[INFO] fetching crate prototty_grid 0.27.0...
[INFO] testing prototty_grid-0.27.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate prototty_grid 0.27.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate prototty_grid 0.27.0 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 prototty_grid 0.27.0
[INFO] finished tweaking crates.io crate prototty_grid 0.27.0
[INFO] tweaked toml for crates.io crate prototty_grid 0.27.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 76bb1b2a1ad6768b8f2a1c1782f781532cbaf9ab9d5202948a1f92e6af38f4b4
[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" "76bb1b2a1ad6768b8f2a1c1782f781532cbaf9ab9d5202948a1f92e6af38f4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76bb1b2a1ad6768b8f2a1c1782f781532cbaf9ab9d5202948a1f92e6af38f4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bb1b2a1ad6768b8f2a1c1782f781532cbaf9ab9d5202948a1f92e6af38f4b4", kill_on_drop: false }`
[INFO] [stdout] 76bb1b2a1ad6768b8f2a1c1782f781532cbaf9ab9d5202948a1f92e6af38f4b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 049e78327c741ceb79ab1c9f914a7196b2d393425c1bef6db0c9a277f5d1c8d9
[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" "049e78327c741ceb79ab1c9f914a7196b2d393425c1bef6db0c9a277f5d1c8d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling grid_2d v0.12.5
[INFO] [stderr]    Compiling prototty_grid v0.27.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "049e78327c741ceb79ab1c9f914a7196b2d393425c1bef6db0c9a277f5d1c8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049e78327c741ceb79ab1c9f914a7196b2d393425c1bef6db0c9a277f5d1c8d9", kill_on_drop: false }`
[INFO] [stdout] 049e78327c741ceb79ab1c9f914a7196b2d393425c1bef6db0c9a277f5d1c8d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 304dffd2c7a607d9ec2d95c53624bc298d4c3df7cde83ed0617c7d5d5fc34d47
[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" "304dffd2c7a607d9ec2d95c53624bc298d4c3df7cde83ed0617c7d5d5fc34d47", kill_on_drop: false }`
[INFO] [stderr]    Compiling prototty_grid v0.27.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "304dffd2c7a607d9ec2d95c53624bc298d4c3df7cde83ed0617c7d5d5fc34d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304dffd2c7a607d9ec2d95c53624bc298d4c3df7cde83ed0617c7d5d5fc34d47", kill_on_drop: false }`
[INFO] [stdout] 304dffd2c7a607d9ec2d95c53624bc298d4c3df7cde83ed0617c7d5d5fc34d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a2361da9bef1bdf47fcc727db75df16be5b16623d44e41bc96adf13294d65a54
[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" "a2361da9bef1bdf47fcc727db75df16be5b16623d44e41bc96adf13294d65a54", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prototty_grid-af3c1635c2318013
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prototty_grid
[INFO] [stdout] test result: ok. 0 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" "a2361da9bef1bdf47fcc727db75df16be5b16623d44e41bc96adf13294d65a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2361da9bef1bdf47fcc727db75df16be5b16623d44e41bc96adf13294d65a54", kill_on_drop: false }`
[INFO] [stdout] a2361da9bef1bdf47fcc727db75df16be5b16623d44e41bc96adf13294d65a54