[INFO] cloning repository https://github.com/JarredAllen/mqtt-visualizer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JarredAllen/mqtt-visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJarredAllen%2Fmqtt-visualizer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJarredAllen%2Fmqtt-visualizer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 669623335d65749dd163699c1fe4a2fb03020f5b [INFO] checking JarredAllen/mqtt-visualizer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJarredAllen%2Fmqtt-visualizer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JarredAllen/mqtt-visualizer on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JarredAllen/mqtt-visualizer [INFO] finished tweaking git repo https://github.com/JarredAllen/mqtt-visualizer [INFO] tweaked toml for git repo https://github.com/JarredAllen/mqtt-visualizer written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JarredAllen/mqtt-visualizer 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded heapless v0.7.3 [INFO] [stderr] Downloaded volatile-register v0.2.0 [INFO] [stderr] Downloaded nb v1.0.0 [INFO] [stderr] Downloaded embedded-hal v0.2.5 [INFO] [stderr] Downloaded atomic-polyfill v0.1.2 [INFO] [stderr] Downloaded cortex-m v0.7.3 [INFO] [stderr] Downloaded mqttrs v0.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d5caab1ce10d63e9abb22080c4753d9c9d283349ad47e50227e6d961e726453 [INFO] running `Command { std: "docker" "start" "-a" "0d5caab1ce10d63e9abb22080c4753d9c9d283349ad47e50227e6d961e726453", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d5caab1ce10d63e9abb22080c4753d9c9d283349ad47e50227e6d961e726453", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d5caab1ce10d63e9abb22080c4753d9c9d283349ad47e50227e6d961e726453", kill_on_drop: false }` [INFO] [stdout] 0d5caab1ce10d63e9abb22080c4753d9c9d283349ad47e50227e6d961e726453 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cba663389e837a458639b92be0ae6025e26d3fb449e42eb135c68ca36415ef5 [INFO] running `Command { std: "docker" "start" "-a" "8cba663389e837a458639b92be0ae6025e26d3fb449e42eb135c68ca36415ef5", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling heapless v0.7.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking mqttrs v0.4.1 [INFO] [stderr] Checking mqtt-visualizer v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `dup`, `qospid`, `retain`, `topic_name`, and `payload` are never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | struct Publish { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 7 | dup: bool, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | qospid: mqttrs::QosPid, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | retain: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 10 | topic_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 11 | payload: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Publish` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `dup`, `qospid`, `retain`, `topic_name`, and `payload` are never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | struct Publish { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 7 | dup: bool, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | qospid: mqttrs::QosPid, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | retain: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 10 | topic_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 11 | payload: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Publish` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `Command { std: "docker" "inspect" "8cba663389e837a458639b92be0ae6025e26d3fb449e42eb135c68ca36415ef5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cba663389e837a458639b92be0ae6025e26d3fb449e42eb135c68ca36415ef5", kill_on_drop: false }` [INFO] [stdout] 8cba663389e837a458639b92be0ae6025e26d3fb449e42eb135c68ca36415ef5 [INFO] checking JarredAllen/mqtt-visualizer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJarredAllen%2Fmqtt-visualizer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JarredAllen/mqtt-visualizer on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JarredAllen/mqtt-visualizer [INFO] finished tweaking git repo https://github.com/JarredAllen/mqtt-visualizer [INFO] tweaked toml for git repo https://github.com/JarredAllen/mqtt-visualizer written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JarredAllen/mqtt-visualizer 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c34dc0630a3ae6db44af17b730296d18e9763060e33b0a66ee553ae4487df3f [INFO] running `Command { std: "docker" "start" "-a" "4c34dc0630a3ae6db44af17b730296d18e9763060e33b0a66ee553ae4487df3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c34dc0630a3ae6db44af17b730296d18e9763060e33b0a66ee553ae4487df3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c34dc0630a3ae6db44af17b730296d18e9763060e33b0a66ee553ae4487df3f", kill_on_drop: false }` [INFO] [stdout] 4c34dc0630a3ae6db44af17b730296d18e9763060e33b0a66ee553ae4487df3f [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ed8b2924a61fab35c9e06289a06c96d5f0902c8a555cd0d7fcb8bd9680ed016 [INFO] running `Command { std: "docker" "start" "-a" "8ed8b2924a61fab35c9e06289a06c96d5f0902c8a555cd0d7fcb8bd9680ed016", kill_on_drop: false }` [INFO] [stderr] Compiling heapless v0.7.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking serde v1.0.126 [INFO] [stderr] Checking mqttrs v0.4.1 [INFO] [stderr] Checking mqtt-visualizer v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `dup`, `qospid`, `retain`, `topic_name`, and `payload` are never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | struct Publish { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 7 | dup: bool, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | qospid: mqttrs::QosPid, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | retain: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 10 | topic_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 11 | payload: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Publish` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `dup`, `qospid`, `retain`, `topic_name`, and `payload` are never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | struct Publish { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 7 | dup: bool, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | qospid: mqttrs::QosPid, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | retain: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 10 | topic_name: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 11 | payload: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Publish` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.24s [INFO] running `Command { std: "docker" "inspect" "8ed8b2924a61fab35c9e06289a06c96d5f0902c8a555cd0d7fcb8bd9680ed016", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ed8b2924a61fab35c9e06289a06c96d5f0902c8a555cd0d7fcb8bd9680ed016", kill_on_drop: false }` [INFO] [stdout] 8ed8b2924a61fab35c9e06289a06c96d5f0902c8a555cd0d7fcb8bd9680ed016