[INFO] fetching crate vision 0.0.2...
[INFO] testing vision-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate vision 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vision 0.0.2 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 vision 0.0.2
[INFO] finished tweaking crates.io crate vision 0.0.2
[INFO] tweaked toml for crates.io crate vision 0.0.2 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d487fb7b17bb17163663f0eba5421bd82746da0867259760ab19a13519039528
[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" "d487fb7b17bb17163663f0eba5421bd82746da0867259760ab19a13519039528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d487fb7b17bb17163663f0eba5421bd82746da0867259760ab19a13519039528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d487fb7b17bb17163663f0eba5421bd82746da0867259760ab19a13519039528", kill_on_drop: false }`
[INFO] [stdout] d487fb7b17bb17163663f0eba5421bd82746da0867259760ab19a13519039528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0ba23ca18b8c4bee9f9725a41f73202eb46344c10344a4c8a4690b66fbff5d75
[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" "0ba23ca18b8c4bee9f9725a41f73202eb46344c10344a4c8a4690b66fbff5d75", kill_on_drop: false }`
[INFO] [stderr]    Compiling vision v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "0ba23ca18b8c4bee9f9725a41f73202eb46344c10344a4c8a4690b66fbff5d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba23ca18b8c4bee9f9725a41f73202eb46344c10344a4c8a4690b66fbff5d75", kill_on_drop: false }`
[INFO] [stdout] 0ba23ca18b8c4bee9f9725a41f73202eb46344c10344a4c8a4690b66fbff5d75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d2047808414f5bf55bec7217d824b9d79b389bcb586e5ca5a51bf9ab41ff0d8d
[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" "d2047808414f5bf55bec7217d824b9d79b389bcb586e5ca5a51bf9ab41ff0d8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling vision v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "d2047808414f5bf55bec7217d824b9d79b389bcb586e5ca5a51bf9ab41ff0d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2047808414f5bf55bec7217d824b9d79b389bcb586e5ca5a51bf9ab41ff0d8d", kill_on_drop: false }`
[INFO] [stdout] d2047808414f5bf55bec7217d824b9d79b389bcb586e5ca5a51bf9ab41ff0d8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 294d279a0417a5629bb2415320e7a8946eada6ae8e0f5ef482a60580021fe1df
[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" "294d279a0417a5629bb2415320e7a8946eada6ae8e0f5ef482a60580021fe1df", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vision-6bde6127b5b18c42
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test cifar100::tests::test_builder ... ignored
[INFO] [stdout] test cifar10::tests::test_builder ... ignored
[INFO] [stdout] test fashion_mnist::tests::test_builder ... ignored
[INFO] [stdout] test mnist::tests::test_builder ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vision
[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" "294d279a0417a5629bb2415320e7a8946eada6ae8e0f5ef482a60580021fe1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294d279a0417a5629bb2415320e7a8946eada6ae8e0f5ef482a60580021fe1df", kill_on_drop: false }`
[INFO] [stdout] 294d279a0417a5629bb2415320e7a8946eada6ae8e0f5ef482a60580021fe1df