[INFO] fetching crate containers-rs 0.5.1...
[INFO] testing containers-rs-0.5.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate containers-rs 0.5.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate containers-rs 0.5.1 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 containers-rs 0.5.1
[INFO] finished tweaking crates.io crate containers-rs 0.5.1
[INFO] tweaked toml for crates.io crate containers-rs 0.5.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 103e883d1d5c335d5b6f1b10a192746cc1d9e9dc4013bd9568c0a58d8f1528fb
[INFO] running `Command { std: "docker" "start" "-a" "103e883d1d5c335d5b6f1b10a192746cc1d9e9dc4013bd9568c0a58d8f1528fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "103e883d1d5c335d5b6f1b10a192746cc1d9e9dc4013bd9568c0a58d8f1528fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103e883d1d5c335d5b6f1b10a192746cc1d9e9dc4013bd9568c0a58d8f1528fb", kill_on_drop: false }`
[INFO] [stdout] 103e883d1d5c335d5b6f1b10a192746cc1d9e9dc4013bd9568c0a58d8f1528fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 17a7eebf57668e7fa05fbe60e1b09219c2073d1f2af54277f958f7de068d787b
[INFO] running `Command { std: "docker" "start" "-a" "17a7eebf57668e7fa05fbe60e1b09219c2073d1f2af54277f958f7de068d787b", kill_on_drop: false }`
[INFO] [stderr]    Compiling containers-rs v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "17a7eebf57668e7fa05fbe60e1b09219c2073d1f2af54277f958f7de068d787b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a7eebf57668e7fa05fbe60e1b09219c2073d1f2af54277f958f7de068d787b", kill_on_drop: false }`
[INFO] [stdout] 17a7eebf57668e7fa05fbe60e1b09219c2073d1f2af54277f958f7de068d787b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4320d54a8228dd58f09423289db0d0c1944982c84e07dccf0d6489e56ddf023a
[INFO] running `Command { std: "docker" "start" "-a" "4320d54a8228dd58f09423289db0d0c1944982c84e07dccf0d6489e56ddf023a", kill_on_drop: false }`
[INFO] [stderr]    Compiling containers-rs v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "4320d54a8228dd58f09423289db0d0c1944982c84e07dccf0d6489e56ddf023a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4320d54a8228dd58f09423289db0d0c1944982c84e07dccf0d6489e56ddf023a", kill_on_drop: false }`
[INFO] [stdout] 4320d54a8228dd58f09423289db0d0c1944982c84e07dccf0d6489e56ddf023a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 28d35f0c2ad54394740aea6065a56aefb97f58538fe0c49aceaab95663ab928f
[INFO] running `Command { std: "docker" "start" "-a" "28d35f0c2ad54394740aea6065a56aefb97f58538fe0c49aceaab95663ab928f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/containers_rs-ec822ecb20b364b6)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests containers-rs
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28d35f0c2ad54394740aea6065a56aefb97f58538fe0c49aceaab95663ab928f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d35f0c2ad54394740aea6065a56aefb97f58538fe0c49aceaab95663ab928f", kill_on_drop: false }`
[INFO] [stdout] 28d35f0c2ad54394740aea6065a56aefb97f58538fe0c49aceaab95663ab928f