[INFO] fetching crate yams 0.10.0... [INFO] checking yams-0.10.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate yams 0.10.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate yams 0.10.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate yams 0.10.0 [INFO] finished tweaking crates.io crate yams 0.10.0 [INFO] tweaked toml for crates.io crate yams 0.10.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate yams 0.10.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_yaml v0.8.23 [INFO] [stderr] Downloaded parse_int v0.6.0 [INFO] [stderr] Downloaded clap_derive v3.0.12 [INFO] [stderr] Downloaded tokio-modbus v0.5.2 [INFO] [stderr] Downloaded serde_derive v1.0.135 [INFO] [stderr] Downloaded clap v3.0.12 [INFO] [stderr] Downloaded tokio-serial v5.4.1 [INFO] [stderr] Downloaded serde v1.0.135 [INFO] [stderr] Downloaded libc v0.2.113 [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded mio-serial v5.0.1 [INFO] [stderr] Downloaded socket2 v0.4.3 [INFO] [stderr] Downloaded serialport v4.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a231ca3459727143343f1aef054affeef516fe1bd5bf8160bec7c9bf79553667 [INFO] running `Command { std: "docker" "start" "-a" "a231ca3459727143343f1aef054affeef516fe1bd5bf8160bec7c9bf79553667", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a231ca3459727143343f1aef054affeef516fe1bd5bf8160bec7c9bf79553667", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a231ca3459727143343f1aef054affeef516fe1bd5bf8160bec7c9bf79553667", kill_on_drop: false }` [INFO] [stdout] a231ca3459727143343f1aef054affeef516fe1bd5bf8160bec7c9bf79553667 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 049914c56907952c40587efd162a898cd801c70de9c6525860eb6c4ef155ebdf [INFO] running `Command { std: "docker" "start" "-a" "049914c56907952c40587efd162a898cd801c70de9c6525860eb6c4ef155ebdf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.113 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.135 [INFO] [stderr] Compiling serde v1.0.135 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling clap_derive v3.0.12 [INFO] [stderr] Checking parse_int v0.6.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking socket2 v0.4.3 [INFO] [stderr] Checking clap v3.0.12 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking serialport v4.0.1 [INFO] [stderr] Checking mio-serial v5.0.1 [INFO] [stderr] Checking tokio-serial v5.4.1 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-modbus v0.5.2 [INFO] [stderr] Checking serde_yaml v0.8.23 [INFO] [stderr] Checking yams v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/config.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow::{self, Context}; [INFO] [stdout] | ^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/data.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow; [INFO] [stdout] | ^^^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `server` is imported redundantly [INFO] [stdout] --> src/server.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio_modbus::prelude::*; [INFO] [stdout] | ------------------------ the item `server` is already imported here [INFO] [stdout] 5 | use tokio_modbus::server::{self, Service}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/config.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow::{self, Context}; [INFO] [stdout] | ^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/data.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow; [INFO] [stdout] | ^^^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `server` is imported redundantly [INFO] [stdout] --> src/server.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio_modbus::prelude::*; [INFO] [stdout] | ------------------------ the item `server` is already imported here [INFO] [stdout] 5 | use tokio_modbus::server::{self, Service}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `register_data` is never read [INFO] [stdout] --> src/config.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 160 | pub struct ModbusClientConfig { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 164 | pub register_data: Option, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ModbusClientConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `register_data` is never read [INFO] [stdout] --> src/config.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 160 | pub struct ModbusClientConfig { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 164 | pub register_data: Option, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ModbusClientConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s [INFO] running `Command { std: "docker" "inspect" "049914c56907952c40587efd162a898cd801c70de9c6525860eb6c4ef155ebdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "049914c56907952c40587efd162a898cd801c70de9c6525860eb6c4ef155ebdf", kill_on_drop: false }` [INFO] [stdout] 049914c56907952c40587efd162a898cd801c70de9c6525860eb6c4ef155ebdf