[INFO] fetching crate rsiot-modbus-client 0.0.16... [INFO] checking rsiot-modbus-client-0.0.16 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rsiot-modbus-client 0.0.16 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate rsiot-modbus-client 0.0.16 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rsiot-modbus-client 0.0.16 [INFO] finished tweaking crates.io crate rsiot-modbus-client 0.0.16 [INFO] tweaked toml for crates.io crate rsiot-modbus-client 0.0.16 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate rsiot-modbus-client 0.0.16 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rsiot-messages-core v0.0.16 [INFO] [stderr] Downloaded rsiot-component-core v0.0.16 [INFO] [stderr] Downloaded tokio-modbus v0.9.0 [INFO] [stderr] Downloaded rsiot-components-config v0.0.16 [INFO] [stderr] Downloaded rsiot-extra-components v0.0.16 [INFO] [stderr] Downloaded http v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82aab099926df8fc74179768570ac8903e563b18189c21c1d97dfbb1cbd2e640 [INFO] running `Command { std: "docker" "start" "-a" "82aab099926df8fc74179768570ac8903e563b18189c21c1d97dfbb1cbd2e640", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82aab099926df8fc74179768570ac8903e563b18189c21c1d97dfbb1cbd2e640", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82aab099926df8fc74179768570ac8903e563b18189c21c1d97dfbb1cbd2e640", kill_on_drop: false }` [INFO] [stdout] 82aab099926df8fc74179768570ac8903e563b18189c21c1d97dfbb1cbd2e640 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c4d0356d95b47ef15a5c823dd68e2361fc95af3548bafd0c8505c8ff7c5363e [INFO] running `Command { std: "docker" "start" "-a" "7c4d0356d95b47ef15a5c823dd68e2361fc95af3548bafd0c8505c8ff7c5363e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking http v1.0.0 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling async-trait v0.1.74 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking serde v1.0.193 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking tokio-modbus v0.9.0 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking serde_json v1.0.108 [INFO] [stderr] Checking rsiot-messages-core v0.0.16 [INFO] [stderr] Checking rsiot-component-core v0.0.16 [INFO] [stderr] Checking rsiot-components-config v0.0.16 [INFO] [stderr] Checking rsiot-extra-components v0.0.16 [INFO] [stderr] Checking rsiot-modbus-client v0.0.16 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | Connection(StdIoError), [INFO] [stdout] | ---------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 7 | Connection(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | JoinError(JoinError), [INFO] [stdout] | --------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 8 | JoinError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | SendError(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 9 | SendError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | Connection(StdIoError), [INFO] [stdout] | ---------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 7 | Connection(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | JoinError(JoinError), [INFO] [stdout] | --------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 8 | JoinError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | SendError(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 9 | SendError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.40s [INFO] running `Command { std: "docker" "inspect" "7c4d0356d95b47ef15a5c823dd68e2361fc95af3548bafd0c8505c8ff7c5363e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c4d0356d95b47ef15a5c823dd68e2361fc95af3548bafd0c8505c8ff7c5363e", kill_on_drop: false }` [INFO] [stdout] 7c4d0356d95b47ef15a5c823dd68e2361fc95af3548bafd0c8505c8ff7c5363e