[INFO] cloning repository https://github.com/frenchbread/rust-mqtt-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frenchbread/rust-mqtt-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrenchbread%2Frust-mqtt-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrenchbread%2Frust-mqtt-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11b483ce7c16ed281388cc1ebd73bd490f853b5c
[INFO] checking frenchbread/rust-mqtt-client against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrenchbread%2Frust-mqtt-client" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frenchbread/rust-mqtt-client on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frenchbread/rust-mqtt-client
[INFO] finished tweaking git repo https://github.com/frenchbread/rust-mqtt-client
[INFO] tweaked toml for git repo https://github.com/frenchbread/rust-mqtt-client written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/frenchbread/rust-mqtt-client 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/eclipse/paho.mqtt.rust.git`
[INFO] [stderr]     Updating git submodule `https://github.com/eclipse/paho.mqtt.c.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25595c8d8855e1649814251cb4c2e2f4d61e0c46d603738423945018d6a3c22e
[INFO] running `Command { std: "docker" "start" "-a" "25595c8d8855e1649814251cb4c2e2f4d61e0c46d603738423945018d6a3c22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25595c8d8855e1649814251cb4c2e2f4d61e0c46d603738423945018d6a3c22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25595c8d8855e1649814251cb4c2e2f4d61e0c46d603738423945018d6a3c22e", kill_on_drop: false }`
[INFO] [stdout] 25595c8d8855e1649814251cb4c2e2f4d61e0c46d603738423945018d6a3c22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76b9c8e1e015d75b316b8f913a697320cab22fe1bd23c1e99f2870b7c3ae2f1f
[INFO] running `Command { std: "docker" "start" "-a" "76b9c8e1e015d75b316b8f913a697320cab22fe1bd23c1e99f2870b7c3ae2f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr]    Compiling paho-mqtt-sys v0.7.0 (https://github.com/eclipse/paho.mqtt.rust.git?branch=master#e9e4b804)
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]     Checking futures-util v0.3.24
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking paho-mqtt v0.11.1 (https://github.com/eclipse/paho.mqtt.rust.git?branch=master#e9e4b804)
[INFO] [stderr]     Checking rust_emq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.45s
[INFO] running `Command { std: "docker" "inspect" "76b9c8e1e015d75b316b8f913a697320cab22fe1bd23c1e99f2870b7c3ae2f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b9c8e1e015d75b316b8f913a697320cab22fe1bd23c1e99f2870b7c3ae2f1f", kill_on_drop: false }`
[INFO] [stdout] 76b9c8e1e015d75b316b8f913a697320cab22fe1bd23c1e99f2870b7c3ae2f1f