[INFO] fetching crate rddl 0.1.1...
[INFO] checking rddl-0.1.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate rddl 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rddl 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-07-24" "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] e0fe57b6d96beb84bef7373d31172829335b9e691eeab9ffbe4e83772bb5edc5
[INFO] running `Command { std: "docker" "start" "-a" "e0fe57b6d96beb84bef7373d31172829335b9e691eeab9ffbe4e83772bb5edc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0fe57b6d96beb84bef7373d31172829335b9e691eeab9ffbe4e83772bb5edc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0fe57b6d96beb84bef7373d31172829335b9e691eeab9ffbe4e83772bb5edc5", kill_on_drop: false }`
[INFO] [stdout] e0fe57b6d96beb84bef7373d31172829335b9e691eeab9ffbe4e83772bb5edc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e9d2d26b16b989a6f4d0376a6ff3e6d64eeb14d2f5337ab31817368f536651b
[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" "2e9d2d26b16b989a6f4d0376a6ff3e6d64eeb14d2f5337ab31817368f536651b", kill_on_drop: false }`
[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 1.31s
[INFO] running `Command { std: "docker" "inspect" "2e9d2d26b16b989a6f4d0376a6ff3e6d64eeb14d2f5337ab31817368f536651b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9d2d26b16b989a6f4d0376a6ff3e6d64eeb14d2f5337ab31817368f536651b", kill_on_drop: false }`
[INFO] [stdout] 2e9d2d26b16b989a6f4d0376a6ff3e6d64eeb14d2f5337ab31817368f536651b
