[INFO] cloning repository https://github.com/marek-g/it9910hd_fusefs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marek-g/it9910hd_fusefs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarek-g%2Fit9910hd_fusefs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarek-g%2Fit9910hd_fusefs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62293cb45b929d0aa71e3f6a28b4c87f6f7b62e9
[INFO] documenting marek-g/it9910hd_fusefs against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarek-g%2Fit9910hd_fusefs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marek-g/it9910hd_fusefs 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 git repo https://github.com/marek-g/it9910hd_fusefs
[INFO] finished tweaking git repo https://github.com/marek-g/it9910hd_fusefs
[INFO] tweaked toml for git repo https://github.com/marek-g/it9910hd_fusefs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/marek-g/it9910hd_fusefs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dee7755ad60fba7a6805ef31d2207737bc66c0cf8a45a42296434f6bab571ad
[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" "8dee7755ad60fba7a6805ef31d2207737bc66c0cf8a45a42296434f6bab571ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dee7755ad60fba7a6805ef31d2207737bc66c0cf8a45a42296434f6bab571ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dee7755ad60fba7a6805ef31d2207737bc66c0cf8a45a42296434f6bab571ad", kill_on_drop: false }`
[INFO] [stdout] 8dee7755ad60fba7a6805ef31d2207737bc66c0cf8a45a42296434f6bab571ad
[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" "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] e3c1e290b601bf33e59bcbc06c6b7f03e02f1c9b73891ccb13008f6aebe9e747
[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" "e3c1e290b601bf33e59bcbc06c6b7f03e02f1c9b73891ccb13008f6aebe9e747", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking fuse-abi v0.4.0-dev (https://github.com/zargony/rust-fuse#54c8405d)
[INFO] [stderr]    Compiling fuse-sys v0.4.0-dev (https://github.com/zargony/rust-fuse#54c8405d)
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]     Checking thread-priority v0.1.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking fuse v0.4.0-dev (https://github.com/zargony/rust-fuse#54c8405d)
[INFO] [stderr]     Checking libusb v0.3.0
[INFO] [stderr]  Documenting it9910hd_fusefs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/it9910hd_driver.rs:233:44
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn get_hw_grabber(&mut self) -> Result<(i32), String> {
[INFO] [stdout]     |                                            ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "e3c1e290b601bf33e59bcbc06c6b7f03e02f1c9b73891ccb13008f6aebe9e747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c1e290b601bf33e59bcbc06c6b7f03e02f1c9b73891ccb13008f6aebe9e747", kill_on_drop: false }`
[INFO] [stdout] e3c1e290b601bf33e59bcbc06c6b7f03e02f1c9b73891ccb13008f6aebe9e747