[INFO] fetching crate cloak 0.2.0...
[INFO] documenting cloak-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cloak 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cloak 0.2.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cloak 0.2.0
[INFO] finished tweaking crates.io crate cloak 0.2.0
[INFO] tweaked toml for crates.io crate cloak 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.46.0" "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] e476a83ebd9771dece55f95590813ce34c47d4e5f0e893e3c1b820006baea027
[INFO] running `Command { std: "docker" "start" "-a" "e476a83ebd9771dece55f95590813ce34c47d4e5f0e893e3c1b820006baea027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e476a83ebd9771dece55f95590813ce34c47d4e5f0e893e3c1b820006baea027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e476a83ebd9771dece55f95590813ce34c47d4e5f0e893e3c1b820006baea027", kill_on_drop: false }`
[INFO] [stdout] e476a83ebd9771dece55f95590813ce34c47d4e5f0e893e3c1b820006baea027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42078f1fe876ca13811a4067992a35afbaabef382c22bec722482e97e842ebbf
[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" "42078f1fe876ca13811a4067992a35afbaabef382c22bec722482e97e842ebbf", kill_on_drop: false }`
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]  Documenting cloak v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fs.rs:40:53
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn recovery_codes(account_name: &str) -> Result<(PathBuf)> {
[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 type
[INFO] [stdout]   --> src/fs.rs:49:60
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_file_path(dir: &PathBuf, file_name: &str) -> Result<(PathBuf)> {
[INFO] [stdout]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `Command { std: "docker" "inspect" "42078f1fe876ca13811a4067992a35afbaabef382c22bec722482e97e842ebbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42078f1fe876ca13811a4067992a35afbaabef382c22bec722482e97e842ebbf", kill_on_drop: false }`
[INFO] [stdout] 42078f1fe876ca13811a4067992a35afbaabef382c22bec722482e97e842ebbf