[INFO] cloning repository https://github.com/korrupt/json-modbus-tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/korrupt/json-modbus-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkorrupt%2Fjson-modbus-tcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkorrupt%2Fjson-modbus-tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2a75297a931282c033d7735e943ffe275d67a95
[INFO] checking korrupt/json-modbus-tcp against master#4b596bbd847672da87763b76171687d3544863c2 for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkorrupt%2Fjson-modbus-tcp" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/korrupt/json-modbus-tcp
[INFO] finished tweaking git repo https://github.com/korrupt/json-modbus-tcp
[INFO] tweaked toml for git repo https://github.com/korrupt/json-modbus-tcp written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/korrupt/json-modbus-tcp on toolchain 4b596bbd847672da87763b76171687d3544863c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/korrupt/json-modbus-tcp 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" "+4b596bbd847672da87763b76171687d3544863c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-modbus v0.15.0
[INFO] [stderr]   Downloaded fern v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89a7b1d2cbd9be8f1c3548f6164275bd7d58a7208ff84cb7d825392b7581f59a
[INFO] running `Command { std: "docker" "start" "-a" "89a7b1d2cbd9be8f1c3548f6164275bd7d58a7208ff84cb7d825392b7581f59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89a7b1d2cbd9be8f1c3548f6164275bd7d58a7208ff84cb7d825392b7581f59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a7b1d2cbd9be8f1c3548f6164275bd7d58a7208ff84cb7d825392b7581f59a", kill_on_drop: false }`
[INFO] [stdout] 89a7b1d2cbd9be8f1c3548f6164275bd7d58a7208ff84cb7d825392b7581f59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2417c48e9bf22e3a87f02ee1d10578989ccff5b99f3ccaaab6411035f50213db
[INFO] running `Command { std: "docker" "start" "-a" "2417c48e9bf22e3a87f02ee1d10578989ccff5b99f3ccaaab6411035f50213db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking clap_lex v0.7.3
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking clap_builder v4.5.21
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking fern v0.7.0
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]     Checking clap v4.5.21
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-modbus v0.15.0
[INFO] [stderr]     Checking rust-modbus v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/register_manager.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl RegisterManager {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 59 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/register_manager.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl RegisterManager {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 59 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.73s
[INFO] running `Command { std: "docker" "inspect" "2417c48e9bf22e3a87f02ee1d10578989ccff5b99f3ccaaab6411035f50213db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2417c48e9bf22e3a87f02ee1d10578989ccff5b99f3ccaaab6411035f50213db", kill_on_drop: false }`
[INFO] [stdout] 2417c48e9bf22e3a87f02ee1d10578989ccff5b99f3ccaaab6411035f50213db