[INFO] fetching crate modbus-exporter 0.1.2...
[INFO] checking modbus-exporter-0.1.2 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate modbus-exporter 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate modbus-exporter 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate modbus-exporter 0.1.2
[INFO] tweaked toml for crates.io crate modbus-exporter 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-exporter 0.1.2 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modbus-exporter 0.1.2 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:99:1
[INFO] [stderr]    |
[INFO] [stderr] 99 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:95:12
[INFO] [stderr]     |
[INFO] [stderr]  95 | homepage = "https://github.com/r12f/modbus-exporter"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 | repository = "https://github.com/r12f/modbus-exporter"
[INFO] [stderr]     |              -----------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `modbus-exporter` (manifest) generated 2 warnings
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-modbus v0.14.0
[INFO] [stderr]   Downloaded opentelemetry v0.27.1
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.27.0
[INFO] [stderr]   Downloaded prometheus-client v0.23.1
[INFO] [stderr]   Downloaded opentelemetry-proto v0.27.0
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.27.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] db45dcd9da34b305fe6410c3e6b28de72613dc33bf561d8d8da20a7242b3e525
[INFO] running `Command { std: "docker" "start" "db45dcd9da34b305fe6410c3e6b28de72613dc33bf561d8d8da20a7242b3e525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db45dcd9da34b305fe6410c3e6b28de72613dc33bf561d8d8da20a7242b3e525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db45dcd9da34b305fe6410c3e6b28de72613dc33bf561d8d8da20a7242b3e525" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db45dcd9da34b305fe6410c3e6b28de72613dc33bf561d8d8da20a7242b3e525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db45dcd9da34b305fe6410c3e6b28de72613dc33bf561d8d8da20a7242b3e525" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:99:1
[INFO] [stderr]    |
[INFO] [stderr] 99 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:95:12
[INFO] [stderr]     |
[INFO] [stderr]  95 | homepage = "https://github.com/r12f/modbus-exporter"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 | repository = "https://github.com/r12f/modbus-exporter"
[INFO] [stderr]     |              -----------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `modbus-exporter` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking unescaper v0.1.8
[INFO] [stderr]     Checking opentelemetry v0.27.1
[INFO] [stderr]    Compiling prometheus-client v0.23.1
[INFO] [stderr]     Checking iri-string v0.7.11
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]     Checking dtoa v1.0.11
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking pin-project v1.1.11
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking prost v0.13.5
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking serialport v4.9.0
[INFO] [stderr]     Checking mio-serial v5.0.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking opentelemetry_sdk v0.27.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking rustls-webpki v0.103.10
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking tokio-stream v0.1.18
[INFO] [stderr]     Checking tokio-serial v5.4.5
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking tower-http v0.6.8
[INFO] [stderr]     Checking h2 v0.4.13
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-modbus v0.14.0
[INFO] [stderr]     Checking tokio-rustls v0.26.4
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking axum v0.8.8
[INFO] [stderr]     Checking reqwest v0.12.28
[INFO] [stderr]     Checking tonic v0.12.3
[INFO] [stderr]     Checking opentelemetry-proto v0.27.0
[INFO] [stderr]     Checking opentelemetry-otlp v0.27.0
[INFO] [stderr]     Checking modbus-exporter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/config_tests.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |     let y = minimal_yaml().replace("", ""); // Use raw yaml with invalid level
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> tests/integration_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[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 variable: `y`
[INFO] [stdout]    --> src/config_tests.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |     let y = minimal_yaml().replace("", ""); // Use raw yaml with invalid level
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/export/prometheus_tests.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let config = crate::config::PrometheusExporter {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `opentelemetry-otlp`
[INFO] [stderr]   --> Cargo.toml:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 | [dependencies.opentelemetry-otlp]
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `opentelemetry-otlp`
[INFO] [stderr] warning: unused dependency `prometheus-client`
[INFO] [stderr]   --> Cargo.toml:43:15
[INFO] [stderr]    |
[INFO] [stderr] 43 | [dependencies.prometheus-client]
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `prometheus-client`
[INFO] [stderr] warning: `modbus-exporter` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.34s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.29.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 13`
[INFO] running `Command { std: "docker" "inspect" "db45dcd9da34b305fe6410c3e6b28de72613dc33bf561d8d8da20a7242b3e525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db45dcd9da34b305fe6410c3e6b28de72613dc33bf561d8d8da20a7242b3e525", kill_on_drop: false }`
[INFO] [stdout] db45dcd9da34b305fe6410c3e6b28de72613dc33bf561d8d8da20a7242b3e525
