[INFO] fetching crate kailua_check 1.1.0...
[INFO] documenting kailua_check-1.1.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate kailua_check 1.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate kailua_check 1.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kailua_check 1.1.0
[INFO] removed 0 missing tests
[INFO] removed path dependency kailua_diag from crates.io crate kailua_check 1.1.0
[INFO] removed path dependency kailua_env from crates.io crate kailua_check 1.1.0
[INFO] removed path dependency kailua_syntax from crates.io crate kailua_check 1.1.0
[INFO] removed path dependency kailua_types from crates.io crate kailua_check 1.1.0
[INFO] removed path dependency kailua_test from crates.io crate kailua_check 1.1.0
[INFO] finished tweaking crates.io crate kailua_check 1.1.0
[INFO] tweaked toml for crates.io crate kailua_check 1.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cb68cc4b3d2a06a0d604c4e93dcddc552d5c651afdd11fa723bf8ce84ec9c9e
[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" "4cb68cc4b3d2a06a0d604c4e93dcddc552d5c651afdd11fa723bf8ce84ec9c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cb68cc4b3d2a06a0d604c4e93dcddc552d5c651afdd11fa723bf8ce84ec9c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb68cc4b3d2a06a0d604c4e93dcddc552d5c651afdd11fa723bf8ce84ec9c9e", kill_on_drop: false }`
[INFO] [stdout] 4cb68cc4b3d2a06a0d604c4e93dcddc552d5c651afdd11fa723bf8ce84ec9c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 2eb58d13bae9cbe54be3fc1a153c9460bc52c104f082f2eaf18681856c4c5978
[INFO] running `Command { std: "docker" "start" "-a" "2eb58d13bae9cbe54be3fc1a153c9460bc52c104f082f2eaf18681856c4c5978", kill_on_drop: false }`
[INFO] [stderr]  Documenting kailua_check v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/class_system/gideros.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 | /         (lgen >= rgen &&
[INFO] [stdout] 296 | |          Ancestors::new(&classes, lhs).nth((lgen - rgen) as usize).map(|e| e.0) == Some(rhs))
[INFO] [stdout]     | |_____________________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 295 |         lgen >= rgen &&
[INFO] [stdout] 296 |          Ancestors::new(&classes, lhs).nth((lgen - rgen) as usize).map(|e| e.0) == Some(rhs)
[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 2.98s
[INFO] running `Command { std: "docker" "inspect" "2eb58d13bae9cbe54be3fc1a153c9460bc52c104f082f2eaf18681856c4c5978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb58d13bae9cbe54be3fc1a153c9460bc52c104f082f2eaf18681856c4c5978", kill_on_drop: false }`
[INFO] [stdout] 2eb58d13bae9cbe54be3fc1a153c9460bc52c104f082f2eaf18681856c4c5978
