[INFO] fetching crate wfc 0.9.2...
[INFO] testing wfc-0.9.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate wfc 0.9.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wfc 0.9.2 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 crates.io crate wfc 0.9.2
[INFO] finished tweaking crates.io crate wfc 0.9.2
[INFO] tweaked toml for crates.io crate wfc 0.9.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4011a2a9a89b184813364f63f85d5d457977fe8c2fead6a1507fd74f8551207
[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" "a4011a2a9a89b184813364f63f85d5d457977fe8c2fead6a1507fd74f8551207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4011a2a9a89b184813364f63f85d5d457977fe8c2fead6a1507fd74f8551207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4011a2a9a89b184813364f63f85d5d457977fe8c2fead6a1507fd74f8551207", kill_on_drop: false }`
[INFO] [stdout] a4011a2a9a89b184813364f63f85d5d457977fe8c2fead6a1507fd74f8551207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a3d4f6f4c1113a95cb3993bfcb07c71d3513274c5108b1f4c635cc730e44166
[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" "4a3d4f6f4c1113a95cb3993bfcb07c71d3513274c5108b1f4c635cc730e44166", kill_on_drop: false }`
[INFO] [stderr]    Compiling coord_2d v0.2.22
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling direction v0.17.10
[INFO] [stderr]    Compiling grid_2d v0.14.6
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling wfc v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `Command { std: "docker" "inspect" "4a3d4f6f4c1113a95cb3993bfcb07c71d3513274c5108b1f4c635cc730e44166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3d4f6f4c1113a95cb3993bfcb07c71d3513274c5108b1f4c635cc730e44166", kill_on_drop: false }`
[INFO] [stdout] 4a3d4f6f4c1113a95cb3993bfcb07c71d3513274c5108b1f4c635cc730e44166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90a24ac41eb2d5404343795505a6dcf9f3ac799b88efb8fe98580d02d84b78a
[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" "f90a24ac41eb2d5404343795505a6dcf9f3ac799b88efb8fe98580d02d84b78a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wfc v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "f90a24ac41eb2d5404343795505a6dcf9f3ac799b88efb8fe98580d02d84b78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90a24ac41eb2d5404343795505a6dcf9f3ac799b88efb8fe98580d02d84b78a", kill_on_drop: false }`
[INFO] [stdout] f90a24ac41eb2d5404343795505a6dcf9f3ac799b88efb8fe98580d02d84b78a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 3db27985b6a8a61ca6042590fb3961241e401da1850b1efacf4ad4459cb61b58
[INFO] running `Command { std: "docker" "start" "-a" "3db27985b6a8a61ca6042590fb3961241e401da1850b1efacf4ad4459cb61b58", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wfc-c27ab9a0af090e47
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tiled_slice::test::tiled_grid_slice_hash ... ok
[INFO] [stdout] test tiled_slice::test::tiling ... ok
[INFO] [stdout] test overlapping::test::compatibile_patterns ... ok
[INFO] [stdout] test wrap::test::wraps ... ok
[INFO] [stdout] test orientation::test::checks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3db27985b6a8a61ca6042590fb3961241e401da1850b1efacf4ad4459cb61b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db27985b6a8a61ca6042590fb3961241e401da1850b1efacf4ad4459cb61b58", kill_on_drop: false }`
[INFO] [stdout] 3db27985b6a8a61ca6042590fb3961241e401da1850b1efacf4ad4459cb61b58