[INFO] cloning repository https://github.com/tuyennguyentech/learn-mqtt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuyennguyentech/learn-mqtt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuyennguyentech%2Flearn-mqtt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuyennguyentech%2Flearn-mqtt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6e13ff61bd123d7166f957e83fd09f3be115ccc
[INFO] checking tuyennguyentech/learn-mqtt against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuyennguyentech%2Flearn-mqtt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tuyennguyentech/learn-mqtt
[INFO] finished tweaking git repo https://github.com/tuyennguyentech/learn-mqtt
[INFO] tweaked toml for git repo https://github.com/tuyennguyentech/learn-mqtt written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tuyennguyentech/learn-mqtt on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tuyennguyentech/learn-mqtt 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7823eb33b9af10b5a32198b13f576c5605e2675dcbd2247db8d1056f8e354b14
[INFO] running `Command { std: "docker" "start" "-a" "7823eb33b9af10b5a32198b13f576c5605e2675dcbd2247db8d1056f8e354b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7823eb33b9af10b5a32198b13f576c5605e2675dcbd2247db8d1056f8e354b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7823eb33b9af10b5a32198b13f576c5605e2675dcbd2247db8d1056f8e354b14", kill_on_drop: false }`
[INFO] [stdout] 7823eb33b9af10b5a32198b13f576c5605e2675dcbd2247db8d1056f8e354b14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17a335451885f8b11d890393cf01311ceac62ce54535fb76693df9f854ad2b88
[INFO] running `Command { std: "docker" "start" "-a" "17a335451885f8b11d890393cf01311ceac62ce54535fb76693df9f854ad2b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling rustls v0.23.34
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking rustls-native-certs v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.32.3
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]    Compiling aws-lc-rs v1.14.1
[INFO] [stderr]     Checking rustls-webpki v0.103.7
[INFO] [stderr]     Checking tokio-rustls v0.26.4
[INFO] [stderr]     Checking rumqttc v0.25.0
[INFO] [stderr]     Checking mqtt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `v5::SubscribeProperties`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |   mqttbytes::{QoS, v5::SubscribeProperties},
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `v5::SubscribeProperties`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |   mqttbytes::{QoS, v5::SubscribeProperties},
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/main.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |     while let Some(data) = rx.recv().await {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/main.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |     while let Some(data) = rx.recv().await {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/asyncpubsub.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |   let message: String = iter.next().unwrap().parse().unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt` (bin "aps" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/asyncpubsub100devices.rs:130:25
[INFO] [stdout]     |
[INFO] [stdout] 130 |   let message: String = iter.next().unwrap().parse().unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt` (bin "aps100" test) due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/asyncpubsub.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |   let message: String = iter.next().unwrap().parse().unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/asyncpubsub100devices.rs:130:25
[INFO] [stdout]     |
[INFO] [stdout] 130 |   let message: String = iter.next().unwrap().parse().unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt` (bin "aps") due to 1 previous error
[INFO] [stderr] error: could not compile `mqtt` (bin "aps100") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "17a335451885f8b11d890393cf01311ceac62ce54535fb76693df9f854ad2b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a335451885f8b11d890393cf01311ceac62ce54535fb76693df9f854ad2b88", kill_on_drop: false }`
[INFO] [stdout] 17a335451885f8b11d890393cf01311ceac62ce54535fb76693df9f854ad2b88
