[INFO] cloning repository https://github.com/Czichy/power-meter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Czichy/power-meter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCzichy%2Fpower-meter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCzichy%2Fpower-meter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f507e967bf377f9279490bf8c27d38a308c0d86d
[INFO] building Czichy/power-meter against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCzichy%2Fpower-meter" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Czichy/power-meter
[INFO] finished tweaking git repo https://github.com/Czichy/power-meter
[INFO] tweaked toml for git repo https://github.com/Czichy/power-meter written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Czichy/power-meter on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Czichy/power-meter 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling clap v4.5.22
[INFO] [stderr]    Compiling futures-executor v0.3.31
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[INFO] [stderr]    Compiling axum-core v0.4.5
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[INFO] [stderr]    Compiling power-meter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `clap::Command`
[INFO] [stdout]  --> src/cli/root_command.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::Utc`
[INFO] [stdout]  --> src/cli/start.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::Utc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/cli/root_command.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Commands::ListPorts(command) => Ok(()), // command.run().await,
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meter_reading.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     let mut to_process = buf.to_vec();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reading`
[INFO] [stdout]   --> src/server/gauge.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Some(reading) => 
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reading`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]  --> src/cli/ports.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl ListPortsCommand {
[INFO] [stdout]   | --------------------- method in this implementation
[INFO] [stdout] 8 |     pub fn run(self) -> Result<(), Error> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidLastByte` is never constructed
[INFO] [stdout]    --> src/obis_code.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub enum ObisParseError {
[INFO] [stdout]     |          -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 132 |     InvalidLastByte,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ObisParseError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]   --> src/server/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Server {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `enter` are never used
[INFO] [stdout]   --> src/server/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Server {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn create(port: u16, latest_reading_cell: Arc<AtomicCell<Option<MeterReading>>>) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn enter(self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handler` is never used
[INFO] [stdout]  --> src/server/gauge.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn handler(latest_reading_cell: Arc<AtomicCell<Option<MeterReading>>>) -> Response {
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handler` is never used
[INFO] [stdout]  --> src/server/now.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn handler(latest_reading_cell: Arc<AtomicCell<Option<MeterReading>>>) -> Response {
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_handler` is never used
[INFO] [stdout]  --> src/server/root.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn get_handler() -> Response {
[INFO] [stdout]   |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/meter_reading.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |             emit_message(&mut decoder, &buf[..n], tx.clone()).await;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 339 |             let _ = emit_message(&mut decoder, &buf[..n], tx.clone()).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "1a5224ac01e84f868544c2e8ad628ab4ca7739e5596b1a9a9ac335489eec7923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5224ac01e84f868544c2e8ad628ab4ca7739e5596b1a9a9ac335489eec7923", kill_on_drop: false }`
[INFO] [stdout] 1a5224ac01e84f868544c2e8ad628ab4ca7739e5596b1a9a9ac335489eec7923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fd3b9f50cb34f3a146a52c15f2b4e14fbc241fb454727aeb5bdcca9bb7022a1
[INFO] running `Command { std: "docker" "start" "-a" "8fd3b9f50cb34f3a146a52c15f2b4e14fbc241fb454727aeb5bdcca9bb7022a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling power-meter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `clap::Command`
[INFO] [stdout]  --> src/cli/root_command.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::Utc`
[INFO] [stdout]  --> src/cli/start.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::Utc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/cli/root_command.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Commands::ListPorts(command) => Ok(()), // command.run().await,
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meter_reading.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     let mut to_process = buf.to_vec();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reading`
[INFO] [stdout]   --> src/server/gauge.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Some(reading) => 
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reading`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]  --> src/cli/ports.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl ListPortsCommand {
[INFO] [stdout]   | --------------------- method in this implementation
[INFO] [stdout] 8 |     pub fn run(self) -> Result<(), Error> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidLastByte` is never constructed
[INFO] [stdout]    --> src/obis_code.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub enum ObisParseError {
[INFO] [stdout]     |          -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 132 |     InvalidLastByte,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ObisParseError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]   --> src/server/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Server {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `enter` are never used
[INFO] [stdout]   --> src/server/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Server {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn create(port: u16, latest_reading_cell: Arc<AtomicCell<Option<MeterReading>>>) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn enter(self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handler` is never used
[INFO] [stdout]  --> src/server/gauge.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn handler(latest_reading_cell: Arc<AtomicCell<Option<MeterReading>>>) -> Response {
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handler` is never used
[INFO] [stdout]  --> src/server/now.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn handler(latest_reading_cell: Arc<AtomicCell<Option<MeterReading>>>) -> Response {
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_handler` is never used
[INFO] [stdout]  --> src/server/root.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn get_handler() -> Response {
[INFO] [stdout]   |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/meter_reading.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |             emit_message(&mut decoder, &buf[..n], tx.clone()).await;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 339 |             let _ = emit_message(&mut decoder, &buf[..n], tx.clone()).await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "8fd3b9f50cb34f3a146a52c15f2b4e14fbc241fb454727aeb5bdcca9bb7022a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd3b9f50cb34f3a146a52c15f2b4e14fbc241fb454727aeb5bdcca9bb7022a1", kill_on_drop: false }`
[INFO] [stdout] 8fd3b9f50cb34f3a146a52c15f2b4e14fbc241fb454727aeb5bdcca9bb7022a1