[INFO] fetching crate rsiot-components-config 0.0.16...
[INFO] checking rsiot-components-config-0.0.16 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rsiot-components-config 0.0.16 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rsiot-components-config 0.0.16 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsiot-components-config 0.0.16
[INFO] finished tweaking crates.io crate rsiot-components-config 0.0.16
[INFO] tweaked toml for crates.io crate rsiot-components-config 0.0.16 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 51 packages
[INFO] [stderr]       Adding rsiot-messages-core v0.0.16 (latest: v0.0.70)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32612b15bec529508f42ef89d7869387581417bc217fde140efc32b731134cf4
[INFO] running `Command { std: "docker" "start" "-a" "32612b15bec529508f42ef89d7869387581417bc217fde140efc32b731134cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32612b15bec529508f42ef89d7869387581417bc217fde140efc32b731134cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32612b15bec529508f42ef89d7869387581417bc217fde140efc32b731134cf4", kill_on_drop: false }`
[INFO] [stdout] 32612b15bec529508f42ef89d7869387581417bc217fde140efc32b731134cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a214fde96c84f49428aa0e9fe19617b4d2c42e4459c3988679712b1032a4826
[INFO] running `Command { std: "docker" "start" "-a" "1a214fde96c84f49428aa0e9fe19617b4d2c42e4459c3988679712b1032a4826", kill_on_drop: false }`
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking rsiot-messages-core v0.0.16
[INFO] [stderr]     Checking rsiot-components-config v0.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "1a214fde96c84f49428aa0e9fe19617b4d2c42e4459c3988679712b1032a4826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a214fde96c84f49428aa0e9fe19617b4d2c42e4459c3988679712b1032a4826", kill_on_drop: false }`
[INFO] [stdout] 1a214fde96c84f49428aa0e9fe19617b4d2c42e4459c3988679712b1032a4826
[INFO] checking rsiot-components-config-0.0.16 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rsiot-components-config 0.0.16 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rsiot-components-config 0.0.16 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsiot-components-config 0.0.16
[INFO] finished tweaking crates.io crate rsiot-components-config 0.0.16
[INFO] tweaked toml for crates.io crate rsiot-components-config 0.0.16 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages
[INFO] [stderr]       Adding rsiot-messages-core v0.0.16 (latest: v0.0.70)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce7bf8f4447895d0d928e5a070ce14b533403248d9a929ae4a7f2d784ac7d092
[INFO] running `Command { std: "docker" "start" "-a" "ce7bf8f4447895d0d928e5a070ce14b533403248d9a929ae4a7f2d784ac7d092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce7bf8f4447895d0d928e5a070ce14b533403248d9a929ae4a7f2d784ac7d092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7bf8f4447895d0d928e5a070ce14b533403248d9a929ae4a7f2d784ac7d092", kill_on_drop: false }`
[INFO] [stdout] ce7bf8f4447895d0d928e5a070ce14b533403248d9a929ae4a7f2d784ac7d092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053a61f524b9885b25ecd2190e8147a2cf43b187b920c04c11a0c7d8f6fbb70e
[INFO] running `Command { std: "docker" "start" "-a" "053a61f524b9885b25ecd2190e8147a2cf43b187b920c04c11a0c7d8f6fbb70e", kill_on_drop: false }`
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking rsiot-messages-core v0.0.16
[INFO] [stderr]     Checking rsiot-components-config v0.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "053a61f524b9885b25ecd2190e8147a2cf43b187b920c04c11a0c7d8f6fbb70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053a61f524b9885b25ecd2190e8147a2cf43b187b920c04c11a0c7d8f6fbb70e", kill_on_drop: false }`
[INFO] [stdout] 053a61f524b9885b25ecd2190e8147a2cf43b187b920c04c11a0c7d8f6fbb70e