[INFO] fetching crate pom-preview 3.0.4-alpha-1... [INFO] checking pom-preview-3.0.4-alpha-1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate pom-preview 3.0.4-alpha-1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate pom-preview 3.0.4-alpha-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 pom-preview 3.0.4-alpha-1 [INFO] finished tweaking crates.io crate pom-preview 3.0.4-alpha-1 [INFO] tweaked toml for crates.io crate pom-preview 3.0.4-alpha-1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate pom-preview 3.0.4-alpha-1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] 2a9becbd8c8442925830513144f5ebcf74072a68bb6b41e9c8c056dda17c65b5 [INFO] running `Command { std: "docker" "start" "-a" "2a9becbd8c8442925830513144f5ebcf74072a68bb6b41e9c8c056dda17c65b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a9becbd8c8442925830513144f5ebcf74072a68bb6b41e9c8c056dda17c65b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a9becbd8c8442925830513144f5ebcf74072a68bb6b41e9c8c056dda17c65b5", kill_on_drop: false }` [INFO] [stdout] 2a9becbd8c8442925830513144f5ebcf74072a68bb6b41e9c8c056dda17c65b5 [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] 739f02dec292372eef8cd4b75da2b1d044ee1cac21e4aaf9aec24700444295dd [INFO] running `Command { std: "docker" "start" "-a" "739f02dec292372eef8cd4b75da2b1d044ee1cac21e4aaf9aec24700444295dd", kill_on_drop: false }` [INFO] [stderr] Checking pom-preview v3.0.4-alpha-1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> examples/whitespace.rs:77:2 [INFO] [stdout] | [INFO] [stdout] 77 | / ( [INFO] [stdout] 78 | | whitespace() * [INFO] [stdout] | |________^ [INFO] [stdout] ... [INFO] [stdout] 82 | ) [INFO] [stdout] | __________^ [INFO] [stdout] 83 | | ) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 77 ~ whitespace() * [INFO] [stdout] 78 | list( [INFO] [stdout] 79 | call(container), [INFO] [stdout] 80 | whitespace() [INFO] [stdout] 81 ~ ) [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 0.95s [INFO] running `Command { std: "docker" "inspect" "739f02dec292372eef8cd4b75da2b1d044ee1cac21e4aaf9aec24700444295dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "739f02dec292372eef8cd4b75da2b1d044ee1cac21e4aaf9aec24700444295dd", kill_on_drop: false }` [INFO] [stdout] 739f02dec292372eef8cd4b75da2b1d044ee1cac21e4aaf9aec24700444295dd