[INFO] fetching crate mm_video 0.1.0...
[INFO] documenting mm_video-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate mm_video 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mm_video 0.1.0 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 mm_video 0.1.0
[INFO] finished tweaking crates.io crate mm_video 0.1.0
[INFO] tweaked toml for crates.io crate mm_video 0.1.0 written to /workspace/builds/worker-7/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] [stderr] warning: unused manifest key: target.i686-pc-windows-gnu.features
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.features
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 86ad3b2abba787218f9c4c03fb214c49aa91094786ba788180ce5ca77a3bf6cb
[INFO] running `Command { std: "docker" "start" "-a" "86ad3b2abba787218f9c4c03fb214c49aa91094786ba788180ce5ca77a3bf6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86ad3b2abba787218f9c4c03fb214c49aa91094786ba788180ce5ca77a3bf6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ad3b2abba787218f9c4c03fb214c49aa91094786ba788180ce5ca77a3bf6cb", kill_on_drop: false }`
[INFO] [stdout] 86ad3b2abba787218f9c4c03fb214c49aa91094786ba788180ce5ca77a3bf6cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ab1d6fad2af73746ab96d771fcad78ab8df16269b9427e805ecdbae35568ce98
[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" "ab1d6fad2af73746ab96d771fcad78ab8df16269b9427e805ecdbae35568ce98", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.i686-pc-windows-gnu.features
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.features
[INFO] [stderr]    Compiling mm_video v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]  Documenting mm_video v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `"kernel32-sys"`
[INFO] [stdout]   --> src/lib.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | extern crate "kernel32-sys" as kernel32;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `mm_video`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name mm_video src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-1ad3ad1e20beb97f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-75d540134d633bf3.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9de4bdcd0d606d7b.rmeta --extern x11=/opt/rustwide/target/debug/deps/libx11-6a44f2cf14d1ec7d.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "ab1d6fad2af73746ab96d771fcad78ab8df16269b9427e805ecdbae35568ce98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1d6fad2af73746ab96d771fcad78ab8df16269b9427e805ecdbae35568ce98", kill_on_drop: false }`
[INFO] [stdout] ab1d6fad2af73746ab96d771fcad78ab8df16269b9427e805ecdbae35568ce98