[INFO] fetching crate mqtt-visualizer 0.1.0...
[INFO] checking mqtt-visualizer-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate mqtt-visualizer 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mqtt-visualizer 0.1.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqtt-visualizer 0.1.0
[INFO] finished tweaking crates.io crate mqtt-visualizer 0.1.0
[INFO] tweaked toml for crates.io crate mqtt-visualizer 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate mqtt-visualizer 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f35a945f375dbd6617311e42cf502ea8f7ff36516925ff128db35a7e3b36d0ae
[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" "f35a945f375dbd6617311e42cf502ea8f7ff36516925ff128db35a7e3b36d0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f35a945f375dbd6617311e42cf502ea8f7ff36516925ff128db35a7e3b36d0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35a945f375dbd6617311e42cf502ea8f7ff36516925ff128db35a7e3b36d0ae", kill_on_drop: false }`
[INFO] [stdout] f35a945f375dbd6617311e42cf502ea8f7ff36516925ff128db35a7e3b36d0ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a890630bd176a271f43e894a3d28f0464fd8cd8b5561cddacb0626bae3d1094c
[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" "a890630bd176a271f43e894a3d28f0464fd8cd8b5561cddacb0626bae3d1094c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking mqttrs v0.4.1
[INFO] [stderr]     Checking mqtt-visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.12s
[INFO] running `Command { std: "docker" "inspect" "a890630bd176a271f43e894a3d28f0464fd8cd8b5561cddacb0626bae3d1094c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a890630bd176a271f43e894a3d28f0464fd8cd8b5561cddacb0626bae3d1094c", kill_on_drop: false }`
[INFO] [stdout] a890630bd176a271f43e894a3d28f0464fd8cd8b5561cddacb0626bae3d1094c