[INFO] fetching crate mqttrust 0.2.0...
[INFO] testing mqttrust-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mqttrust 0.2.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate mqttrust 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqttrust 0.2.0
[INFO] finished tweaking crates.io crate mqttrust 0.2.0
[INFO] tweaked toml for crates.io crate mqttrust 0.2.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2549d040a56c4a7665c265c3d6039e89dda8e5e415ef61e3228e5c8ddbc4cf4
[INFO] running `Command { std: "docker" "start" "-a" "d2549d040a56c4a7665c265c3d6039e89dda8e5e415ef61e3228e5c8ddbc4cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2549d040a56c4a7665c265c3d6039e89dda8e5e415ef61e3228e5c8ddbc4cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2549d040a56c4a7665c265c3d6039e89dda8e5e415ef61e3228e5c8ddbc4cf4", kill_on_drop: false }`
[INFO] [stdout] d2549d040a56c4a7665c265c3d6039e89dda8e5e415ef61e3228e5c8ddbc4cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4b13a8e44fe77345e4aa359845725a55529eb6a57bd3e55712c714576682f3
[INFO] running `Command { std: "docker" "start" "-a" "ec4b13a8e44fe77345e4aa359845725a55529eb6a57bd3e55712c714576682f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling mqttrs v0.4.1
[INFO] [stderr]    Compiling mqttrust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "ec4b13a8e44fe77345e4aa359845725a55529eb6a57bd3e55712c714576682f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4b13a8e44fe77345e4aa359845725a55529eb6a57bd3e55712c714576682f3", kill_on_drop: false }`
[INFO] [stdout] ec4b13a8e44fe77345e4aa359845725a55529eb6a57bd3e55712c714576682f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb83342ca6110bf5161bb831d1e608ee9f6c900819d1c03552cafdd6998535c9
[INFO] running `Command { std: "docker" "start" "-a" "fb83342ca6110bf5161bb831d1e608ee9f6c900819d1c03552cafdd6998535c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqttrust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "fb83342ca6110bf5161bb831d1e608ee9f6c900819d1c03552cafdd6998535c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb83342ca6110bf5161bb831d1e608ee9f6c900819d1c03552cafdd6998535c9", kill_on_drop: false }`
[INFO] [stdout] fb83342ca6110bf5161bb831d1e608ee9f6c900819d1c03552cafdd6998535c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 560dd866ec0b84240d45d7a78a25fa439c17857c5cfe17a10d8606297ccc3383
[INFO] running `Command { std: "docker" "start" "-a" "560dd866ec0b84240d45d7a78a25fa439c17857c5cfe17a10d8606297ccc3383", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqttrust-7b12b9dc3439f8da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stderr]    Doc-tests mqttrust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "560dd866ec0b84240d45d7a78a25fa439c17857c5cfe17a10d8606297ccc3383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560dd866ec0b84240d45d7a78a25fa439c17857c5cfe17a10d8606297ccc3383", kill_on_drop: false }`
[INFO] [stdout] 560dd866ec0b84240d45d7a78a25fa439c17857c5cfe17a10d8606297ccc3383