[INFO] fetching crate gwd-backend-firefox 0.1.5...
[INFO] documenting gwd-backend-firefox-0.1.5 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate gwd-backend-firefox 0.1.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate gwd-backend-firefox 0.1.5 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 gwd-backend-firefox 0.1.5
[INFO] finished tweaking crates.io crate gwd-backend-firefox 0.1.5
[INFO] tweaked toml for crates.io crate gwd-backend-firefox 0.1.5 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] 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] [stdout] 59d26fcaaad41cc064f5da84fe827fb5bd7ca5b54c4fae127fa48431b1079c19
[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" "59d26fcaaad41cc064f5da84fe827fb5bd7ca5b54c4fae127fa48431b1079c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59d26fcaaad41cc064f5da84fe827fb5bd7ca5b54c4fae127fa48431b1079c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d26fcaaad41cc064f5da84fe827fb5bd7ca5b54c4fae127fa48431b1079c19", kill_on_drop: false }`
[INFO] [stdout] 59d26fcaaad41cc064f5da84fe827fb5bd7ca5b54c4fae127fa48431b1079c19
[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] 3916d58c6d23df8c07b82cf2052d8f6f6059220a617e64886b7e779052f0fab8
[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" "3916d58c6d23df8c07b82cf2052d8f6f6059220a617e64886b7e779052f0fab8", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking custom_error v1.7.1
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling getter-derive-rs v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.8
[INFO] [stderr]    Compiling godwit-daemon v0.1.10
[INFO] [stderr]  Documenting gwd-backend-firefox v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `dyn godwit_daemon::core::Registrar`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 | extern "C" fn register(registrar: &mut dyn Registrar) {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "3916d58c6d23df8c07b82cf2052d8f6f6059220a617e64886b7e779052f0fab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3916d58c6d23df8c07b82cf2052d8f6f6059220a617e64886b7e779052f0fab8", kill_on_drop: false }`
[INFO] [stdout] 3916d58c6d23df8c07b82cf2052d8f6f6059220a617e64886b7e779052f0fab8