[INFO] fetching crate pnet_base 0.28.0...
[INFO] testing pnet_base-0.28.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pnet_base 0.28.0 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate pnet_base 0.28.0 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 pnet_base 0.28.0
[INFO] finished tweaking crates.io crate pnet_base 0.28.0
[INFO] tweaked toml for crates.io crate pnet_base 0.28.0 written to /workspace/builds/worker-58/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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 8bc92a6f58e661c26825ff840a547f599cd81f13ed649d0c8a5b3fdd40d3a9a6
[INFO] running `Command { std: "docker" "start" "-a" "8bc92a6f58e661c26825ff840a547f599cd81f13ed649d0c8a5b3fdd40d3a9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bc92a6f58e661c26825ff840a547f599cd81f13ed649d0c8a5b3fdd40d3a9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc92a6f58e661c26825ff840a547f599cd81f13ed649d0c8a5b3fdd40d3a9a6", kill_on_drop: false }`
[INFO] [stdout] 8bc92a6f58e661c26825ff840a547f599cd81f13ed649d0c8a5b3fdd40d3a9a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 55aa1ca8e76a50e5317b2d5ef6607e1cb24893a29fdb24c163a33cfeebc93f25
[INFO] running `Command { std: "docker" "start" "-a" "55aa1ca8e76a50e5317b2d5ef6607e1cb24893a29fdb24c163a33cfeebc93f25", kill_on_drop: false }`
[INFO] [stderr]    Compiling pnet_base v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "55aa1ca8e76a50e5317b2d5ef6607e1cb24893a29fdb24c163a33cfeebc93f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55aa1ca8e76a50e5317b2d5ef6607e1cb24893a29fdb24c163a33cfeebc93f25", kill_on_drop: false }`
[INFO] [stdout] 55aa1ca8e76a50e5317b2d5ef6607e1cb24893a29fdb24c163a33cfeebc93f25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 84d18b71d3ea73cbcf60a489aafbbce4be59e2b1454c1cc389c99ff9ad8c8ed1
[INFO] running `Command { std: "docker" "start" "-a" "84d18b71d3ea73cbcf60a489aafbbce4be59e2b1454c1cc389c99ff9ad8c8ed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stderr]    Compiling pnet_base v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "84d18b71d3ea73cbcf60a489aafbbce4be59e2b1454c1cc389c99ff9ad8c8ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d18b71d3ea73cbcf60a489aafbbce4be59e2b1454c1cc389c99ff9ad8c8ed1", kill_on_drop: false }`
[INFO] [stdout] 84d18b71d3ea73cbcf60a489aafbbce4be59e2b1454c1cc389c99ff9ad8c8ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 19de0fee8f3873626d2cd28de40ece7d586e67fad9c360631dfdc119ce814f0f
[INFO] running `Command { std: "docker" "start" "-a" "19de0fee8f3873626d2cd28de40ece7d586e67fad9c360631dfdc119ce814f0f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pnet_base-58ea3b2038fe5426)
[INFO] [stdout] running 5 tests
[INFO] [stderr]    Doc-tests pnet_base
[INFO] [stdout] test macaddr::tests::convertion ... ok
[INFO] [stdout] test macaddr::tests::str_from_mac_addr ... ok
[INFO] [stdout] test macaddr::tests::fixed_size_slice_from_mac_addr ... ok
[INFO] [stdout] test macaddr::tests::mac_addr_from_str ... ok
[INFO] [stdout] test macaddr::tests::type_of_addr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "19de0fee8f3873626d2cd28de40ece7d586e67fad9c360631dfdc119ce814f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19de0fee8f3873626d2cd28de40ece7d586e67fad9c360631dfdc119ce814f0f", kill_on_drop: false }`
[INFO] [stdout] 19de0fee8f3873626d2cd28de40ece7d586e67fad9c360631dfdc119ce814f0f