[INFO] fetching crate cyusb 0.9.0...
[INFO] documenting cyusb-0.9.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cyusb 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cyusb 0.9.0 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 cyusb 0.9.0
[INFO] finished tweaking crates.io crate cyusb 0.9.0
[INFO] tweaked toml for crates.io crate cyusb 0.9.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cyusb 0.9.0 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-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" "+1.46.0" "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] 8aab9ea731b027331c271b53929053362ca2d70844b0a2480573cbbdb2085b88
[INFO] running `Command { std: "docker" "start" "-a" "8aab9ea731b027331c271b53929053362ca2d70844b0a2480573cbbdb2085b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aab9ea731b027331c271b53929053362ca2d70844b0a2480573cbbdb2085b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aab9ea731b027331c271b53929053362ca2d70844b0a2480573cbbdb2085b88", kill_on_drop: false }`
[INFO] [stdout] 8aab9ea731b027331c271b53929053362ca2d70844b0a2480573cbbdb2085b88
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 379cb000220ca8022f30934a62888adb676f11f1e542c7537f7913336ea6e6a9
[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" "379cb000220ca8022f30934a62888adb676f11f1e542c7537f7913336ea6e6a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling libusb1-sys v0.3.1
[INFO] [stderr]     Checking rusb v0.5.2
[INFO] [stderr]     Checking structopt v0.3.1
[INFO] [stderr]     Checking cyusb v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cyusb v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `Command { std: "docker" "inspect" "379cb000220ca8022f30934a62888adb676f11f1e542c7537f7913336ea6e6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379cb000220ca8022f30934a62888adb676f11f1e542c7537f7913336ea6e6a9", kill_on_drop: false }`
[INFO] [stdout] 379cb000220ca8022f30934a62888adb676f11f1e542c7537f7913336ea6e6a9