[INFO] fetching crate datadog-logs 0.2.1...
[INFO] checking datadog-logs-0.2.1 against 7211ea594cbf137ef6118b1752b959dea7cb9088 for pr-164148-crater-rollup
[INFO] extracting crate datadog-logs 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate datadog-logs 0.2.1
[INFO] finished tweaking crates.io crate datadog-logs 0.2.1
[INFO] tweaked toml for crates.io crate datadog-logs 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate datadog-logs 0.2.1 on toolchain 7211ea594cbf137ef6118b1752b959dea7cb9088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7211ea594cbf137ef6118b1752b959dea7cb9088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7211ea594cbf137ef6118b1752b959dea7cb9088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 178 packages to highest compatible versions
[INFO] [stderr]       Adding attohttpc v0.15.0 (available: v0.31.0)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.12.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7211ea594cbf137ef6118b1752b959dea7cb9088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded attohttpc v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c65ded7ed411df9b66736b40fd0aba3e9a67ec32d58f95ac15d8846629e54b20
[INFO] running `Command { std: "docker" "start" "c65ded7ed411df9b66736b40fd0aba3e9a67ec32d58f95ac15d8846629e54b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c65ded7ed411df9b66736b40fd0aba3e9a67ec32d58f95ac15d8846629e54b20", 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" "c65ded7ed411df9b66736b40fd0aba3e9a67ec32d58f95ac15d8846629e54b20" "/opt/rustwide/cargo-home/bin/cargo" "+7211ea594cbf137ef6118b1752b959dea7cb9088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c65ded7ed411df9b66736b40fd0aba3e9a67ec32d58f95ac15d8846629e54b20", 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" "c65ded7ed411df9b66736b40fd0aba3e9a67ec32d58f95ac15d8846629e54b20" "/opt/rustwide/cargo-home/bin/cargo" "+7211ea594cbf137ef6118b1752b959dea7cb9088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking futures-core v0.3.34
[INFO] [stderr]     Checking serde_json v1.0.154
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]     Checking tokio v1.53.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.13
[INFO] [stderr]     Checking openssl v0.10.81
[INFO] [stderr]     Checking pin-project v1.1.13
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking native-tls v0.2.18
[INFO] [stderr]     Checking attohttpc v0.15.0
[INFO] [stderr]     Checking datadog-logs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/logger/logger.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         &self.log(format!("{}", record.args()), level);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let _ = &self.log(format!("{}", record.args()), level);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/logger/logger.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         &self.log(format!("{}", record.args()), level);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let _ = &self.log(format!("{}", record.args()), level);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "c65ded7ed411df9b66736b40fd0aba3e9a67ec32d58f95ac15d8846629e54b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65ded7ed411df9b66736b40fd0aba3e9a67ec32d58f95ac15d8846629e54b20", kill_on_drop: false }`
[INFO] [stdout] c65ded7ed411df9b66736b40fd0aba3e9a67ec32d58f95ac15d8846629e54b20
