[INFO] fetching crate datadog-logs 0.2.1... [INFO] checking datadog-logs-0.2.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate datadog-logs 0.2.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate datadog-logs 0.2.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 156 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding attohttpc v0.15.0 (latest: v0.28.0) [INFO] [stderr] Adding base64 v0.21.7 (latest: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding core-foundation v0.9.4 (latest: v0.10.0) [INFO] [stderr] Adding flume v0.10.14 (latest: v0.11.0) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding h2 v0.3.26 (latest: v0.4.6) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.4.6 (latest: v1.0.1) [INFO] [stderr] Adding hyper v0.14.30 (latest: v1.4.1) [INFO] [stderr] Adding hyper-rustls v0.24.2 (latest: v0.27.2) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding reqwest v0.11.27 (latest: v0.12.7) [INFO] [stderr] Adding rustls v0.21.12 (latest: v0.23.12) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (latest: v2.1.3) [INFO] [stderr] Adding rustls-webpki v0.101.7 (latest: v0.102.7) [INFO] [stderr] Adding sync_wrapper v0.1.2 (latest: v1.0.1) [INFO] [stderr] Adding system-configuration v0.5.1 (latest: v0.6.1) [INFO] [stderr] Adding system-configuration-sys v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding tokio-rustls v0.24.1 (latest: v0.26.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding webpki-roots v0.25.4 (latest: v0.26.5) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.59.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding winreg v0.50.0 (latest: v0.52.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cdc00599f4a09e8fe3222c974a2f4c43f140ab66344dea04036f2175bba2e88 [INFO] running `Command { std: "docker" "start" "-a" "5cdc00599f4a09e8fe3222c974a2f4c43f140ab66344dea04036f2175bba2e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cdc00599f4a09e8fe3222c974a2f4c43f140ab66344dea04036f2175bba2e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cdc00599f4a09e8fe3222c974a2f4c43f140ab66344dea04036f2175bba2e88", kill_on_drop: false }` [INFO] [stdout] 5cdc00599f4a09e8fe3222c974a2f4c43f140ab66344dea04036f2175bba2e88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 050db778e8af9beac7081320701213c4d9aaee9bc3d3c29cc3c765bb4b4f2a3b [INFO] running `Command { std: "docker" "start" "-a" "050db778e8af9beac7081320701213c4d9aaee9bc3d3c29cc3c765bb4b4f2a3b", kill_on_drop: false }` [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking openssl-sys v0.9.103 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking flate2 v1.0.33 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking openssl v0.10.66 [INFO] [stderr] Checking native-tls v0.2.12 [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)]` 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: 1 warning emitted [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)]` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s [INFO] running `Command { std: "docker" "inspect" "050db778e8af9beac7081320701213c4d9aaee9bc3d3c29cc3c765bb4b4f2a3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "050db778e8af9beac7081320701213c4d9aaee9bc3d3c29cc3c765bb4b4f2a3b", kill_on_drop: false }` [INFO] [stdout] 050db778e8af9beac7081320701213c4d9aaee9bc3d3c29cc3c765bb4b4f2a3b [INFO] checking datadog-logs-0.2.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate datadog-logs 0.2.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate datadog-logs 0.2.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 156 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding attohttpc v0.15.0 (latest: v0.28.0) [INFO] [stderr] Adding base64 v0.21.7 (latest: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding core-foundation v0.9.4 (latest: v0.10.0) [INFO] [stderr] Adding flume v0.10.14 (latest: v0.11.0) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding h2 v0.3.26 (latest: v0.4.6) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.4.6 (latest: v1.0.1) [INFO] [stderr] Adding hyper v0.14.30 (latest: v1.4.1) [INFO] [stderr] Adding hyper-rustls v0.24.2 (latest: v0.27.2) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding reqwest v0.11.27 (latest: v0.12.7) [INFO] [stderr] Adding rustls v0.21.12 (latest: v0.23.12) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (latest: v2.1.3) [INFO] [stderr] Adding rustls-webpki v0.101.7 (latest: v0.102.7) [INFO] [stderr] Adding sync_wrapper v0.1.2 (latest: v1.0.1) [INFO] [stderr] Adding system-configuration v0.5.1 (latest: v0.6.1) [INFO] [stderr] Adding system-configuration-sys v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding tokio-rustls v0.24.1 (latest: v0.26.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding webpki-roots v0.25.4 (latest: v0.26.5) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.59.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding winreg v0.50.0 (latest: v0.52.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09326b7e795bfa0159937e823df9027d266d2d0e81df5d533e180d0ae98f4990 [INFO] running `Command { std: "docker" "start" "-a" "09326b7e795bfa0159937e823df9027d266d2d0e81df5d533e180d0ae98f4990", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09326b7e795bfa0159937e823df9027d266d2d0e81df5d533e180d0ae98f4990", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09326b7e795bfa0159937e823df9027d266d2d0e81df5d533e180d0ae98f4990", kill_on_drop: false }` [INFO] [stdout] 09326b7e795bfa0159937e823df9027d266d2d0e81df5d533e180d0ae98f4990 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa8d569a9157de1e4a6f2d589762d36b2a2287bd56e64d856c69fd6adbad0c7c [INFO] running `Command { std: "docker" "start" "-a" "aa8d569a9157de1e4a6f2d589762d36b2a2287bd56e64d856c69fd6adbad0c7c", kill_on_drop: false }` [INFO] [stderr] Checking openssl-sys v0.9.103 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking flate2 v1.0.33 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking openssl v0.10.66 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking native-tls v0.2.12 [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)]` 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: 1 warning emitted [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)]` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.10s [INFO] running `Command { std: "docker" "inspect" "aa8d569a9157de1e4a6f2d589762d36b2a2287bd56e64d856c69fd6adbad0c7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa8d569a9157de1e4a6f2d589762d36b2a2287bd56e64d856c69fd6adbad0c7c", kill_on_drop: false }` [INFO] [stdout] aa8d569a9157de1e4a6f2d589762d36b2a2287bd56e64d856c69fd6adbad0c7c