[INFO] cloning repository https://github.com/chirpstack/chirpstack-mqtt-forwarder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chirpstack/chirpstack-mqtt-forwarder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirpstack%2Fchirpstack-mqtt-forwarder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirpstack%2Fchirpstack-mqtt-forwarder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb99f865639638d05da577fb2e1404447cd04841
[INFO] checking chirpstack/chirpstack-mqtt-forwarder against try#b86c3b4b0ed7ac3cd1dc08a5d86c8f78b9e21603 for pr-114933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirpstack%2Fchirpstack-mqtt-forwarder" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder on toolchain b86c3b4b0ed7ac3cd1dc08a5d86c8f78b9e21603
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b86c3b4b0ed7ac3cd1dc08a5d86c8f78b9e21603" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder
[INFO] finished tweaking git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder
[INFO] tweaked toml for git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chirpstack/chirpstack-mqtt-forwarder 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" "+b86c3b4b0ed7ac3cd1dc08a5d86c8f78b9e21603" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+b86c3b4b0ed7ac3cd1dc08a5d86c8f78b9e21603" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aaee947b721bef4061bc27f4da2b91763260a4deb3e023fbccb7afbaff10d3a
[INFO] running `Command { std: "docker" "start" "-a" "7aaee947b721bef4061bc27f4da2b91763260a4deb3e023fbccb7afbaff10d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aaee947b721bef4061bc27f4da2b91763260a4deb3e023fbccb7afbaff10d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aaee947b721bef4061bc27f4da2b91763260a4deb3e023fbccb7afbaff10d3a", kill_on_drop: false }`
[INFO] [stdout] 7aaee947b721bef4061bc27f4da2b91763260a4deb3e023fbccb7afbaff10d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+b86c3b4b0ed7ac3cd1dc08a5d86c8f78b9e21603" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8116ede19414c82326ac92ce5fc1c40a41011122cd8184eba40715451ba4b509
[INFO] running `Command { std: "docker" "start" "-a" "8116ede19414c82326ac92ce5fc1c40a41011122cd8184eba40715451ba4b509", kill_on_drop: false }`
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[INFO] [stderr]     Checking handlebars v4.3.7
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[INFO] [stderr]    Compiling chirpstack_api v4.4.0
[INFO] [stderr]     Checking paho-mqtt v0.12.1
[INFO] [stderr]     Checking chirpstack-mqtt-forwarder v4.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/semtech_udp/structs.rs:488:21
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 let mut rx_info = pl.rx_info.as_mut().unwrap();
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/semtech_udp/structs.rs:488:21
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 let mut rx_info = pl.rx_info.as_mut().unwrap();
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 [unoptimized + debuginfo] target(s) in 20.91s
[INFO] running `Command { std: "docker" "inspect" "8116ede19414c82326ac92ce5fc1c40a41011122cd8184eba40715451ba4b509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8116ede19414c82326ac92ce5fc1c40a41011122cd8184eba40715451ba4b509", kill_on_drop: false }`
[INFO] [stdout] 8116ede19414c82326ac92ce5fc1c40a41011122cd8184eba40715451ba4b509