[INFO] fetching crate pom-preview 3.0.4-alpha-1...
[INFO] checking pom-preview-3.0.4-alpha-1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate pom-preview 3.0.4-alpha-1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pom-preview 3.0.4-alpha-1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-3/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2027ec296d8be3b13c8a187f4e36fe9fea948616b8c8d35bd765ae9dbb39b58b
[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" "2027ec296d8be3b13c8a187f4e36fe9fea948616b8c8d35bd765ae9dbb39b58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2027ec296d8be3b13c8a187f4e36fe9fea948616b8c8d35bd765ae9dbb39b58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2027ec296d8be3b13c8a187f4e36fe9fea948616b8c8d35bd765ae9dbb39b58b", kill_on_drop: false }`
[INFO] [stdout] 2027ec296d8be3b13c8a187f4e36fe9fea948616b8c8d35bd765ae9dbb39b58b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f89b339a180c727f7f3e20acef0a47963335ad85fc32b84024980f2bd3e9f6f1
[INFO] running `Command { std: "docker" "start" "-a" "f89b339a180c727f7f3e20acef0a47963335ad85fc32b84024980f2bd3e9f6f1", 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] 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 |     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 [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "f89b339a180c727f7f3e20acef0a47963335ad85fc32b84024980f2bd3e9f6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89b339a180c727f7f3e20acef0a47963335ad85fc32b84024980f2bd3e9f6f1", kill_on_drop: false }`
[INFO] [stdout] f89b339a180c727f7f3e20acef0a47963335ad85fc32b84024980f2bd3e9f6f1