[INFO] fetching crate guifast 0.1.0...
[INFO] documenting guifast-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate guifast 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate guifast 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 guifast 0.1.0
[INFO] removed path dependency libflo from crates.io crate guifast 0.1.0
[INFO] removed path dependency libflo_error from crates.io crate guifast 0.1.0
[INFO] removed path dependency libflo_module from crates.io crate guifast 0.1.0
[INFO] removed path dependency mut_static from crates.io crate guifast 0.1.0
[INFO] finished tweaking crates.io crate guifast 0.1.0
[INFO] tweaked toml for crates.io crate guifast 0.1.0 written to /workspace/builds/worker-0/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bfcd5bfb34eac5c4be4ee6cd2e2c52eefda0a4bdc85860a28d8566c526a77fac
[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" "bfcd5bfb34eac5c4be4ee6cd2e2c52eefda0a4bdc85860a28d8566c526a77fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfcd5bfb34eac5c4be4ee6cd2e2c52eefda0a4bdc85860a28d8566c526a77fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcd5bfb34eac5c4be4ee6cd2e2c52eefda0a4bdc85860a28d8566c526a77fac", kill_on_drop: false }`
[INFO] [stdout] bfcd5bfb34eac5c4be4ee6cd2e2c52eefda0a4bdc85860a28d8566c526a77fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 778f918dfc8b2d28c18d62dcc0f1e81e06a8bd4ec79c0744e88e90b26bc70a60
[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" "778f918dfc8b2d28c18d62dcc0f1e81e06a8bd4ec79c0744e88e90b26bc70a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling sharedlib v6.0.0
[INFO] [stderr]    Compiling syntex_pos v0.44.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking libflo_error v0.1.2
[INFO] [stderr]     Checking mut_static v0.1.0
[INFO] [stderr]    Compiling syntex_errors v0.44.0
[INFO] [stderr]    Compiling syntex_syntax v0.44.1
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]    Compiling aster v0.27.0
[INFO] [stderr]    Compiling syntex v0.44.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.8.9
[INFO] [stderr]    Compiling quasi v0.20.1
[INFO] [stderr]    Compiling quasi_codegen v0.20.0
[INFO] [stderr]    Compiling serde_codegen v0.8.9
[INFO] [stderr]    Compiling libflo_module v0.1.2
[INFO] [stderr]    Compiling libflo_func v0.1.2
[INFO] [stderr]    Compiling libflo_dynamic_event v0.1.2
[INFO] [stderr]    Compiling libflo_event v0.1.2
[INFO] [stderr]    Compiling guifast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking libflo v0.1.2
[INFO] [stderr]  Documenting guifast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `dyn std::any::Any`, which is not FFI-safe
[INFO] [stdout]  --> src/func/construct.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern fn construct(libflo: &Any) -> FuncResult<()> {
[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: `extern` fn uses type `std::result::Result<(), libflo_error::Error>`, which is not FFI-safe
[INFO] [stdout]  --> src/func/construct.rs:9:42
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern fn construct(libflo: &Any) -> FuncResult<()> {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]   = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::result::Result<(), libflo_error::Error>`, which is not FFI-safe
[INFO] [stdout]  --> src/func/get.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub extern fn get() -> FuncResult<()> {
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]   = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.41s
[INFO] running `Command { std: "docker" "inspect" "778f918dfc8b2d28c18d62dcc0f1e81e06a8bd4ec79c0744e88e90b26bc70a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778f918dfc8b2d28c18d62dcc0f1e81e06a8bd4ec79c0744e88e90b26bc70a60", kill_on_drop: false }`
[INFO] [stdout] 778f918dfc8b2d28c18d62dcc0f1e81e06a8bd4ec79c0744e88e90b26bc70a60