[INFO] fetching crate yams 0.10.0... [INFO] checking yams-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate yams 0.10.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate yams 0.10.0 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 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-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-modbus v0.5.2 [INFO] [stderr] Downloaded parse_int v0.6.0 [INFO] [stderr] Downloaded socket2 v0.4.3 [INFO] [stderr] Downloaded serialport v4.0.1 [INFO] [stderr] Downloaded clap_derive v3.0.12 [INFO] [stderr] Downloaded serde_derive v1.0.135 [INFO] [stderr] Downloaded clap v3.0.12 [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded libc v0.2.113 [INFO] [stderr] Downloaded mio-serial v5.0.1 [INFO] [stderr] Downloaded tokio-serial v5.4.1 [INFO] [stderr] Downloaded serde v1.0.135 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f25d8869d06b8685577fd6a9f90a91fd1fd50efa5e2b778116ce4e05672621b1 [INFO] running `Command { std: "docker" "start" "-a" "f25d8869d06b8685577fd6a9f90a91fd1fd50efa5e2b778116ce4e05672621b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f25d8869d06b8685577fd6a9f90a91fd1fd50efa5e2b778116ce4e05672621b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f25d8869d06b8685577fd6a9f90a91fd1fd50efa5e2b778116ce4e05672621b1", kill_on_drop: false }` [INFO] [stdout] f25d8869d06b8685577fd6a9f90a91fd1fd50efa5e2b778116ce4e05672621b1 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2296cbec1535f1b5bafca82e888f20ae1f66526edb757ec5fc757c6e5928be9a [INFO] running `Command { std: "docker" "start" "-a" "2296cbec1535f1b5bafca82e888f20ae1f66526edb757ec5fc757c6e5928be9a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.113 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.135 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Compiling serde v1.0.135 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling quote v1.0.15 [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 socket2 v0.4.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parse_int v0.6.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking serialport v4.0.1 [INFO] [stderr] Checking mio-serial v5.0.1 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling clap_derive v3.0.12 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking clap v3.0.12 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [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: 4 warnings emitted [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.79s [INFO] running `Command { std: "docker" "inspect" "2296cbec1535f1b5bafca82e888f20ae1f66526edb757ec5fc757c6e5928be9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2296cbec1535f1b5bafca82e888f20ae1f66526edb757ec5fc757c6e5928be9a", kill_on_drop: false }` [INFO] [stdout] 2296cbec1535f1b5bafca82e888f20ae1f66526edb757ec5fc757c6e5928be9a