[INFO] fetching crate rumqttc-async-std 0.5.0...
[INFO] testing rumqttc-async-std-0.5.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rumqttc-async-std 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rumqttc-async-std 0.5.0
[INFO] finished tweaking crates.io crate rumqttc-async-std 0.5.0
[INFO] tweaked toml for crates.io crate rumqttc-async-std 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rumqttc-async-std 0.5.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rumqttc-async-std 0.5.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39df6ee85bc75c06a2626926b1dc4f38cbe812a0e7ea4023a13f3a6a47419119
[INFO] running `Command { std: "docker" "start" "-a" "39df6ee85bc75c06a2626926b1dc4f38cbe812a0e7ea4023a13f3a6a47419119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39df6ee85bc75c06a2626926b1dc4f38cbe812a0e7ea4023a13f3a6a47419119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39df6ee85bc75c06a2626926b1dc4f38cbe812a0e7ea4023a13f3a6a47419119", kill_on_drop: false }`
[INFO] [stdout] 39df6ee85bc75c06a2626926b1dc4f38cbe812a0e7ea4023a13f3a6a47419119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04532746dcabc0f392d05e9ffd026ccd0eb5bf90a00925c867e4e2407d086f46
[INFO] running `Command { std: "docker" "start" "-a" "04532746dcabc0f392d05e9ffd026ccd0eb5bf90a00925c867e4e2407d086f46", kill_on_drop: false }`
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[INFO] [stderr]    Compiling async-io v1.3.1
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[INFO] [stderr]    Compiling futures-executor v0.3.12
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[INFO] [stderr]    Compiling async-tls v0.11.0
[INFO] [stderr]    Compiling rumqttc-async-std v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/client.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn iter(&mut self) -> Iter {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn iter(&mut self) -> Iter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "04532746dcabc0f392d05e9ffd026ccd0eb5bf90a00925c867e4e2407d086f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04532746dcabc0f392d05e9ffd026ccd0eb5bf90a00925c867e4e2407d086f46", kill_on_drop: false }`
[INFO] [stdout] 04532746dcabc0f392d05e9ffd026ccd0eb5bf90a00925c867e4e2407d086f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4fa1f5dfb34f974f95929358b65cbe96a3b57213d4b6944da98a82907d713c5
[INFO] running `Command { std: "docker" "start" "-a" "e4fa1f5dfb34f974f95929358b65cbe96a3b57213d4b6944da98a82907d713c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/client.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn iter(&mut self) -> Iter {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn iter(&mut self) -> Iter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling simple_asn1 v0.4.1
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling color-backtrace v0.4.2
[INFO] [stderr]    Compiling pem v0.8.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling envy v0.4.2
[INFO] [stderr]    Compiling jsonwebtoken v7.2.0
[INFO] [stderr]    Compiling rumqttc-async-std v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]  --> tests/broker.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::net::TcpListener;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]  --> tests/broker.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::net::TcpListener;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio`
[INFO] [stdout]  --> tests/broker.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::select;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio`
[INFO] [stdout]  --> tests/broker.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::{task, time};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> tests/broker.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rumqttc`
[INFO] [stdout]   --> tests/broker.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rumqttc::{Event, Incoming, Outgoing, Packet};
[INFO] [stdout]    |     ^^^^^^^ use of unresolved module or unlinked crate `rumqttc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rumqttc`, use `cargo add rumqttc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rumqttc`
[INFO] [stdout]  --> tests/reliability.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rumqttc::*;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `rumqttc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rumqttc`, use `cargo add rumqttc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio`
[INFO] [stdout]  --> tests/reliability.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::{task, time};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> tests/reliability.rs:58:3
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[tokio::test]
[INFO] [stdout]    |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> tests/reliability.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[tokio::test]
[INFO] [stdout]    |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:117:3
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:162:3
[INFO] [stdout]     |
[INFO] [stdout] 162 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:201:3
[INFO] [stdout]     |
[INFO] [stdout] 201 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:231:3
[INFO] [stdout]     |
[INFO] [stdout] 231 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:260:3
[INFO] [stdout]     |
[INFO] [stdout] 260 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:299:3
[INFO] [stdout]     |
[INFO] [stdout] 299 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:370:3
[INFO] [stdout]     |
[INFO] [stdout] 370 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:417:3
[INFO] [stdout]     |
[INFO] [stdout] 417 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:442:3
[INFO] [stdout]     |
[INFO] [stdout] 442 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> tests/reliability.rs:483:3
[INFO] [stdout]     |
[INFO] [stdout] 483 | #[tokio::test]
[INFO] [stdout]     |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio`
[INFO] [stdout]  --> tests/broker.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::select;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio`
[INFO] [stdout]  --> tests/broker.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::{task, time};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> tests/broker.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rumqttc`
[INFO] [stdout]   --> tests/broker.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rumqttc::{Event, Incoming, Outgoing, Packet};
[INFO] [stdout]    |     ^^^^^^^ use of unresolved module or unlinked crate `rumqttc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rumqttc`, use `cargo add rumqttc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rumqttc`
[INFO] [stdout]  --> examples/syncpubsub.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rumqttc::{self, Client, LastWill, MqttOptions, QoS};
[INFO] [stdout]   |               ^^^^ no external crate `rumqttc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rumqttc`
[INFO] [stdout]  --> examples/tls.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rumqttc::{self, AsyncClient, Event, Incoming, MqttOptions, Transport};
[INFO] [stdout]   |               ^^^^ no external crate `rumqttc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]  --> examples/tls.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio`
[INFO] [stdout]  --> examples/asyncpubsub.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::{task, time};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rumqttc`
[INFO] [stdout]  --> examples/asyncpubsub.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rumqttc::{self, AsyncClient, Event, Incoming, MqttOptions, QoS};
[INFO] [stdout]   |               ^^^^ no external crate `rumqttc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]  --> examples/asyncpubsub.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[tokio::main(worker_threads = 1)]
[INFO] [stdout]   |   ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rumqttc-async-std` (test "broker") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> examples/tls.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0752.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> examples/asyncpubsub.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0752.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rumqttc-async-std` (example "tls") due to 3 previous errors
[INFO] [stderr] error: could not compile `rumqttc-async-std` (example "syncpubsub") due to 1 previous error
[INFO] [stderr] error: could not compile `rumqttc-async-std` (example "asyncpubsub") due to 4 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rumqttc-async-std` (test "reliability") due to 19 previous errors
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/client.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn iter(&mut self) -> Iter {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn iter(&mut self) -> Iter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4fa1f5dfb34f974f95929358b65cbe96a3b57213d4b6944da98a82907d713c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fa1f5dfb34f974f95929358b65cbe96a3b57213d4b6944da98a82907d713c5", kill_on_drop: false }`
[INFO] [stdout] e4fa1f5dfb34f974f95929358b65cbe96a3b57213d4b6944da98a82907d713c5
