[INFO] fetching crate x328-proto 0.2.0...
[INFO] checking x328-proto-0.2.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate x328-proto 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate x328-proto 0.2.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x328-proto 0.2.0
[INFO] finished tweaking crates.io crate x328-proto 0.2.0
[INFO] tweaked toml for crates.io crate x328-proto 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate x328-proto 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded serialport v4.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cae9e21c4287c8ce9b0807fed09c70d2aa3f1ab9b7791f6211da3516894a7780
[INFO] running `Command { std: "docker" "start" "-a" "cae9e21c4287c8ce9b0807fed09c70d2aa3f1ab9b7791f6211da3516894a7780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cae9e21c4287c8ce9b0807fed09c70d2aa3f1ab9b7791f6211da3516894a7780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae9e21c4287c8ce9b0807fed09c70d2aa3f1ab9b7791f6211da3516894a7780", kill_on_drop: false }`
[INFO] [stdout] cae9e21c4287c8ce9b0807fed09c70d2aa3f1ab9b7791f6211da3516894a7780
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d3635bbeaeb88ebc74f826e238221130e4cca7ec9a22cc62af95097feec332f
[INFO] running `Command { std: "docker" "start" "-a" "1d3635bbeaeb88ebc74f826e238221130e4cca7ec9a22cc62af95097feec332f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking x328-proto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/chat.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |     Node(NodeEvent),
[INFO] [stdout]    |     ---- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 74 |     Node(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "1d3635bbeaeb88ebc74f826e238221130e4cca7ec9a22cc62af95097feec332f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3635bbeaeb88ebc74f826e238221130e4cca7ec9a22cc62af95097feec332f", kill_on_drop: false }`
[INFO] [stdout] 1d3635bbeaeb88ebc74f826e238221130e4cca7ec9a22cc62af95097feec332f