[INFO] fetching crate zoo 0.0.0...
[INFO] testing zoo-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate zoo 0.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate zoo 0.0.0 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 zoo 0.0.0
[INFO] finished tweaking crates.io crate zoo 0.0.0
[INFO] tweaked toml for crates.io crate zoo 0.0.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3a9f7ba58045b25e8e1f2c312d857b9befe872cfe4ab60ae2a65ca7e035bf4f7
[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" "3a9f7ba58045b25e8e1f2c312d857b9befe872cfe4ab60ae2a65ca7e035bf4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a9f7ba58045b25e8e1f2c312d857b9befe872cfe4ab60ae2a65ca7e035bf4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9f7ba58045b25e8e1f2c312d857b9befe872cfe4ab60ae2a65ca7e035bf4f7", kill_on_drop: false }`
[INFO] [stdout] 3a9f7ba58045b25e8e1f2c312d857b9befe872cfe4ab60ae2a65ca7e035bf4f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01229cb5414fb5417ca5aa0b7b3fdc681b049e1d21fa6b8cbf6a99385f2be854
[INFO] running `Command { std: "docker" "start" "-a" "01229cb5414fb5417ca5aa0b7b3fdc681b049e1d21fa6b8cbf6a99385f2be854", kill_on_drop: false }`
[INFO] [stderr]    Compiling zoo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "01229cb5414fb5417ca5aa0b7b3fdc681b049e1d21fa6b8cbf6a99385f2be854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01229cb5414fb5417ca5aa0b7b3fdc681b049e1d21fa6b8cbf6a99385f2be854", kill_on_drop: false }`
[INFO] [stdout] 01229cb5414fb5417ca5aa0b7b3fdc681b049e1d21fa6b8cbf6a99385f2be854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d09a901a2e455c6c50b5578f2598f44c4b940d11c505062704bf9809a1f77005
[INFO] running `Command { std: "docker" "start" "-a" "d09a901a2e455c6c50b5578f2598f44c4b940d11c505062704bf9809a1f77005", kill_on_drop: false }`
[INFO] [stderr]    Compiling zoo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "d09a901a2e455c6c50b5578f2598f44c4b940d11c505062704bf9809a1f77005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09a901a2e455c6c50b5578f2598f44c4b940d11c505062704bf9809a1f77005", kill_on_drop: false }`
[INFO] [stdout] d09a901a2e455c6c50b5578f2598f44c4b940d11c505062704bf9809a1f77005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abf374b7c51b1533fa3c0c4e57d8249ba7d268f7229bef6b6f55cdafd3faad68
[INFO] running `Command { std: "docker" "start" "-a" "abf374b7c51b1533fa3c0c4e57d8249ba7d268f7229bef6b6f55cdafd3faad68", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zoo-d5697af13251ff71
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "abf374b7c51b1533fa3c0c4e57d8249ba7d268f7229bef6b6f55cdafd3faad68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf374b7c51b1533fa3c0c4e57d8249ba7d268f7229bef6b6f55cdafd3faad68", kill_on_drop: false }`
[INFO] [stdout] abf374b7c51b1533fa3c0c4e57d8249ba7d268f7229bef6b6f55cdafd3faad68