[INFO] fetching crate packet 0.1.4...
[INFO] testing packet-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate packet 0.1.4 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate packet 0.1.4 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 packet 0.1.4
[INFO] finished tweaking crates.io crate packet 0.1.4
[INFO] tweaked toml for crates.io crate packet 0.1.4 written to /workspace/builds/worker-103/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]  Downloading crates ...
[INFO] [stderr]   Downloaded hwaddr v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 641167026b65fd6ea308a92aa11296e4e276315e1f23e2c5ac5797512c66c35a
[INFO] running `Command { std: "docker" "start" "-a" "641167026b65fd6ea308a92aa11296e4e276315e1f23e2c5ac5797512c66c35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "641167026b65fd6ea308a92aa11296e4e276315e1f23e2c5ac5797512c66c35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641167026b65fd6ea308a92aa11296e4e276315e1f23e2c5ac5797512c66c35a", kill_on_drop: false }`
[INFO] [stdout] 641167026b65fd6ea308a92aa11296e4e276315e1f23e2c5ac5797512c66c35a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] c349d01964358a9bc21b6853e671be1587fe40862c83b1e010ca97fb8658fa36
[INFO] running `Command { std: "docker" "start" "-a" "c349d01964358a9bc21b6853e671be1587fe40862c83b1e010ca97fb8658fa36", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling hwaddr v0.1.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling packet v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/ip/v6/builder.rs:24:2
[INFO] [stdout]    |
[INFO] [stdout] 24 |     buffer:    B,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "c349d01964358a9bc21b6853e671be1587fe40862c83b1e010ca97fb8658fa36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c349d01964358a9bc21b6853e671be1587fe40862c83b1e010ca97fb8658fa36", kill_on_drop: false }`
[INFO] [stdout] c349d01964358a9bc21b6853e671be1587fe40862c83b1e010ca97fb8658fa36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 5f096f16d48e0a35219269ed649a1a130c9d7d16eb05aa0d2a11debe2966bb90
[INFO] running `Command { std: "docker" "start" "-a" "5f096f16d48e0a35219269ed649a1a130c9d7d16eb05aa0d2a11debe2966bb90", kill_on_drop: false }`
[INFO] [stderr]    Compiling packet v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/ip/v6/builder.rs:24:2
[INFO] [stdout]    |
[INFO] [stdout] 24 |     buffer:    B,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/ip/v6/builder.rs:24:2
[INFO] [stdout]    |
[INFO] [stdout] 24 |     buffer:    B,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "5f096f16d48e0a35219269ed649a1a130c9d7d16eb05aa0d2a11debe2966bb90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f096f16d48e0a35219269ed649a1a130c9d7d16eb05aa0d2a11debe2966bb90", kill_on_drop: false }`
[INFO] [stdout] 5f096f16d48e0a35219269ed649a1a130c9d7d16eb05aa0d2a11debe2966bb90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] e7b2471a86235c75753a50e57b1d228bb9b26cde7e162d1f75e8517f4a099658
[INFO] running `Command { std: "docker" "start" "-a" "e7b2471a86235c75753a50e57b1d228bb9b26cde7e162d1f75e8517f4a099658", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `buffer`
[INFO] [stderr]   --> src/ip/v6/builder.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     buffer:    B,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `packet` (lib) generated 1 warning
[INFO] [stderr] warning: `packet` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/packet-20eed3ceb54171b7)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test ether::builder::test::simple ... ok
[INFO] [stdout] test ether::packet::test::values ... ok
[INFO] [stdout] test ip::v4::packet::test::mutable_checked ... ok
[INFO] [stdout] test ip::v4::packet::test::short_packet ... ok
[INFO] [stdout] test ip::v4::packet::test::values ... ok
[INFO] [stdout] test ip::v4::packet::test::owned ... ok
[INFO] [stdout] test ip::v4::builder::test::icmp ... ok
[INFO] [stdout] test tcp::builder::test::simple ... ok
[INFO] [stdout] test ip::v4::packet::test::mutable ... ok
[INFO] [stdout] test ip::v4::builder::test::tcp ... ok
[INFO] [stdout] test icmp::builder::test::simple ... ok
[INFO] [stdout] test tcp::packet::test::mutable ... ok
[INFO] [stdout] test udp::builder::test::simple ... ok
[INFO] [stdout] test udp::packet::test::mutable ... ok
[INFO] [stdout] test udp::packet::test::values ... ok
[INFO] [stdout] test tcp::packet::test::mutable_checked ... ok
[INFO] [stdout] test udp::packet::test::mutable_checked ... ok
[INFO] [stderr]    Doc-tests packet
[INFO] [stdout] test tcp::packet::test::values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/packet.rs - packet::AsPacketMut (line 71) ... ok
[INFO] [stdout] test src/buffer/mod.rs - buffer::Buffer (line 25) ... ok
[INFO] [stdout] test src/packet.rs - packet::AsPacket (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7b2471a86235c75753a50e57b1d228bb9b26cde7e162d1f75e8517f4a099658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b2471a86235c75753a50e57b1d228bb9b26cde7e162d1f75e8517f4a099658", kill_on_drop: false }`
[INFO] [stdout] e7b2471a86235c75753a50e57b1d228bb9b26cde7e162d1f75e8517f4a099658