[INFO] fetching crate pliantdb-client 0.1.0-dev.4...
[INFO] checking pliantdb-client-0.1.0-dev.4 against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385
[INFO] extracting crate pliantdb-client 0.1.0-dev.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pliantdb-client 0.1.0-dev.4 on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pliantdb-core v0.1.0-dev.4
[INFO] [stderr]   Downloaded actionable-macros v0.1.1
[INFO] [stderr]   Downloaded actionable v0.1.1
[INFO] [stderr]   Downloaded x509-parser v0.12.0
[INFO] [stderr]   Downloaded oid-registry v0.2.0
[INFO] [stderr]   Downloaded fabruic v0.0.1-dev.5
[INFO] [stderr]   Downloaded der-oid-macro v0.5.0
[INFO] [stderr]   Downloaded ct-logs v0.9.0
[INFO] [stderr]   Downloaded circulate v0.1.0
[INFO] [stderr]   Downloaded pliantdb-macros v0.1.0-dev.4
[INFO] [stderr]   Downloaded tokio-tungstenite v0.14.0
[INFO] [stderr]   Downloaded der-parser v6.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f8c8dd5f299b9b7052ef0d69f15c4fa3c4ab755a1d78decb4ecfbdf3d365ee8
[INFO] running `Command { std: "docker" "start" "-a" "8f8c8dd5f299b9b7052ef0d69f15c4fa3c4ab755a1d78decb4ecfbdf3d365ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f8c8dd5f299b9b7052ef0d69f15c4fa3c4ab755a1d78decb4ecfbdf3d365ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8c8dd5f299b9b7052ef0d69f15c4fa3c4ab755a1d78decb4ecfbdf3d365ee8", kill_on_drop: false }`
[INFO] [stdout] 8f8c8dd5f299b9b7052ef0d69f15c4fa3c4ab755a1d78decb4ecfbdf3d365ee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b3ab60609531f264a39fd61f0b8c9215ef799af523f5fa2c4b3c337dc9596eb
[INFO] running `Command { std: "docker" "start" "-a" "8b3ab60609531f264a39fd61f0b8c9215ef799af523f5fa2c4b3c337dc9596eb", kill_on_drop: false }`
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[INFO] [stdout] warning: field `worker` is never read
[INFO] [stdout]   --> src/client.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct Data<A: CustomApi> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     worker: CancellableHandle<Result<(), Error>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: field `worker` is never read
[INFO] [stdout]   --> src/client.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct Data<A: CustomApi> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     worker: CancellableHandle<Result<(), Error>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "8b3ab60609531f264a39fd61f0b8c9215ef799af523f5fa2c4b3c337dc9596eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b3ab60609531f264a39fd61f0b8c9215ef799af523f5fa2c4b3c337dc9596eb", kill_on_drop: false }`
[INFO] [stdout] 8b3ab60609531f264a39fd61f0b8c9215ef799af523f5fa2c4b3c337dc9596eb