[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] testing untilyoumakeit/mqtt_sensor against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funtilyoumakeit%2Fmqtt_sensor" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/untilyoumakeit/mqtt_sensor on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+1.49.0" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f713375d60b2f56f5537730696c77ef63f91ef12e73c27ac69a5a1f87f8a953b
[INFO] running `Command { std: "docker" "start" "-a" "f713375d60b2f56f5537730696c77ef63f91ef12e73c27ac69a5a1f87f8a953b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f713375d60b2f56f5537730696c77ef63f91ef12e73c27ac69a5a1f87f8a953b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f713375d60b2f56f5537730696c77ef63f91ef12e73c27ac69a5a1f87f8a953b", kill_on_drop: false }`
[INFO] [stdout] f713375d60b2f56f5537730696c77ef63f91ef12e73c27ac69a5a1f87f8a953b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf194fb612ac0d06f69fdaf53e6356f234ad35751b35503a612fbe815baf501
[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" "baf194fb612ac0d06f69fdaf53e6356f234ad35751b35503a612fbe815baf501", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling mqtt_sensors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling json v0.12.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]    Compiling paho-mqtt-sys v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syncbox v0.2.4
[INFO] [stderr]    Compiling futures-timer v0.1.1
[INFO] [stderr]    Compiling eventual v0.1.7
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling paho-mqtt v0.6.0
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "baf194fb612ac0d06f69fdaf53e6356f234ad35751b35503a612fbe815baf501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf194fb612ac0d06f69fdaf53e6356f234ad35751b35503a612fbe815baf501", kill_on_drop: false }`
[INFO] [stdout] baf194fb612ac0d06f69fdaf53e6356f234ad35751b35503a612fbe815baf501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 39ad5a82d8add349f6128c14622d9d0ffcfbbb41be0acf2782e389f24d56a943
[INFO] running `Command { std: "docker" "start" "-a" "39ad5a82d8add349f6128c14622d9d0ffcfbbb41be0acf2782e389f24d56a943", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt_sensors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "39ad5a82d8add349f6128c14622d9d0ffcfbbb41be0acf2782e389f24d56a943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ad5a82d8add349f6128c14622d9d0ffcfbbb41be0acf2782e389f24d56a943", kill_on_drop: false }`
[INFO] [stdout] 39ad5a82d8add349f6128c14622d9d0ffcfbbb41be0acf2782e389f24d56a943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa2b14024c07b5e766d62456b63f00a15855f65910becfd9f1426ff3c7774af2
[INFO] running `Command { std: "docker" "start" "-a" "fa2b14024c07b5e766d62456b63f00a15855f65910becfd9f1426ff3c7774af2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mqtt_sensors-fe0e23a342344533
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa2b14024c07b5e766d62456b63f00a15855f65910becfd9f1426ff3c7774af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2b14024c07b5e766d62456b63f00a15855f65910becfd9f1426ff3c7774af2", kill_on_drop: false }`
[INFO] [stdout] fa2b14024c07b5e766d62456b63f00a15855f65910becfd9f1426ff3c7774af2