[INFO] fetching crate md_grid 0.2.1...
[INFO] testing md_grid-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate md_grid 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate md_grid 0.2.1 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 md_grid 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate md_grid 0.2.1
[INFO] tweaked toml for crates.io crate md_grid 0.2.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f447b2b1897f8338f677a3bfe6d7295268f5bc1fe10362dd5b652f658012f140
[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" "f447b2b1897f8338f677a3bfe6d7295268f5bc1fe10362dd5b652f658012f140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f447b2b1897f8338f677a3bfe6d7295268f5bc1fe10362dd5b652f658012f140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f447b2b1897f8338f677a3bfe6d7295268f5bc1fe10362dd5b652f658012f140", kill_on_drop: false }`
[INFO] [stdout] f447b2b1897f8338f677a3bfe6d7295268f5bc1fe10362dd5b652f658012f140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4bb9235b2ad833d264e8c0906c1737a9350f9b389234eb1f758d019b86b6cc79
[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" "4bb9235b2ad833d264e8c0906c1737a9350f9b389234eb1f758d019b86b6cc79", kill_on_drop: false }`
[INFO] [stderr]    Compiling md_grid v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "4bb9235b2ad833d264e8c0906c1737a9350f9b389234eb1f758d019b86b6cc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb9235b2ad833d264e8c0906c1737a9350f9b389234eb1f758d019b86b6cc79", kill_on_drop: false }`
[INFO] [stdout] 4bb9235b2ad833d264e8c0906c1737a9350f9b389234eb1f758d019b86b6cc79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da45a75f0346b601356841a45c7df0969df03539fc761d4def00a08a7dd49ed2
[INFO] running `Command { std: "docker" "start" "-a" "da45a75f0346b601356841a45c7df0969df03539fc761d4def00a08a7dd49ed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling md_grid v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "da45a75f0346b601356841a45c7df0969df03539fc761d4def00a08a7dd49ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da45a75f0346b601356841a45c7df0969df03539fc761d4def00a08a7dd49ed2", kill_on_drop: false }`
[INFO] [stdout] da45a75f0346b601356841a45c7df0969df03539fc761d4def00a08a7dd49ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 36bcd824c6c333c2fe2aefa0340bd53a84edf9ee1bd1ff97fe07003a2403746f
[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" "36bcd824c6c333c2fe2aefa0340bd53a84edf9ee1bd1ff97fe07003a2403746f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grid-5cea76a32ed7c69b
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::grid_cols ... ok
[INFO] [stdout] test tests::grid_down_from ... ok
[INFO] [stdout] test tests::grid_eight_neighbors ... ok
[INFO] [stdout] test tests::grid_iter ... ok
[INFO] [stdout] test tests::gridpt_l1_dist ... ok
[INFO] [stdout] test tests::gridpt_component_dist ... ok
[INFO] [stdout] test tests::grid_right_from ... ok
[INFO] [stdout] test tests::grid_up_from ... ok
[INFO] [stderr]    Doc-tests grid
[INFO] [stdout] test tests::grid_rows ... ok
[INFO] [stdout] test tests::grid_left_from ... ok
[INFO] [stdout] test tests::grid_new ... ok
[INFO] [stdout] test tests::grid_new_from ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 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" "36bcd824c6c333c2fe2aefa0340bd53a84edf9ee1bd1ff97fe07003a2403746f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36bcd824c6c333c2fe2aefa0340bd53a84edf9ee1bd1ff97fe07003a2403746f", kill_on_drop: false }`
[INFO] [stdout] 36bcd824c6c333c2fe2aefa0340bd53a84edf9ee1bd1ff97fe07003a2403746f