[INFO] fetching crate mqtt-typed-client 0.1.0...
[INFO] checking mqtt-typed-client-0.1.0 against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-4
[INFO] extracting crate mqtt-typed-client 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mqtt-typed-client 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mqtt-typed-client 0.1.0
[INFO] tweaked toml for crates.io crate mqtt-typed-client 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mqtt-typed-client 0.1.0 on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mqtt-typed-client 0.1.0 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] bb345e3decf2c21660f53482711870dc63b045cb4030d3057dd68a69561ebf8a
[INFO] running `Command { std: "docker" "start" "-a" "bb345e3decf2c21660f53482711870dc63b045cb4030d3057dd68a69561ebf8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb345e3decf2c21660f53482711870dc63b045cb4030d3057dd68a69561ebf8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb345e3decf2c21660f53482711870dc63b045cb4030d3057dd68a69561ebf8a", kill_on_drop: false }`
[INFO] [stdout] bb345e3decf2c21660f53482711870dc63b045cb4030d3057dd68a69561ebf8a
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfeda9d158affab17bea455f6e527144f84eecf7b4054be92033512e04e22f76
[INFO] running `Command { std: "docker" "start" "-a" "dfeda9d158affab17bea455f6e527144f84eecf7b4054be92033512e04e22f76", kill_on_drop: false }`
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[INFO] [stdout] error[E0446]: private type `Message` in public interface
[INFO] [stdout]   --> examples/005_hello_world_serializers.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Message {
[INFO] [stdout]    | -------------- `Message` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 27 | #[mqtt_topic("greetings/{language}/{sender}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `mqtt_topic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `TemperatureReading` in public interface
[INFO] [stdout]   --> examples/002_configuration.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct TemperatureReading {
[INFO] [stdout]    | ------------------------- `TemperatureReading` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 33 | #[mqtt_topic("sensors/temperature/{location}/{sensor_id}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `mqtt_topic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-typed-client` (example "002_configuration") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mqtt-typed-client` (example "005_hello_world_serializers") due to 1 previous error
[INFO] [stdout] error[E0446]: private type `PingPongMessage` in public interface
[INFO] [stdout]   --> examples/001_ping_pong.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum PingPongMessage {
[INFO] [stdout]    | -------------------- `PingPongMessage` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 67 | #[mqtt_topic("game/{player}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `mqtt_topic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-typed-client` (example "001_ping_pong") due to 1 previous error
[INFO] [stdout] error[E0446]: private type `Message` in public interface
[INFO] [stdout]   --> examples/003_hello_world_lwt.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Message {
[INFO] [stdout]    | -------------- `Message` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 41 | #[mqtt_topic("greetings/{language}/{sender}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `mqtt_topic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-typed-client` (example "003_hello_world_lwt") due to 1 previous error
[INFO] [stdout] error[E0446]: private type `DemoMessage` in public interface
[INFO] [stdout]   --> examples/006_retain_and_clear.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct DemoMessage {
[INFO] [stdout]    | ------------------ `DemoMessage` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 62 | #[mqtt_topic("demo/retain")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `mqtt_topic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-typed-client` (example "006_retain_and_clear") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `Message` in public interface
[INFO] [stdout]   --> examples/007_custom_patterns.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Message {
[INFO] [stdout]    | -------------- `Message` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 46 | #[mqtt_topic("greetings/{language}/{sender}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `mqtt_topic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `Message` in public interface
[INFO] [stdout]   --> examples/004_hello_world_tls.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Message {
[INFO] [stdout]    | -------------- `Message` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 34 | #[mqtt_topic("greetings/{language}/{sender}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `mqtt_topic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-typed-client` (example "007_custom_patterns") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-typed-client` (example "004_hello_world_tls") due to 1 previous error
[INFO] [stdout] error[E0446]: private type `Message` in public interface
[INFO] [stdout]   --> examples/000_hello_world.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Message {
[INFO] [stdout]    | -------------- `Message` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 29 | #[mqtt_topic("greetings/{language}/{sender}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `mqtt_topic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-typed-client` (example "000_hello_world") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dfeda9d158affab17bea455f6e527144f84eecf7b4054be92033512e04e22f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfeda9d158affab17bea455f6e527144f84eecf7b4054be92033512e04e22f76", kill_on_drop: false }`
[INFO] [stdout] dfeda9d158affab17bea455f6e527144f84eecf7b4054be92033512e04e22f76