[INFO] fetching crate schema-registry-observability 0.1.0...
[INFO] checking schema-registry-observability-0.1.0 against try#d1d7143153307f561233bd4d93e2a3b24157b081 for pr-151539-1
[INFO] extracting crate schema-registry-observability 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate schema-registry-observability 0.1.0
[INFO] finished tweaking crates.io crate schema-registry-observability 0.1.0
[INFO] tweaked toml for crates.io crate schema-registry-observability 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate schema-registry-observability 0.1.0 on toolchain d1d7143153307f561233bd4d93e2a3b24157b081
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate schema-registry-observability 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f49d73fc6c9db6078f969b802b78904608199a8ac1eed696f37574bf7133bb85
[INFO] running `Command { std: "docker" "start" "f49d73fc6c9db6078f969b802b78904608199a8ac1eed696f37574bf7133bb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f49d73fc6c9db6078f969b802b78904608199a8ac1eed696f37574bf7133bb85" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49d73fc6c9db6078f969b802b78904608199a8ac1eed696f37574bf7133bb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f49d73fc6c9db6078f969b802b78904608199a8ac1eed696f37574bf7133bb85" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: function `deserialize` is never used
[INFO] [stdout]    --> src/logging.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn deserialize<'de, D>(deserializer: D) -> Result<DateTime<Utc>, D::Error>
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deserialize` is never used
[INFO] [stdout]    --> src/logging.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn deserialize<'de, D>(deserializer: D) -> Result<DateTime<Utc>, D::Error>
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.23s
[INFO] running `Command { std: "docker" "inspect" "f49d73fc6c9db6078f969b802b78904608199a8ac1eed696f37574bf7133bb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49d73fc6c9db6078f969b802b78904608199a8ac1eed696f37574bf7133bb85", kill_on_drop: false }`
[INFO] [stdout] f49d73fc6c9db6078f969b802b78904608199a8ac1eed696f37574bf7133bb85
