[INFO] fetching crate dpkg-query-json 0.1.12...
[INFO] checking dpkg-query-json-0.1.12 against 1.55.0 for beta-1.56-3
[INFO] extracting crate dpkg-query-json 0.1.12 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate dpkg-query-json 0.1.12 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 dpkg-query-json 0.1.12
[INFO] finished tweaking crates.io crate dpkg-query-json 0.1.12
[INFO] tweaked toml for crates.io crate dpkg-query-json 0.1.12 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate crates.io crate dpkg-query-json 0.1.12 already has a lockfile, it will not be regenerated
[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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] c1beb6555ece83d43779f109b42b98d444be741bb89a62c6e6a2406c70889434
[INFO] running `Command { std: "docker" "start" "-a" "c1beb6555ece83d43779f109b42b98d444be741bb89a62c6e6a2406c70889434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1beb6555ece83d43779f109b42b98d444be741bb89a62c6e6a2406c70889434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1beb6555ece83d43779f109b42b98d444be741bb89a62c6e6a2406c70889434", kill_on_drop: false }`
[INFO] [stdout] c1beb6555ece83d43779f109b42b98d444be741bb89a62c6e6a2406c70889434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d5773d8cd1d814ce4c507eec7426e5a981d4881dc6937fe7d78b9f30af06b5f
[INFO] running `Command { std: "docker" "start" "-a" "8d5773d8cd1d814ce4c507eec7426e5a981d4881dc6937fe7d78b9f30af06b5f", 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] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking dpkg-query-json v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` 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 12.17s
[INFO] running `Command { std: "docker" "inspect" "8d5773d8cd1d814ce4c507eec7426e5a981d4881dc6937fe7d78b9f30af06b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5773d8cd1d814ce4c507eec7426e5a981d4881dc6937fe7d78b9f30af06b5f", kill_on_drop: false }`
[INFO] [stdout] 8d5773d8cd1d814ce4c507eec7426e5a981d4881dc6937fe7d78b9f30af06b5f
