[INFO] fetching crate pom-preview 3.0.4-alpha-1... [INFO] checking pom-preview-3.0.4-alpha-1 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846 [INFO] extracting crate pom-preview 3.0.4-alpha-1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate pom-preview 3.0.4-alpha-1 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b19ba1246006b73df6859a528c8fe767208320d9aefca319a64fccaac7fca60e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b19ba1246006b73df6859a528c8fe767208320d9aefca319a64fccaac7fca60e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b19ba1246006b73df6859a528c8fe767208320d9aefca319a64fccaac7fca60e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b19ba1246006b73df6859a528c8fe767208320d9aefca319a64fccaac7fca60e", kill_on_drop: false }` [INFO] [stdout] b19ba1246006b73df6859a528c8fe767208320d9aefca319a64fccaac7fca60e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1962ea980da78bd0dd1799982c2d979d6282f05e226e695cf889546c18d65d44 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1962ea980da78bd0dd1799982c2d979d6282f05e226e695cf889546c18d65d44", 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] | _____^ [INFO] [stdout] 78 | | whitespace() * [INFO] [stdout] 79 | | list( [INFO] [stdout] 80 | | call(container), [INFO] [stdout] 81 | | whitespace() [INFO] [stdout] 82 | | ) [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 | [INFO] [stdout] 78 | whitespace() * [INFO] [stdout] 79 | list( [INFO] [stdout] 80 | call(container), [INFO] [stdout] 81 | whitespace() [INFO] [stdout] 82 | ) [INFO] [stdout] ... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.23s [INFO] running `Command { std: "docker" "inspect" "1962ea980da78bd0dd1799982c2d979d6282f05e226e695cf889546c18d65d44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1962ea980da78bd0dd1799982c2d979d6282f05e226e695cf889546c18d65d44", kill_on_drop: false }` [INFO] [stdout] 1962ea980da78bd0dd1799982c2d979d6282f05e226e695cf889546c18d65d44