[INFO] cloning repository https://github.com/mikejing506/light_mqtt_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikejing506/light_mqtt_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikejing506%2Flight_mqtt_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikejing506%2Flight_mqtt_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fe5521145fb63fbb4a78455d6237882e506e44a
[INFO] testing mikejing506/light_mqtt_rust against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikejing506%2Flight_mqtt_rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikejing506/light_mqtt_rust on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikejing506/light_mqtt_rust
[INFO] finished tweaking git repo https://github.com/mikejing506/light_mqtt_rust
[INFO] tweaked toml for git repo https://github.com/mikejing506/light_mqtt_rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mikejing506/light_mqtt_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d71b2b67b76c16edc4174ac2be2a8ec03e8f8153b7fe268325d9d330ffd39106
[INFO] running `Command { std: "docker" "start" "-a" "d71b2b67b76c16edc4174ac2be2a8ec03e8f8153b7fe268325d9d330ffd39106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d71b2b67b76c16edc4174ac2be2a8ec03e8f8153b7fe268325d9d330ffd39106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71b2b67b76c16edc4174ac2be2a8ec03e8f8153b7fe268325d9d330ffd39106", kill_on_drop: false }`
[INFO] [stdout] d71b2b67b76c16edc4174ac2be2a8ec03e8f8153b7fe268325d9d330ffd39106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63bd31d1513d343c259d00a4212f6c4a7c3489943924b3753c95d77263c8dca0
[INFO] running `Command { std: "docker" "start" "-a" "63bd31d1513d343c259d00a4212f6c4a7c3489943924b3753c95d77263c8dca0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "63bd31d1513d343c259d00a4212f6c4a7c3489943924b3753c95d77263c8dca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63bd31d1513d343c259d00a4212f6c4a7c3489943924b3753c95d77263c8dca0", kill_on_drop: false }`
[INFO] [stdout] 63bd31d1513d343c259d00a4212f6c4a7c3489943924b3753c95d77263c8dca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38ead58567ab05372e7697fa0365c7856c3e7a7a0d88ff21125648ca99f2611e
[INFO] running `Command { std: "docker" "start" "-a" "38ead58567ab05372e7697fa0365c7856c3e7a7a0d88ff21125648ca99f2611e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mqtt-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "38ead58567ab05372e7697fa0365c7856c3e7a7a0d88ff21125648ca99f2611e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ead58567ab05372e7697fa0365c7856c3e7a7a0d88ff21125648ca99f2611e", kill_on_drop: false }`
[INFO] [stdout] 38ead58567ab05372e7697fa0365c7856c3e7a7a0d88ff21125648ca99f2611e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61c2645db4d9cf49889bc5e7e26120dea7d7864e0b885886fbb147e7b8434dbb
[INFO] running `Command { std: "docker" "start" "-a" "61c2645db4d9cf49889bc5e7e26120dea7d7864e0b885886fbb147e7b8434dbb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt_rust-7f37ab434c7c6fb3)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61c2645db4d9cf49889bc5e7e26120dea7d7864e0b885886fbb147e7b8434dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c2645db4d9cf49889bc5e7e26120dea7d7864e0b885886fbb147e7b8434dbb", kill_on_drop: false }`
[INFO] [stdout] 61c2645db4d9cf49889bc5e7e26120dea7d7864e0b885886fbb147e7b8434dbb