[INFO] fetching crate goblin 0.2.3...
[INFO] documenting goblin-0.2.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate goblin 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate goblin 0.2.3 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate goblin 0.2.3
[INFO] finished tweaking crates.io crate goblin 0.2.3
[INFO] tweaked toml for crates.io crate goblin 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate goblin 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded plain v0.2.3
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 5f812390ac79e413238c68a5d9cc57cfa7c9e6a39f508400b4741f901f1218a4
[INFO] running `Command { std: "docker" "start" "-a" "5f812390ac79e413238c68a5d9cc57cfa7c9e6a39f508400b4741f901f1218a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f812390ac79e413238c68a5d9cc57cfa7c9e6a39f508400b4741f901f1218a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f812390ac79e413238c68a5d9cc57cfa7c9e6a39f508400b4741f901f1218a4", kill_on_drop: false }`
[INFO] [stdout] 5f812390ac79e413238c68a5d9cc57cfa7c9e6a39f508400b4741f901f1218a4
[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" "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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aafd81bff9259aada9707b2ba718c4e30cf28af167977f623e0179e1094ba2b2
[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" "aafd81bff9259aada9707b2ba718c4e30cf28af167977f623e0179e1094ba2b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]  Documenting goblin v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/mach/constants.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub const CPU_TYPE_X86_64: CpuType = (CPU_TYPE_X86 | CPU_ARCH_ABI64);
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/mach/constants.rs:227:41
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub const CPU_TYPE_ARM64: CpuType = (CPU_TYPE_ARM | CPU_ARCH_ABI64);
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/mach/constants.rs:228:44
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub const CPU_TYPE_ARM64_32: CpuType = (CPU_TYPE_ARM | CPU_ARCH_ABI64_32);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/mach/constants.rs:234:45
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub const CPU_TYPE_POWERPC64: CpuType = (CPU_TYPE_POWERPC | CPU_ARCH_ABI64);
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.97s
[INFO] running `Command { std: "docker" "inspect" "aafd81bff9259aada9707b2ba718c4e30cf28af167977f623e0179e1094ba2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafd81bff9259aada9707b2ba718c4e30cf28af167977f623e0179e1094ba2b2", kill_on_drop: false }`
[INFO] [stdout] aafd81bff9259aada9707b2ba718c4e30cf28af167977f623e0179e1094ba2b2