[INFO] cloning repository https://github.com/untilyoumakeit/mqtt_sensor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/untilyoumakeit/mqtt_sensor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funtilyoumakeit%2Fmqtt_sensor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funtilyoumakeit%2Fmqtt_sensor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be0c3ff451b76fb146c2955e80cf5e2fc553cd7c
[INFO] checking untilyoumakeit/mqtt_sensor against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funtilyoumakeit%2Fmqtt_sensor" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/untilyoumakeit/mqtt_sensor on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/untilyoumakeit/mqtt_sensor
[INFO] finished tweaking git repo https://github.com/untilyoumakeit/mqtt_sensor
[INFO] tweaked toml for git repo https://github.com/untilyoumakeit/mqtt_sensor written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/untilyoumakeit/mqtt_sensor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95730e81c6b74827289f3a1b1da9d4d5ced921e704afa337a5c5feec05c74411
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "95730e81c6b74827289f3a1b1da9d4d5ced921e704afa337a5c5feec05c74411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95730e81c6b74827289f3a1b1da9d4d5ced921e704afa337a5c5feec05c74411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95730e81c6b74827289f3a1b1da9d4d5ced921e704afa337a5c5feec05c74411", kill_on_drop: false }`
[INFO] [stdout] 95730e81c6b74827289f3a1b1da9d4d5ced921e704afa337a5c5feec05c74411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fb28528bbdc2bebd1d4946ebd839273c88616cd80be15efafc9113da3d49156
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3fb28528bbdc2bebd1d4946ebd839273c88616cd80be15efafc9113da3d49156", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling mqtt_sensors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking json v0.12.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]    Compiling paho-mqtt-sys v0.2.1
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking syncbox v0.2.4
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]     Checking eventual v0.1.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking paho-mqtt v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "3fb28528bbdc2bebd1d4946ebd839273c88616cd80be15efafc9113da3d49156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb28528bbdc2bebd1d4946ebd839273c88616cd80be15efafc9113da3d49156", kill_on_drop: false }`
[INFO] [stdout] 3fb28528bbdc2bebd1d4946ebd839273c88616cd80be15efafc9113da3d49156