[INFO] cloning repository https://github.com/LiptonB/nettap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiptonB/nettap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiptonB%2Fnettap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiptonB%2Fnettap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75cec1573fc843e3441d43a96904b809448932e7
[INFO] checking LiptonB/nettap against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiptonB%2Fnettap" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LiptonB/nettap on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LiptonB/nettap
[INFO] finished tweaking git repo https://github.com/LiptonB/nettap
[INFO] tweaked toml for git repo https://github.com/LiptonB/nettap written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LiptonB/nettap 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 553e9c63c2b050898725e1c92a86da5b2e7e716b073f09980581be8b610154ac
[INFO] running `Command { std: "docker" "start" "-a" "553e9c63c2b050898725e1c92a86da5b2e7e716b073f09980581be8b610154ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "553e9c63c2b050898725e1c92a86da5b2e7e716b073f09980581be8b610154ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553e9c63c2b050898725e1c92a86da5b2e7e716b073f09980581be8b610154ac", kill_on_drop: false }`
[INFO] [stdout] 553e9c63c2b050898725e1c92a86da5b2e7e716b073f09980581be8b610154ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfb456836fc71f4d6d0982a6f445fd74ed3f85ca746010765db37dbef9c4ba7f
[INFO] running `Command { std: "docker" "start" "-a" "bfb456836fc71f4d6d0982a6f445fd74ed3f85ca746010765db37dbef9c4ba7f", kill_on_drop: false }`
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[INFO] [stderr]     Checking nettap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TokioConnection` is never constructed
[INFO] [stdout]    --> src/connection/tokio_connection.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub struct TokioConnection<R, W>
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConnectionData` is never constructed
[INFO] [stdout]    --> src/connection/tokio_connection.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub struct ConnectionData {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]    --> src/connection/tokio_connection.rs:121:16
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     impl<R, W> TokioConnection<R, W>
[INFO] [stdout] 117 | |     where
[INFO] [stdout] 118 | |         R: AsyncRead + Unpin,
[INFO] [stdout] 119 | |         W: AsyncWrite + Unpin,
[INFO] [stdout]     | |______________________________- associated items in this implementation
[INFO] [stdout] 120 |       {
[INFO] [stdout] 121 |           pub fn new(reader: R, writer: W) -> (Self, ConnectionData) {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |           pub async fn run(mut self) -> Result<()> {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokioConnection` is never constructed
[INFO] [stdout]    --> src/connection/tokio_connection.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub struct TokioConnection<R, W>
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConnectionData` is never constructed
[INFO] [stdout]    --> src/connection/tokio_connection.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub struct ConnectionData {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]    --> src/connection/tokio_connection.rs:121:16
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     impl<R, W> TokioConnection<R, W>
[INFO] [stdout] 117 | |     where
[INFO] [stdout] 118 | |         R: AsyncRead + Unpin,
[INFO] [stdout] 119 | |         W: AsyncWrite + Unpin,
[INFO] [stdout]     | |______________________________- associated items in this implementation
[INFO] [stdout] 120 |       {
[INFO] [stdout] 121 |           pub fn new(reader: R, writer: W) -> (Self, ConnectionData) {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |           pub async fn run(mut self) -> Result<()> {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "bfb456836fc71f4d6d0982a6f445fd74ed3f85ca746010765db37dbef9c4ba7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb456836fc71f4d6d0982a6f445fd74ed3f85ca746010765db37dbef9c4ba7f", kill_on_drop: false }`
[INFO] [stdout] bfb456836fc71f4d6d0982a6f445fd74ed3f85ca746010765db37dbef9c4ba7f