[INFO] fetching crate pliantdb-client 0.1.0-dev.4...
[INFO] checking pliantdb-client-0.1.0-dev.4 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate pliantdb-client 0.1.0-dev.4 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate pliantdb-client 0.1.0-dev.4 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pliantdb-client 0.1.0-dev.4
[INFO] finished tweaking crates.io crate pliantdb-client 0.1.0-dev.4
[INFO] tweaked toml for crates.io crate pliantdb-client 0.1.0-dev.4 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52eec22de5b910108d6ca192586c6ce76069997bc4a0b2124fe227d7d01643fd
[INFO] running `Command { std: "docker" "start" "-a" "52eec22de5b910108d6ca192586c6ce76069997bc4a0b2124fe227d7d01643fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52eec22de5b910108d6ca192586c6ce76069997bc4a0b2124fe227d7d01643fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52eec22de5b910108d6ca192586c6ce76069997bc4a0b2124fe227d7d01643fd", kill_on_drop: false }`
[INFO] [stdout] 52eec22de5b910108d6ca192586c6ce76069997bc4a0b2124fe227d7d01643fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9857b388797b9dac828acb377fbe88c5ad92599cd8ff66e1c49293ef87399fe0
[INFO] running `Command { std: "docker" "start" "-a" "9857b388797b9dac828acb377fbe88c5ad92599cd8ff66e1c49293ef87399fe0", kill_on_drop: false }`
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[INFO] [stderr]     Checking pliantdb-client v0.1.0-dev.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `worker`
[INFO] [stdout]   --> src/client.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     worker: CancellableHandle<Result<(), Error>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `worker`
[INFO] [stdout]   --> src/client.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     worker: CancellableHandle<Result<(), Error>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.79s
[INFO] running `Command { std: "docker" "inspect" "9857b388797b9dac828acb377fbe88c5ad92599cd8ff66e1c49293ef87399fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9857b388797b9dac828acb377fbe88c5ad92599cd8ff66e1c49293ef87399fe0", kill_on_drop: false }`
[INFO] [stdout] 9857b388797b9dac828acb377fbe88c5ad92599cd8ff66e1c49293ef87399fe0