[INFO] fetching crate rustarium 0.1.3...
[INFO] testing rustarium-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rustarium 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustarium 0.1.3 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 rustarium 0.1.3
[INFO] finished tweaking crates.io crate rustarium 0.1.3
[INFO] tweaked toml for crates.io crate rustarium 0.1.3 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] cfb278c74a4bd17ec8224a6aa454f56a0b82e7711b081d856e915cce3048be9e
[INFO] running `Command { std: "docker" "start" "-a" "cfb278c74a4bd17ec8224a6aa454f56a0b82e7711b081d856e915cce3048be9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfb278c74a4bd17ec8224a6aa454f56a0b82e7711b081d856e915cce3048be9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb278c74a4bd17ec8224a6aa454f56a0b82e7711b081d856e915cce3048be9e", kill_on_drop: false }`
[INFO] [stdout] cfb278c74a4bd17ec8224a6aa454f56a0b82e7711b081d856e915cce3048be9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 92b6d227a603e1b338d07c111221bc37d8bfb1999c49932887f0889194d8b2eb
[INFO] running `Command { std: "docker" "start" "-a" "92b6d227a603e1b338d07c111221bc37d8bfb1999c49932887f0889194d8b2eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling local-ip v0.1.0
[INFO] [stderr]    Compiling rustarium v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "92b6d227a603e1b338d07c111221bc37d8bfb1999c49932887f0889194d8b2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b6d227a603e1b338d07c111221bc37d8bfb1999c49932887f0889194d8b2eb", kill_on_drop: false }`
[INFO] [stdout] 92b6d227a603e1b338d07c111221bc37d8bfb1999c49932887f0889194d8b2eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] aba359d1ce0d83f29d958eb5c70a646c75f1147fd3ba98a15b9f7c440a93dd5d
[INFO] running `Command { std: "docker" "start" "-a" "aba359d1ce0d83f29d958eb5c70a646c75f1147fd3ba98a15b9f7c440a93dd5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustarium v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "aba359d1ce0d83f29d958eb5c70a646c75f1147fd3ba98a15b9f7c440a93dd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba359d1ce0d83f29d958eb5c70a646c75f1147fd3ba98a15b9f7c440a93dd5d", kill_on_drop: false }`
[INFO] [stdout] aba359d1ce0d83f29d958eb5c70a646c75f1147fd3ba98a15b9f7c440a93dd5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b9ae2b61b83d51965498fcbff39550aed6f94a31f8165a79ed4f36465185cc4f
[INFO] running `Command { std: "docker" "start" "-a" "b9ae2b61b83d51965498fcbff39550aed6f94a31f8165a79ed4f36465185cc4f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustarium-c5cc36a9a874b2d6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustarium
[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] [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" "b9ae2b61b83d51965498fcbff39550aed6f94a31f8165a79ed4f36465185cc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ae2b61b83d51965498fcbff39550aed6f94a31f8165a79ed4f36465185cc4f", kill_on_drop: false }`
[INFO] [stdout] b9ae2b61b83d51965498fcbff39550aed6f94a31f8165a79ed4f36465185cc4f