[INFO] fetching crate for-mqtt-client 0.3.6...
[INFO] checking for-mqtt-client-0.3.6 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate for-mqtt-client 0.3.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate for-mqtt-client 0.3.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate for-mqtt-client 0.3.6
[INFO] tweaked toml for crates.io crate for-mqtt-client 0.3.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate for-mqtt-client 0.3.6 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate for-mqtt-client 0.3.6 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded for_event_bus v0.1.6
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.2.1
[INFO] [stderr]   Downloaded for-event-bus-derive v0.1.3
[INFO] [stderr]   Downloaded flexi_logger v0.24.2
[INFO] [stderr]   Downloaded custom-utils v0.10.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18e8f21211d7492243c2a3ee334de1d12b9869a3edfeebdb0e03bc10bc6359fb
[INFO] running `Command { std: "docker" "start" "-a" "18e8f21211d7492243c2a3ee334de1d12b9869a3edfeebdb0e03bc10bc6359fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18e8f21211d7492243c2a3ee334de1d12b9869a3edfeebdb0e03bc10bc6359fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e8f21211d7492243c2a3ee334de1d12b9869a3edfeebdb0e03bc10bc6359fb", kill_on_drop: false }`
[INFO] [stdout] 18e8f21211d7492243c2a3ee334de1d12b9869a3edfeebdb0e03bc10bc6359fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 309c7c448c901d35505b44746e031c8a13bc87021c803ca5b0fd0a676fdffe62
[INFO] running `Command { std: "docker" "start" "-a" "309c7c448c901d35505b44746e031c8a13bc87021c803ca5b0fd0a676fdffe62", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking anyhow v1.0.79
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking ring v0.17.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking ringbuf v0.3.3
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking notify v5.2.0
[INFO] [stderr]     Checking notify-debouncer-mini v0.2.1
[INFO] [stderr]     Checking webpki v0.22.4
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling for-event-bus-derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking openssl v0.10.63
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking flexi_logger v0.24.2
[INFO] [stderr]     Checking custom-utils v0.10.15
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking for_event_bus v0.1.6
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking for-mqtt-client v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Filter` is never constructed
[INFO] [stdout]   --> src/protocol/packet/subscribe.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct Filter {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubscribeOptions` is never constructed
[INFO] [stdout]   --> src/protocol/packet/subscribe.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct SubscribeOptions(u8);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Filter` is never constructed
[INFO] [stdout]   --> src/protocol/packet/unsubscribe.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Filter {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tasks/task_hub/data.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 87 |     NetworkErr(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ToDisconnectReason` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 87 -     NetworkErr(String),
[INFO] [stdout] 87 +     NetworkErr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PublishMsg` is never used
[INFO] [stdout]  --> src/tasks/task_publish/data.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum PublishMsg {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SubscribeMsg` is never used
[INFO] [stdout]  --> src/tasks/task_subscribe/data.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum SubscribeMsg {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Filter` is never constructed
[INFO] [stdout]   --> src/protocol/packet/subscribe.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct Filter {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubscribeOptions` is never constructed
[INFO] [stdout]   --> src/protocol/packet/subscribe.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct SubscribeOptions(u8);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]  --> examples/v3_rustls.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{io::Read, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Filter` is never constructed
[INFO] [stdout]   --> src/protocol/packet/unsubscribe.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Filter {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tasks/task_hub/data.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 87 |     NetworkErr(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ToDisconnectReason` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 87 -     NetworkErr(String),
[INFO] [stdout] 87 +     NetworkErr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PublishMsg` is never used
[INFO] [stdout]  --> src/tasks/task_publish/data.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum PublishMsg {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SubscribeMsg` is never used
[INFO] [stdout]  --> src/tasks/task_subscribe/data.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum SubscribeMsg {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `custom_utils::util_logger::builder::LoggerBuilder3::start` that must be used
[INFO] [stdout]   --> examples/v5_client.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     custom_utils::logger::custom_build(Debug)
[INFO] [stdout] 10 | |         // .module("for_mqtt_client::tasks::task_network", Debug)
[INFO] [stdout] 11 | |         // .module("for_mqtt_client::tasks::task_publish", Debug)
[INFO] [stdout] 12 | |         .build_default()
[INFO] [stdout] 13 | |         .log_to_stdout()
[INFO] [stdout] 14 | |         .start();
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout]  9 |     let _ = custom_utils::logger::custom_build(Debug)
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `custom_utils::util_logger::builder::LoggerBuilder3::start` that must be used
[INFO] [stdout]   --> examples/v3_rustls.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     custom_utils::logger::custom_build(Debug)
[INFO] [stdout] 12 | |         // .module("for_mqtt_client::tasks::task_network", Debug)
[INFO] [stdout] 13 | |         // .module("for_mqtt_client::tasks::task_publish", Debug)
[INFO] [stdout] 14 | |         .build_default()
[INFO] [stdout] 15 | |         .log_to_stdout()
[INFO] [stdout] 16 | |         .start();
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = custom_utils::logger::custom_build(Debug)
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `custom_utils::util_logger::builder::LoggerBuilder3::start` that must be used
[INFO] [stdout]   --> examples/v3_rustls_insecurity.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     custom_utils::logger::custom_build(Debug)
[INFO] [stdout] 12 | |         .build_default()
[INFO] [stdout] 13 | |         .log_to_stdout()
[INFO] [stdout] 14 | |         .start();
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = custom_utils::logger::custom_build(Debug)
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.91s
[INFO] running `Command { std: "docker" "inspect" "309c7c448c901d35505b44746e031c8a13bc87021c803ca5b0fd0a676fdffe62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309c7c448c901d35505b44746e031c8a13bc87021c803ca5b0fd0a676fdffe62", kill_on_drop: false }`
[INFO] [stdout] 309c7c448c901d35505b44746e031c8a13bc87021c803ca5b0fd0a676fdffe62