[INFO] fetching crate rddl 0.1.1...
[INFO] checking rddl-0.1.1 against beta for pr-78714
[INFO] extracting crate rddl 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rddl 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rddl 0.1.1
[INFO] finished tweaking crates.io crate rddl 0.1.1
[INFO] tweaked toml for crates.io crate rddl 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 5276a8f292f6ad421aa926564d12a1b0275db3eb68acfb0a43e182ee6f84271d
[INFO] running `Command { std: "docker" "start" "-a" "5276a8f292f6ad421aa926564d12a1b0275db3eb68acfb0a43e182ee6f84271d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5276a8f292f6ad421aa926564d12a1b0275db3eb68acfb0a43e182ee6f84271d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5276a8f292f6ad421aa926564d12a1b0275db3eb68acfb0a43e182ee6f84271d", kill_on_drop: false }`
[INFO] [stdout] 5276a8f292f6ad421aa926564d12a1b0275db3eb68acfb0a43e182ee6f84271d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 560deab98d944235a9dfbde6fe46477152e6c5bb51caa137d446ad70c4471e8f
[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" "560deab98d944235a9dfbde6fe46477152e6c5bb51caa137d446ad70c4471e8f", kill_on_drop: false }`
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking rddl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parser.rs:144:2
[INFO] [stdout]     |
[INFO] [stdout] 144 |       ( seq(b"true").map(|_| PrimitiveValue::Bool(true))
[INFO] [stdout]     |  _____^
[INFO] [stdout] 145 | |     | seq(b"false").map(|_| PrimitiveValue::Bool(false))
[INFO] [stdout] 146 | |     | parse_u64().map(|num|PrimitiveValue::U64(num))
[INFO] [stdout] 147 | |     | parse_i64().map(|num|PrimitiveValue::I64(num))
[INFO] [stdout] ...   |
[INFO] [stdout] 151 | |     | primitive_type().map(|name| PrimitiveValue::Type(name))
[INFO] [stdout] 152 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 |     seq(b"true").map(|_| PrimitiveValue::Bool(true))
[INFO] [stdout] 145 |     | seq(b"false").map(|_| PrimitiveValue::Bool(false))
[INFO] [stdout] 146 |     | parse_u64().map(|num|PrimitiveValue::U64(num))
[INFO] [stdout] 147 |     | parse_i64().map(|num|PrimitiveValue::I64(num))
[INFO] [stdout] 148 |     | parse_f64().map(|num|PrimitiveValue::F64(num))
[INFO] [stdout] 149 |     | string().map(|text| PrimitiveValue::Str(text))
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parser.rs:144:2
[INFO] [stdout]     |
[INFO] [stdout] 144 |       ( seq(b"true").map(|_| PrimitiveValue::Bool(true))
[INFO] [stdout]     |  _____^
[INFO] [stdout] 145 | |     | seq(b"false").map(|_| PrimitiveValue::Bool(false))
[INFO] [stdout] 146 | |     | parse_u64().map(|num|PrimitiveValue::U64(num))
[INFO] [stdout] 147 | |     | parse_i64().map(|num|PrimitiveValue::I64(num))
[INFO] [stdout] ...   |
[INFO] [stdout] 151 | |     | primitive_type().map(|name| PrimitiveValue::Type(name))
[INFO] [stdout] 152 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 |     seq(b"true").map(|_| PrimitiveValue::Bool(true))
[INFO] [stdout] 145 |     | seq(b"false").map(|_| PrimitiveValue::Bool(false))
[INFO] [stdout] 146 |     | parse_u64().map(|num|PrimitiveValue::U64(num))
[INFO] [stdout] 147 |     | parse_i64().map(|num|PrimitiveValue::I64(num))
[INFO] [stdout] 148 |     | parse_f64().map(|num|PrimitiveValue::F64(num))
[INFO] [stdout] 149 |     | string().map(|text| PrimitiveValue::Str(text))
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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" "560deab98d944235a9dfbde6fe46477152e6c5bb51caa137d446ad70c4471e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560deab98d944235a9dfbde6fe46477152e6c5bb51caa137d446ad70c4471e8f", kill_on_drop: false }`
[INFO] [stdout] 560deab98d944235a9dfbde6fe46477152e6c5bb51caa137d446ad70c4471e8f