[INFO] updating cached repository https://github.com/swapsCAPS/rust-mqtt-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d7833187c335dc77efb6e678838e11a337ee69a [INFO] testing swapsCAPS/rust-mqtt-playground against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FswapsCAPS%2Frust-mqtt-playground" "/workspace/builds/worker-87/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/swapsCAPS/rust-mqtt-playground on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/swapsCAPS/rust-mqtt-playground [INFO] finished tweaking git repo https://github.com/swapsCAPS/rust-mqtt-playground [INFO] tweaked toml for git repo https://github.com/swapsCAPS/rust-mqtt-playground written to /workspace/builds/worker-87/source/Cargo.toml [INFO] crate git repo https://github.com/swapsCAPS/rust-mqtt-playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed3902d988eae4a800b09c994280daaee3f357687cafa49e600d6d67c1e51017 [INFO] running `Command { std: "docker" "start" "-a" "ed3902d988eae4a800b09c994280daaee3f357687cafa49e600d6d67c1e51017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed3902d988eae4a800b09c994280daaee3f357687cafa49e600d6d67c1e51017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed3902d988eae4a800b09c994280daaee3f357687cafa49e600d6d67c1e51017", kill_on_drop: false }` [INFO] [stdout] ed3902d988eae4a800b09c994280daaee3f357687cafa49e600d6d67c1e51017 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99b8daddd3ea4ed906c4ab004a434acdfeb4cd32eb02dfa6fffc3b7c0e891949 [INFO] running `Command { std: "docker" "start" "-a" "99b8daddd3ea4ed906c4ab004a434acdfeb4cd32eb02dfa6fffc3b7c0e891949", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling arc-swap v0.4.7 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling chrono v0.4.13 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling mqttrs v0.2.0 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling mqtt-protocol v0.8.1 [INFO] [stderr] Compiling webpki v0.21.3 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling rustls v0.16.0 [INFO] [stderr] Compiling webpki-roots v0.18.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling structopt v0.3.15 [INFO] [stderr] Compiling tokio-rustls v0.12.3 [INFO] [stderr] Compiling mqtt-async-client v0.1.5 [INFO] [stderr] Compiling rust_mqtt_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Decodable` [INFO] [stdout] --> src/lib.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | use mqtt::{Encodable, Decodable}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `VariablePacket` [INFO] [stdout] --> src/lib.rs:10:20 [INFO] [stdout] | [INFO] [stdout] 10 | use mqtt::packet::{VariablePacket, PublishPacket, QoSWithPacketIdentifier}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | for i in 0..60_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | for i in 0..60_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | async_stuff().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 37s [INFO] running `Command { std: "docker" "inspect" "99b8daddd3ea4ed906c4ab004a434acdfeb4cd32eb02dfa6fffc3b7c0e891949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99b8daddd3ea4ed906c4ab004a434acdfeb4cd32eb02dfa6fffc3b7c0e891949", kill_on_drop: false }` [INFO] [stdout] 99b8daddd3ea4ed906c4ab004a434acdfeb4cd32eb02dfa6fffc3b7c0e891949 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b524026534969d7fa8590de00d143cee2e132810e63a29e241d2161bea82946 [INFO] running `Command { std: "docker" "start" "-a" "5b524026534969d7fa8590de00d143cee2e132810e63a29e241d2161bea82946", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_mqtt_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Decodable` [INFO] [stdout] --> src/lib.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | use mqtt::{Encodable, Decodable}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `VariablePacket` [INFO] [stdout] --> src/lib.rs:10:20 [INFO] [stdout] | [INFO] [stdout] 10 | use mqtt::packet::{VariablePacket, PublishPacket, QoSWithPacketIdentifier}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | for i in 0..60_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | for i in 0..60_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decodable` [INFO] [stdout] --> src/lib.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | use mqtt::{Encodable, Decodable}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `VariablePacket` [INFO] [stdout] --> src/lib.rs:10:20 [INFO] [stdout] | [INFO] [stdout] 10 | use mqtt::packet::{VariablePacket, PublishPacket, QoSWithPacketIdentifier}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | for i in 0..60_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | for i in 0..60_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | async_stuff().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 13.31s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_mqtt_playground-2803ff5650874c86) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_mqtt_playground-c72cdea55c552c83) [INFO] running `Command { std: "docker" "inspect" "5b524026534969d7fa8590de00d143cee2e132810e63a29e241d2161bea82946", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b524026534969d7fa8590de00d143cee2e132810e63a29e241d2161bea82946", kill_on_drop: false }` [INFO] [stdout] 5b524026534969d7fa8590de00d143cee2e132810e63a29e241d2161bea82946 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f9e74e22d9ec540cfd53f202557e3e18ce1bdb6ed184ba998f5de44c1a955f27 [INFO] running `Command { std: "docker" "start" "-a" "f9e74e22d9ec540cfd53f202557e3e18ce1bdb6ed184ba998f5de44c1a955f27", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `Decodable` [INFO] [stderr] --> src/lib.rs:9:23 [INFO] [stderr] | [INFO] [stderr] 9 | use mqtt::{Encodable, Decodable}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `VariablePacket` [INFO] [stderr] --> src/lib.rs:10:20 [INFO] [stderr] | [INFO] [stderr] 10 | use mqtt::packet::{VariablePacket, PublishPacket, QoSWithPacketIdentifier}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | for i in 0..60_000 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | for i in 0..60_000 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: `rust_mqtt_playground` (lib) generated 4 warnings [INFO] [stderr] warning: `rust_mqtt_playground` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | async_stuff().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `rust_mqtt_playground` (bin "rust_mqtt_playground" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.58s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_mqtt_playground-2803ff5650874c86) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_mqtt_playground-c72cdea55c552c83) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests rust_mqtt_playground [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f9e74e22d9ec540cfd53f202557e3e18ce1bdb6ed184ba998f5de44c1a955f27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9e74e22d9ec540cfd53f202557e3e18ce1bdb6ed184ba998f5de44c1a955f27", kill_on_drop: false }` [INFO] [stdout] f9e74e22d9ec540cfd53f202557e3e18ce1bdb6ed184ba998f5de44c1a955f27