[INFO] cloning repository https://github.com/uhlig-it/mqtt-blink1 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uhlig-it/mqtt-blink1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuhlig-it%2Fmqtt-blink1", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuhlig-it%2Fmqtt-blink1'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2d6adf9b8b33d5b01207a59fe33c037929c0eb98 [INFO] checking uhlig-it/mqtt-blink1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuhlig-it%2Fmqtt-blink1" "/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/uhlig-it/mqtt-blink1 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/uhlig-it/mqtt-blink1 [INFO] finished tweaking git repo https://github.com/uhlig-it/mqtt-blink1 [INFO] tweaked toml for git repo https://github.com/uhlig-it/mqtt-blink1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/uhlig-it/mqtt-blink1 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 blinkrs v2.0.1 [INFO] [stderr] Downloaded paho-mqtt v0.12.3 [INFO] [stderr] Downloaded paho-mqtt-sys v0.9.0 [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] 8c4cbe700917c5238cb26d89ddda0b50873bfec0d6916c17a6553f4217a6a928 [INFO] running `Command { std: "docker" "start" "-a" "8c4cbe700917c5238cb26d89ddda0b50873bfec0d6916c17a6553f4217a6a928", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c4cbe700917c5238cb26d89ddda0b50873bfec0d6916c17a6553f4217a6a928", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c4cbe700917c5238cb26d89ddda0b50873bfec0d6916c17a6553f4217a6a928", kill_on_drop: false }` [INFO] [stdout] 8c4cbe700917c5238cb26d89ddda0b50873bfec0d6916c17a6553f4217a6a928 [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] 1ddcd9f6bede9ffa7bdbd44d8d0812d3a46d9ff1f521e9c6d1f221d22dba4eff [INFO] running `Command { std: "docker" "start" "-a" "1ddcd9f6bede9ffa7bdbd44d8d0812d3a46d9ff1f521e9c6d1f221d22dba4eff", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling pkg-config v0.3.29 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling rusb v0.9.3 [INFO] [stderr] Checking anstream v0.6.8 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking clap_builder v4.4.18 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking crossbeam-channel v0.5.11 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Compiling openssl-sys v0.9.98 [INFO] [stderr] Compiling libusb1-sys v0.6.4 [INFO] [stderr] Compiling paho-mqtt-sys v0.9.0 [INFO] [stderr] Checking blinkrs v2.0.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking clap v4.4.18 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking paho-mqtt v0.12.3 [INFO] [stderr] Checking mqtt-blink1 v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 207 | Io(Error), [INFO] [stdout] | -- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 207 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 207 | Io(Error), [INFO] [stdout] | -- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 207 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.15s [INFO] running `Command { std: "docker" "inspect" "1ddcd9f6bede9ffa7bdbd44d8d0812d3a46d9ff1f521e9c6d1f221d22dba4eff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ddcd9f6bede9ffa7bdbd44d8d0812d3a46d9ff1f521e9c6d1f221d22dba4eff", kill_on_drop: false }` [INFO] [stdout] 1ddcd9f6bede9ffa7bdbd44d8d0812d3a46d9ff1f521e9c6d1f221d22dba4eff [INFO] checking uhlig-it/mqtt-blink1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuhlig-it%2Fmqtt-blink1" "/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/uhlig-it/mqtt-blink1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/uhlig-it/mqtt-blink1 [INFO] finished tweaking git repo https://github.com/uhlig-it/mqtt-blink1 [INFO] tweaked toml for git repo https://github.com/uhlig-it/mqtt-blink1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/uhlig-it/mqtt-blink1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 470fcca4a07ba1f7062820294315268388eff4317780b5321cac6c65873c4f7b [INFO] running `Command { std: "docker" "start" "-a" "470fcca4a07ba1f7062820294315268388eff4317780b5321cac6c65873c4f7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "470fcca4a07ba1f7062820294315268388eff4317780b5321cac6c65873c4f7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "470fcca4a07ba1f7062820294315268388eff4317780b5321cac6c65873c4f7b", kill_on_drop: false }` [INFO] [stdout] 470fcca4a07ba1f7062820294315268388eff4317780b5321cac6c65873c4f7b [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc95ae74532fb02c3f20d5d2395bade81a78862cfd56145e19ae6a533cea2ed2 [INFO] running `Command { std: "docker" "start" "-a" "dc95ae74532fb02c3f20d5d2395bade81a78862cfd56145e19ae6a533cea2ed2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling pkg-config v0.3.29 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling rusb v0.9.3 [INFO] [stderr] Checking anstream v0.6.8 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking clap_builder v4.4.18 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking crossbeam-channel v0.5.11 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Compiling openssl-sys v0.9.98 [INFO] [stderr] Compiling libusb1-sys v0.6.4 [INFO] [stderr] Compiling paho-mqtt-sys v0.9.0 [INFO] [stderr] Checking blinkrs v2.0.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking clap v4.4.18 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking paho-mqtt v0.12.3 [INFO] [stderr] Checking mqtt-blink1 v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 207 | Io(Error), [INFO] [stdout] | -- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 207 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 207 | Io(Error), [INFO] [stdout] | -- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 207 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.01s [INFO] running `Command { std: "docker" "inspect" "dc95ae74532fb02c3f20d5d2395bade81a78862cfd56145e19ae6a533cea2ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc95ae74532fb02c3f20d5d2395bade81a78862cfd56145e19ae6a533cea2ed2", kill_on_drop: false }` [INFO] [stdout] dc95ae74532fb02c3f20d5d2395bade81a78862cfd56145e19ae6a533cea2ed2