[INFO] fetching crate paho-mqtt-zaack 0.11.1...
[INFO] testing paho-mqtt-zaack-0.11.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate paho-mqtt-zaack 0.11.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate paho-mqtt-zaack 0.11.1
[INFO] finished tweaking crates.io crate paho-mqtt-zaack 0.11.1
[INFO] tweaked toml for crates.io crate paho-mqtt-zaack 0.11.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate paho-mqtt-zaack 0.11.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate paho-mqtt-zaack 0.11.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10ca8428600228b1e773d66368f9d7c0f51734a5cd621c65faffe625c8181d23
[INFO] running `Command { std: "docker" "start" "-a" "10ca8428600228b1e773d66368f9d7c0f51734a5cd621c65faffe625c8181d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10ca8428600228b1e773d66368f9d7c0f51734a5cd621c65faffe625c8181d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ca8428600228b1e773d66368f9d7c0f51734a5cd621c65faffe625c8181d23", kill_on_drop: false }`
[INFO] [stdout] 10ca8428600228b1e773d66368f9d7c0f51734a5cd621c65faffe625c8181d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd55821c050b473caa3add328211cb6219ebdd2aaec4a3c1e8b5901ef63073d8
[INFO] running `Command { std: "docker" "start" "-a" "bd55821c050b473caa3add328211cb6219ebdd2aaec4a3c1e8b5901ef63073d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.80
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling value-bag v1.8.1
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling syn v2.0.59
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling paho-mqtt-sys v0.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling paho-mqtt-zaack v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/properties.rs:974:17
[INFO] [stdout]     |
[INFO] [stdout] 974 |     pub fn iter(&self, code: PropertyCode) -> PropertyIterator {
[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] 974 |     pub fn iter(&self, code: PropertyCode) -> PropertyIterator<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/properties.rs:1042:22
[INFO] [stdout]      |
[INFO] [stdout] 1042 |     pub fn user_iter(&self) -> StringPairIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1042 |     pub fn user_iter(&self) -> StringPairIterator<'_> {
[INFO] [stdout]      |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.54s
[INFO] running `Command { std: "docker" "inspect" "bd55821c050b473caa3add328211cb6219ebdd2aaec4a3c1e8b5901ef63073d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd55821c050b473caa3add328211cb6219ebdd2aaec4a3c1e8b5901ef63073d8", kill_on_drop: false }`
[INFO] [stdout] bd55821c050b473caa3add328211cb6219ebdd2aaec4a3c1e8b5901ef63073d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3922e1e1449df80338575209ea6126019e394c69e2725fb122d10be14d273938
[INFO] running `Command { std: "docker" "start" "-a" "3922e1e1449df80338575209ea6126019e394c69e2725fb122d10be14d273938", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling event-listener v5.3.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.1
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling async-channel v2.2.1
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/properties.rs:974:17
[INFO] [stdout]     |
[INFO] [stdout] 974 |     pub fn iter(&self, code: PropertyCode) -> PropertyIterator {
[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] 974 |     pub fn iter(&self, code: PropertyCode) -> PropertyIterator<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/properties.rs:1042:22
[INFO] [stdout]      |
[INFO] [stdout] 1042 |     pub fn user_iter(&self) -> StringPairIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1042 |     pub fn user_iter(&self) -> StringPairIterator<'_> {
[INFO] [stdout]      |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling async-executor v1.11.0
[INFO] [stderr]    Compiling blocking v1.5.1
[INFO] [stderr]    Compiling ctrlc v3.4.4
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling polling v3.6.0
[INFO] [stderr]    Compiling async-io v2.3.2
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling paho-mqtt-zaack v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `paho_mqtt`
[INFO] [stdout]   --> examples/rpc_math_cli.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | extern crate paho_mqtt as mqtt;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `paho_mqtt`
[INFO] [stdout]   --> examples/mqttrs_chat.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | extern crate paho_mqtt as mqtt;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> examples/rpc_math_cli.rs:153:29
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let reply_corr_id = msg
[INFO] [stdout]     |                             ^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "rpc_math_cli") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed for `Option<_>`
[INFO] [stdout]    --> examples/mqttrs_chat.rs:114:37
[INFO] [stdout]     |
[INFO] [stdout] 114 |     cli.set_message_callback(|_cli, msg| {
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 115 |         if let Some(msg) = msg {
[INFO] [stdout] 116 |             println!("{}", msg.payload_str());
[INFO] [stdout]     |                            --- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]     |
[INFO] [stdout] 114 |     cli.set_message_callback(|_cli, msg: Option<_>| {
[INFO] [stdout]     |                                        +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "mqttrs_chat") due to 2 previous errors
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/rpc_math_srvr.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/async_publish.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/legacy_async_publish.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/async_subscribe.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/async_publish_time.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/sync_consume.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/sync_consume_v5.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> examples/sync_consume.rs:103:37
[INFO] [stdout]     |
[INFO] [stdout] 103 |             if let Some(conn_rsp) = rsp.connect_response() {
[INFO] [stdout]     |                                     ^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/topic_publish.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "legacy_async_publish") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> examples/async_publish_time.rs:108:35
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 if let Err(err) = tok.wait() {
[INFO] [stdout]     |                                   ^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "topic_publish") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "async_publish") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/async_persist_publish.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "async_publish_time") due to 2 previous errors
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> examples/sync_consume.rs:116:36
[INFO] [stdout]     |
[INFO] [stdout] 116 |                         .and_then(|rsp| {
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 117 |                             rsp.subscribe_many_response()
[INFO] [stdout]     |                             --- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 116 |                         .and_then(|rsp: /* Type */| {
[INFO] [stdout]     |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "async_subscribe") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "rpc_math_srvr") due to 1 previous error
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/ws_publish.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "sync_consume") due to 3 previous errors
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/legacy_async_subscribe.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "async_persist_publish") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "ws_publish") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/topic_alias_publish.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> examples/sync_consume_v5.rs:177:26
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let sub_id = msg
[INFO] [stdout]     |                          ^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `Option<_>`
[INFO] [stdout]    --> examples/legacy_async_subscribe.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 |     cli.set_message_callback(|_cli, msg| {
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 108 |         if let Some(msg) = msg {
[INFO] [stdout] 109 |             let topic = msg.topic();
[INFO] [stdout]     |                         --- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]     |
[INFO] [stdout] 107 |     cli.set_message_callback(|_cli, msg: Option<_>| {
[INFO] [stdout]     |                                        +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "topic_alias_publish") due to 1 previous error
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paho_mqtt`
[INFO] [stdout]   --> examples/sync_publish.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use paho_mqtt as mqtt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `paho_mqtt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "sync_consume_v5") due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "sync_publish") due to 1 previous error
[INFO] [stderr] error: could not compile `paho-mqtt-zaack` (example "legacy_async_subscribe") due to 2 previous errors
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/properties.rs:974:17
[INFO] [stdout]     |
[INFO] [stdout] 974 |     pub fn iter(&self, code: PropertyCode) -> PropertyIterator {
[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] 974 |     pub fn iter(&self, code: PropertyCode) -> PropertyIterator<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/properties.rs:1042:22
[INFO] [stdout]      |
[INFO] [stdout] 1042 |     pub fn user_iter(&self) -> StringPairIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1042 |     pub fn user_iter(&self) -> StringPairIterator<'_> {
[INFO] [stdout]      |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3922e1e1449df80338575209ea6126019e394c69e2725fb122d10be14d273938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3922e1e1449df80338575209ea6126019e394c69e2725fb122d10be14d273938", kill_on_drop: false }`
[INFO] [stdout] 3922e1e1449df80338575209ea6126019e394c69e2725fb122d10be14d273938
