[INFO] fetching crate usbapi 0.2.1...
[INFO] documenting usbapi-0.2.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate usbapi 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate usbapi 0.2.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usbapi 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate usbapi 0.2.1
[INFO] tweaked toml for crates.io crate usbapi 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate usbapi 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v0.0.4
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded serde-hex v0.1.0
[INFO] [stderr]   Downloaded sysfs-serde v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24d55ac59ed57798ca83a239584b6f325a0eba371baecac60339c37bade707bd
[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" "24d55ac59ed57798ca83a239584b6f325a0eba371baecac60339c37bade707bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24d55ac59ed57798ca83a239584b6f325a0eba371baecac60339c37bade707bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d55ac59ed57798ca83a239584b6f325a0eba371baecac60339c37bade707bd", kill_on_drop: false }`
[INFO] [stdout] 24d55ac59ed57798ca83a239584b6f325a0eba371baecac60339c37bade707bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77bd10ba13f6d4aecc749c1b8dbb8c1259d872ffdbaa2e9d38ff9f8c2045eadd
[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" "77bd10ba13f6d4aecc749c1b8dbb8c1259d872ffdbaa2e9d38ff9f8c2045eadd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde-hex v0.1.0
[INFO] [stderr]     Checking sysfs-serde v0.2.0
[INFO] [stderr]  Documenting usbapi v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/os/linux/usbfs.rs:483:9
[INFO] [stdout]     |
[INFO] [stdout] 483 |       /// ```
[INFO] [stdout]     |  _________^
[INFO] [stdout] 484 | |     /// usb.control(ControlTransfer::new(0x21, 0x20, 0, 0, None, 1000);
[INFO] [stdout] 485 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: this file contains an unclosed delimiter
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 483 |     /// ```text
[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 28.18s
[INFO] running `Command { std: "docker" "inspect" "77bd10ba13f6d4aecc749c1b8dbb8c1259d872ffdbaa2e9d38ff9f8c2045eadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bd10ba13f6d4aecc749c1b8dbb8c1259d872ffdbaa2e9d38ff9f8c2045eadd", kill_on_drop: false }`
[INFO] [stdout] 77bd10ba13f6d4aecc749c1b8dbb8c1259d872ffdbaa2e9d38ff9f8c2045eadd
