[INFO] fetching crate truebner-smt100 0.2.1... [INFO] checking truebner-smt100-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate truebner-smt100 0.2.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate truebner-smt100 0.2.1 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 truebner-smt100 0.2.1 [INFO] finished tweaking crates.io crate truebner-smt100 0.2.1 [INFO] tweaked toml for crates.io crate truebner-smt100 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 126 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding env_logger v0.6.2 (latest: v0.11.3) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding mach v0.1.2 (latest: v0.3.2) [INFO] [stderr] Adding mach v0.2.3 (latest: v0.3.2) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding mio-serial v3.3.0 (latest: v5.0.5) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding nix v0.14.1 (latest: v0.28.0) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding scoped-tls v0.1.2 (latest: v1.0.1) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding serialport v3.3.0 (latest: v4.3.0) [INFO] [stderr] Adding slab v0.3.0 (latest: v0.4.9) [INFO] [stderr] Adding smallvec v0.2.1 (latest: v1.13.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding stream-cancel v0.4.4 (latest: v0.8.2) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [INFO] [stderr] Adding tokio-modbus v0.3.5 (latest: v0.11.0) [INFO] [stderr] Adding tokio-serial v3.3.0 (latest: v5.4.4) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [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] Downloading crates ... [INFO] [stderr] Downloaded tokio-reactor v0.1.12 [INFO] [stderr] Downloaded bytes v0.4.12 [INFO] [stderr] Downloaded tokio-sync v0.1.8 [INFO] [stderr] Downloaded android-tzdata v0.1.1 [INFO] [stderr] Downloaded byteorder v1.5.0 [INFO] [stderr] Downloaded android_system_properties v0.1.5 [INFO] [stderr] Downloaded tokio-io v0.1.13 [INFO] [stderr] Downloaded iana-time-zone-haiku v0.1.2 [INFO] [stderr] Downloaded hermit-abi v0.3.9 [INFO] [stderr] Downloaded core-foundation-sys v0.8.6 [INFO] [stderr] Downloaded tokio-serial v3.3.0 [INFO] [stderr] Downloaded futures v0.1.31 [INFO] [stderr] Downloaded aho-corasick v1.1.3 [INFO] [stderr] Downloaded tokio-executor v0.1.10 [INFO] [stderr] Downloaded parking_lot_core v0.6.3 [INFO] [stderr] Downloaded winapi-build v0.1.1 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded smallvec v0.6.14 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded miow v0.2.2 [INFO] [stderr] Downloaded scopeguard v1.2.0 [INFO] 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[INFO] [stderr] Downloaded mio-uds v0.6.8 [INFO] [stderr] Downloaded mio-named-pipes v0.1.7 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded redox_syscall v0.1.57 [INFO] [stderr] Downloaded stream-cancel v0.4.4 [INFO] [stderr] Downloaded rand v0.3.23 [INFO] [stderr] Downloaded tokio-uds v0.2.7 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded mach v0.2.3 [INFO] [stderr] Downloaded mio-serial v3.3.0 [INFO] [stderr] Downloaded smallvec v0.2.1 [INFO] [stderr] Downloaded tokio-codec v0.1.2 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded rdrand v0.4.0 [INFO] [stderr] Downloaded memoffset v0.5.6 [INFO] [stderr] Downloaded miow v0.3.7 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded void v1.0.2 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 329f24099c3d4170a7fefed1567da64639d762baba517462600ca33478658922 [INFO] running `Command { std: "docker" "start" "-a" "329f24099c3d4170a7fefed1567da64639d762baba517462600ca33478658922", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "329f24099c3d4170a7fefed1567da64639d762baba517462600ca33478658922", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "329f24099c3d4170a7fefed1567da64639d762baba517462600ca33478658922", kill_on_drop: false }` [INFO] [stdout] 329f24099c3d4170a7fefed1567da64639d762baba517462600ca33478658922 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc7e06303218776405ded1d8bd08dd099ba33f2b368aad42ade78fb65c7c810e [INFO] running `Command { std: "docker" "start" "-a" "bc7e06303218776405ded1d8bd08dd099ba33f2b368aad42ade78fb65c7c810e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking stream-cancel v0.4.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking mio-serial v3.3.0 [INFO] [stderr] Checking tokio-serial v3.3.0 [INFO] [stderr] Checking tokio-modbus v0.3.5 [INFO] [stderr] Checking truebner-smt100 v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `future` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `future` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use futures::{future, Future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Future` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use futures::{future, Future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use std::{io::Error, path::Path, time::Duration}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:4:34 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use std::{io::Error, path::Path, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AsyncRead` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `AsyncRead` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use tokio_io::{AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `AsyncWrite` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use tokio_io::{AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/modbus/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Future` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/modbus/mod.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 4 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 10 | io::{Cursor, Error, ErrorKind, Result}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/mock.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use std::io::{Error, ErrorKind}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/mock.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.10.4 [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stdout] warning: the item `future` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `future` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use futures::{future, Future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Future` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use futures::{future, Future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use std::{io::Error, path::Path, time::Duration}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:4:34 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use std::{io::Error, path::Path, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AsyncRead` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `AsyncRead` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use tokio_io::{AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> examples/modbus-rtu.rs:29:6 [INFO] [stdout] | [INFO] [stdout] 29 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly [INFO] [stdout] --> src/modbus/rtu.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `AsyncWrite` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use tokio_io::{AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> examples/modbus-rtu.rs:42:6 [INFO] [stdout] | [INFO] [stdout] 42 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/modbus/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Future` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> examples/modbus-rtu.rs:91:6 [INFO] [stdout] | [INFO] [stdout] 91 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/modbus/mod.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 4 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 10 | io::{Cursor, Error, ErrorKind, Result}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/mock.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use std::io::{Error, ErrorKind}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `modbus` is imported redundantly [INFO] [stdout] --> examples/modbus-rtu.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | use truebner_smt100::{modbus, *}; [INFO] [stdout] | ^^^^^^ - the item `modbus` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/mock.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s [INFO] running `Command { std: "docker" "inspect" "bc7e06303218776405ded1d8bd08dd099ba33f2b368aad42ade78fb65c7c810e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc7e06303218776405ded1d8bd08dd099ba33f2b368aad42ade78fb65c7c810e", kill_on_drop: false }` [INFO] [stdout] bc7e06303218776405ded1d8bd08dd099ba33f2b368aad42ade78fb65c7c810e