[INFO] fetching crate paho-mqtt 0.12.3... [INFO] checking paho-mqtt-0.12.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate paho-mqtt 0.12.3 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate paho-mqtt 0.12.3 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 paho-mqtt 0.12.3 [INFO] finished tweaking crates.io crate paho-mqtt 0.12.3 [INFO] tweaked toml for crates.io crate paho-mqtt 0.12.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate paho-mqtt 0.12.3 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 paho-mqtt-sys v0.9.0 [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] 899f20cc414840d2239aaef314424deaa3e2f2f4f823221a246bf231fe6378ac [INFO] running `Command { std: "docker" "start" "-a" "899f20cc414840d2239aaef314424deaa3e2f2f4f823221a246bf231fe6378ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "899f20cc414840d2239aaef314424deaa3e2f2f4f823221a246bf231fe6378ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "899f20cc414840d2239aaef314424deaa3e2f2f4f823221a246bf231fe6378ac", kill_on_drop: false }` [INFO] [stdout] 899f20cc414840d2239aaef314424deaa3e2f2f4f823221a246bf231fe6378ac [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] d78f8b0c10f6445b863508b3cff4e444e1930808076fef6e02695577239b7cc9 [INFO] running `Command { std: "docker" "start" "-a" "d78f8b0c10f6445b863508b3cff4e444e1930808076fef6e02695577239b7cc9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking value-bag v1.4.2 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking concurrent-queue v2.3.0 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling rustix v0.37.26 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking async-task v4.5.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking blocking v1.4.1 [INFO] [stderr] Checking async-executor v1.6.0 [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling openssl-sys v0.9.93 [INFO] [stderr] Compiling paho-mqtt-sys v0.9.0 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking ctrlc v3.4.1 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling serde_derive v1.0.189 [INFO] [stderr] Checking async-global-executor v2.3.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking paho-mqtt v0.12.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/async_client.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | ffi, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/create_options.rs:30:71 [INFO] [stdout] | [INFO] [stdout] 30 | async_client::AsyncClient, client_persistence::ClientPersistence, ffi, to_c_bool, Result, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/connect_options.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | ffi, from_c_bool, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/will_options.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | ffi, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/ssl_options.rs:31:29 [INFO] [stdout] | [INFO] [stdout] 31 | use crate::{errors::Result, ffi, from_c_bool, to_c_bool}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/disconnect_options.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | ffi, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/subscribe_options.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | use crate::{ffi, from_c_bool, to_c_bool, Error, Result}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/subscribe_options.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | use std::{convert::TryFrom, fmt}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/response_options.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | ffi, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/server_response.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | use crate::{ffi, from_c_bool, properties::Properties, reason_code::ReasonCode}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/properties.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | convert::TryFrom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/properties.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | use crate::{errors::Result, ffi}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/message.rs:22:24 [INFO] [stdout] | [INFO] [stdout] 22 | use std::{borrow::Cow, convert::From, ffi::CString, fmt, os::raw::c_void, pin::Pin, slice}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/message.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | use crate::{ffi, properties::Properties, to_c_bool}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/token.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | ffi, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/client_persistence.rs:29:29 [INFO] [stdout] | [INFO] [stdout] 29 | use crate::{errors::Result, ffi, to_c_bool}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/errors.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | use crate::{ffi, message::Message, reason_code::ReasonCode}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/c_trace.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use crate::ffi; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/async_client.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | ffi, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/async_client.rs:1230:21 [INFO] [stdout] | [INFO] [stdout] 1228 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] 1229 | use crate::create_options::CreateOptionsBuilder; [INFO] [stdout] 1230 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Mutex` is imported redundantly [INFO] [stdout] --> src/async_client.rs:1230:26 [INFO] [stdout] | [INFO] [stdout] 1228 | use super::*; [INFO] [stdout] | -------- the item `Mutex` is already imported here [INFO] [stdout] 1229 | use crate::create_options::CreateOptionsBuilder; [INFO] [stdout] 1230 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/subscribe_options.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | use crate::{ffi, from_c_bool, to_c_bool, Error, Result}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/subscribe_options.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | use std::{convert::TryFrom, fmt}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/response_options.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | ffi, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/response_options.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 196 | use super::*; [INFO] [stdout] | -------- the item `Token` is already imported here [INFO] [stdout] 197 | use crate::token::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/server_response.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | use crate::{ffi, from_c_bool, properties::Properties, reason_code::ReasonCode}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/properties.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | convert::TryFrom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/message.rs:22:24 [INFO] [stdout] | [INFO] [stdout] 22 | use std::{borrow::Cow, convert::From, ffi::CString, fmt, os::raw::c_void, pin::Pin, slice}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/token.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | ffi, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/client_persistence.rs:29:29 [INFO] [stdout] | [INFO] [stdout] 29 | use crate::{errors::Result, ffi, to_c_bool}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/errors.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | use crate::{ffi, message::Message, reason_code::ReasonCode}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ffi` is imported redundantly [INFO] [stdout] --> src/c_trace.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use crate::ffi; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | extern crate paho_mqtt_sys as ffi; [INFO] [stdout] | ---------------------------------- the item `ffi` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.82s [INFO] running `Command { std: "docker" "inspect" "d78f8b0c10f6445b863508b3cff4e444e1930808076fef6e02695577239b7cc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d78f8b0c10f6445b863508b3cff4e444e1930808076fef6e02695577239b7cc9", kill_on_drop: false }` [INFO] [stdout] d78f8b0c10f6445b863508b3cff4e444e1930808076fef6e02695577239b7cc9