b1f3b60b7445b53b316d2b11f0b30bdb23699b3e102e461ed1f37
[INFO] running `Command { std: "docker" "start" "-a" "753be800cd3b1f3b60b7445b53b316d2b11f0b30bdb23699b3e102e461ed1f37", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wfc-b51394743e0976f7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test orientation::test::checks ... ok
[INFO] [stdout] test overlapping::test::compatibile_patterns ... ok
[INFO] [stdout] test tiled_slice::test::tiling ... ok
[INFO] [stdout] test tiled_slice::test::tiled_grid_slice_hash ... ok
[INFO] [stdout] test wrap::test::wraps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wfc
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "753be800cd3b1f3b60b7445b53b316d2b11f0b30bdb23699b3e102e461ed1f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753be800cd3b1f3b60b7445b53b316d2b11f0b30bdb23699b3e102e461ed1f37", kill_on_drop: false }`
[INFO] [stdout] 753be800cd3b1f3b60b7445b53b316d2b11f0b30bdb23699b3e102e461ed1f37