[INFO] fetching crate dust-network 0.2.0...
[INFO] testing dust-network-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dust-network 0.2.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate dust-network 0.2.0 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 dust-network 0.2.0
[INFO] finished tweaking crates.io crate dust-network 0.2.0
[INFO] tweaked toml for crates.io crate dust-network 0.2.0 written to /workspace/builds/worker-30/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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 0c7a163b904b92f946dc9f9672f1f54cb6280ad59dbb34c4327781130dd8fa50
[INFO] running `Command { std: "docker" "start" "-a" "0c7a163b904b92f946dc9f9672f1f54cb6280ad59dbb34c4327781130dd8fa50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c7a163b904b92f946dc9f9672f1f54cb6280ad59dbb34c4327781130dd8fa50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7a163b904b92f946dc9f9672f1f54cb6280ad59dbb34c4327781130dd8fa50", kill_on_drop: false }`
[INFO] [stdout] 0c7a163b904b92f946dc9f9672f1f54cb6280ad59dbb34c4327781130dd8fa50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 066b24cc7499f42bb3613d48c5fde6e303256f98327d4583574c49618526fd28
[INFO] running `Command { std: "docker" "start" "-a" "066b24cc7499f42bb3613d48c5fde6e303256f98327d4583574c49618526fd28", kill_on_drop: false }`
[INFO] [stderr]    Compiling dust-network v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "066b24cc7499f42bb3613d48c5fde6e303256f98327d4583574c49618526fd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066b24cc7499f42bb3613d48c5fde6e303256f98327d4583574c49618526fd28", kill_on_drop: false }`
[INFO] [stdout] 066b24cc7499f42bb3613d48c5fde6e303256f98327d4583574c49618526fd28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 8e46b7d6836cdd55a87f68e28c9d7ffad40f2c7bd088b9acbae6e6308b822fb1
[INFO] running `Command { std: "docker" "start" "-a" "8e46b7d6836cdd55a87f68e28c9d7ffad40f2c7bd088b9acbae6e6308b822fb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling dust-network v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "8e46b7d6836cdd55a87f68e28c9d7ffad40f2c7bd088b9acbae6e6308b822fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e46b7d6836cdd55a87f68e28c9d7ffad40f2c7bd088b9acbae6e6308b822fb1", kill_on_drop: false }`
[INFO] [stdout] 8e46b7d6836cdd55a87f68e28c9d7ffad40f2c7bd088b9acbae6e6308b822fb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 2e0915e207d23eb13d670398e7ac43413d040ccc79e6a141232c8f7bae48ec76
[INFO] running `Command { std: "docker" "start" "-a" "2e0915e207d23eb13d670398e7ac43413d040ccc79e6a141232c8f7bae48ec76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dust_network-ae5367c6d87ec574)
[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 dust-network
[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" "2e0915e207d23eb13d670398e7ac43413d040ccc79e6a141232c8f7bae48ec76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0915e207d23eb13d670398e7ac43413d040ccc79e6a141232c8f7bae48ec76", kill_on_drop: false }`
[INFO] [stdout] 2e0915e207d23eb13d670398e7ac43413d040ccc79e6a141232c8f7bae48ec76