[INFO] fetching crate prototty_test_grid 0.29.0...
[INFO] testing prototty_test_grid-0.29.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate prototty_test_grid 0.29.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate prototty_test_grid 0.29.0 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 prototty_test_grid 0.29.0
[INFO] finished tweaking crates.io crate prototty_test_grid 0.29.0
[INFO] tweaked toml for crates.io crate prototty_test_grid 0.29.0 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6443a83e9dce54ac3dc6113d3bf09b54f672b508062dec068603d54cbc6129f
[INFO] running `Command { std: "docker" "start" "-a" "d6443a83e9dce54ac3dc6113d3bf09b54f672b508062dec068603d54cbc6129f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6443a83e9dce54ac3dc6113d3bf09b54f672b508062dec068603d54cbc6129f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6443a83e9dce54ac3dc6113d3bf09b54f672b508062dec068603d54cbc6129f", kill_on_drop: false }`
[INFO] [stdout] d6443a83e9dce54ac3dc6113d3bf09b54f672b508062dec068603d54cbc6129f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aed5fc040598e6d5a54a174e3ab8028cc4ed5b7ff08ef90d359852b2c6c6da69
[INFO] running `Command { std: "docker" "start" "-a" "aed5fc040598e6d5a54a174e3ab8028cc4ed5b7ff08ef90d359852b2c6c6da69", kill_on_drop: false }`
[INFO] [stderr]    Compiling coord_2d v0.2.25
[INFO] [stderr]    Compiling rgb24 v0.2.9
[INFO] [stderr]    Compiling grid_2d v0.14.7
[INFO] [stderr]    Compiling prototty_render v0.29.0
[INFO] [stderr]    Compiling prototty_test_grid v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "aed5fc040598e6d5a54a174e3ab8028cc4ed5b7ff08ef90d359852b2c6c6da69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed5fc040598e6d5a54a174e3ab8028cc4ed5b7ff08ef90d359852b2c6c6da69", kill_on_drop: false }`
[INFO] [stdout] aed5fc040598e6d5a54a174e3ab8028cc4ed5b7ff08ef90d359852b2c6c6da69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2c3b60f6c5517a3945994aba593b3b15f48daf229a09c54e8af749a5c3e5ec56
[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" "2c3b60f6c5517a3945994aba593b3b15f48daf229a09c54e8af749a5c3e5ec56", kill_on_drop: false }`
[INFO] [stderr]    Compiling prototty_test_grid v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "2c3b60f6c5517a3945994aba593b3b15f48daf229a09c54e8af749a5c3e5ec56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3b60f6c5517a3945994aba593b3b15f48daf229a09c54e8af749a5c3e5ec56", kill_on_drop: false }`
[INFO] [stdout] 2c3b60f6c5517a3945994aba593b3b15f48daf229a09c54e8af749a5c3e5ec56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bdd19b6cb343b5d045b550e85e2aab052b2dfc21069a3f3315d32eba50ccd66d
[INFO] running `Command { std: "docker" "start" "-a" "bdd19b6cb343b5d045b550e85e2aab052b2dfc21069a3f3315d32eba50ccd66d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prototty_test_grid-1c013a56bed24f27)
[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] [stderr]    Doc-tests prototty_test_grid
[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" "bdd19b6cb343b5d045b550e85e2aab052b2dfc21069a3f3315d32eba50ccd66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd19b6cb343b5d045b550e85e2aab052b2dfc21069a3f3315d32eba50ccd66d", kill_on_drop: false }`
[INFO] [stdout] bdd19b6cb343b5d045b550e85e2aab052b2dfc21069a3f3315d32eba50ccd66d