[INFO] fetching crate wfc 0.9.2...
[INFO] testing wfc-0.9.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate wfc 0.9.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wfc 0.9.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cab45ff8c9a73bd121fe375a653a75eacd457629984334aaf6c2d190348ca88b
[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" "cab45ff8c9a73bd121fe375a653a75eacd457629984334aaf6c2d190348ca88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cab45ff8c9a73bd121fe375a653a75eacd457629984334aaf6c2d190348ca88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab45ff8c9a73bd121fe375a653a75eacd457629984334aaf6c2d190348ca88b", kill_on_drop: false }`
[INFO] [stdout] cab45ff8c9a73bd121fe375a653a75eacd457629984334aaf6c2d190348ca88b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07d4b63510d3e65a2a4e89a1cbf9a869f40575aca6782d2373d7246d2f35c38a
[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" "07d4b63510d3e65a2a4e89a1cbf9a869f40575aca6782d2373d7246d2f35c38a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling coord_2d v0.2.22
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling direction v0.17.10
[INFO] [stderr]    Compiling grid_2d v0.14.6
[INFO] [stderr]    Compiling wfc v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "07d4b63510d3e65a2a4e89a1cbf9a869f40575aca6782d2373d7246d2f35c38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d4b63510d3e65a2a4e89a1cbf9a869f40575aca6782d2373d7246d2f35c38a", kill_on_drop: false }`
[INFO] [stdout] 07d4b63510d3e65a2a4e89a1cbf9a869f40575aca6782d2373d7246d2f35c38a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 257dc97a89c5432835fb914e2c633329e75f3d74cae13248ff480935377f6d72
[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" "257dc97a89c5432835fb914e2c633329e75f3d74cae13248ff480935377f6d72", kill_on_drop: false }`
[INFO] [stderr]    Compiling wfc v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "257dc97a89c5432835fb914e2c633329e75f3d74cae13248ff480935377f6d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257dc97a89c5432835fb914e2c633329e75f3d74cae13248ff480935377f6d72", kill_on_drop: false }`
[INFO] [stdout] 257dc97a89c5432835fb914e2c633329e75f3d74cae13248ff480935377f6d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "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] 966a74cbfaf4202e83e212251695b8484d9e9d09751427043d6855632c50945d
[INFO] running `Command { std: "docker" "start" "-a" "966a74cbfaf4202e83e212251695b8484d9e9d09751427043d6855632c50945d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wfc-d725a6c83d78b359
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wfc
[INFO] [stdout] running 5 tests
[INFO] [stdout] test orientation::test::checks ... ok
[INFO] [stdout] test wrap::test::wraps ... ok
[INFO] [stdout] test overlapping::test::compatibile_patterns ... ok
[INFO] [stdout] test tiled_slice::test::tiled_grid_slice_hash ... ok
[INFO] [stdout] test tiled_slice::test::tiling ... 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 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" "966a74cbfaf4202e83e212251695b8484d9e9d09751427043d6855632c50945d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966a74cbfaf4202e83e212251695b8484d9e9d09751427043d6855632c50945d", kill_on_drop: false }`
[INFO] [stdout] 966a74cbfaf4202e83e212251695b8484d9e9d09751427043d6855632c50945d