[INFO] cloning repository https://github.com/ktims/mqtt-exporter-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ktims/mqtt-exporter-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktims%2Fmqtt-exporter-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktims%2Fmqtt-exporter-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3085e38dfd868c77f5d33fe3d676d21f77b9a305
[INFO] building ktims/mqtt-exporter-rs against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktims%2Fmqtt-exporter-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ktims/mqtt-exporter-rs
[INFO] finished tweaking git repo https://github.com/ktims/mqtt-exporter-rs
[INFO] tweaked toml for git repo https://github.com/ktims/mqtt-exporter-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ktims/mqtt-exporter-rs on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ktims/mqtt-exporter-rs 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-util v0.19.0
[INFO] [stderr]   Downloaded serde_regex v1.1.0
[INFO] [stderr]   Downloaded prettyplease v0.2.30
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.16.2
[INFO] [stderr]   Downloaded config v0.15.9
[INFO] [stderr]   Downloaded metrics v0.24.1
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded yaml-rust2 v0.10.0
[INFO] [stderr]   Downloaded aws-lc-rs v1.12.5
[INFO] [stderr]   Downloaded aws-lc-sys v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b5883f4fc7014c5e40ae8b5dd1b67abea507c1b2329e31ae301ff401befda45
[INFO] running `Command { std: "docker" "start" "-a" "0b5883f4fc7014c5e40ae8b5dd1b67abea507c1b2329e31ae301ff401befda45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b5883f4fc7014c5e40ae8b5dd1b67abea507c1b2329e31ae301ff401befda45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5883f4fc7014c5e40ae8b5dd1b67abea507c1b2329e31ae301ff401befda45", kill_on_drop: false }`
[INFO] [stdout] 0b5883f4fc7014c5e40ae8b5dd1b67abea507c1b2329e31ae301ff401befda45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ac71cf06b28a2811213578ee8d40d89fad6262f5b7b3e273d58b8768fba2f72
[INFO] running `Command { std: "docker" "start" "-a" "5ac71cf06b28a2811213578ee8d40d89fad6262f5b7b3e273d58b8768fba2f72", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling aws-lc-rs v1.12.5
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling crunchy v0.2.3
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[INFO] [stderr]    Compiling tracing-core v0.1.33
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[INFO] [stderr]    Compiling ring v0.17.13
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[INFO] [stderr]    Compiling serde_regex v1.1.0
[INFO] [stderr]    Compiling raw-cpuid v11.5.0
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[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling quanta v0.12.5
[INFO] [stderr]    Compiling metrics-util v0.19.0
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling config v0.15.9
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling tokio-rustls v0.25.0
[INFO] [stderr]    Compiling rumqttc v0.24.0
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling hyper-rustls v0.27.5
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.16.2
[INFO] [stderr]    Compiling mqtt-exporter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:387:18
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let (client, mut eventloop) = AsyncClient::new(opts, 10);
[INFO] [stdout]     |                  ----^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "5ac71cf06b28a2811213578ee8d40d89fad6262f5b7b3e273d58b8768fba2f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac71cf06b28a2811213578ee8d40d89fad6262f5b7b3e273d58b8768fba2f72", kill_on_drop: false }`
[INFO] [stdout] 5ac71cf06b28a2811213578ee8d40d89fad6262f5b7b3e273d58b8768fba2f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b71fe00b3bf8ae5db071763dd8ad30c4f7864b9e1ec567c149e1a4e746485191
[INFO] running `Command { std: "docker" "start" "-a" "b71fe00b3bf8ae5db071763dd8ad30c4f7864b9e1ec567c149e1a4e746485191", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt-exporter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:387:18
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let (client, mut eventloop) = AsyncClient::new(opts, 10);
[INFO] [stdout]     |                  ----^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "b71fe00b3bf8ae5db071763dd8ad30c4f7864b9e1ec567c149e1a4e746485191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71fe00b3bf8ae5db071763dd8ad30c4f7864b9e1ec567c149e1a4e746485191", kill_on_drop: false }`
[INFO] [stdout] b71fe00b3bf8ae5db071763dd8ad30c4f7864b9e1ec567c149e1a4e746485191
