[INFO] fetching crate graphflo 0.1.0...
[INFO] documenting graphflo-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate graphflo 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate graphflo 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 graphflo 0.1.0
[INFO] removed path dependency libflo from crates.io crate graphflo 0.1.0
[INFO] removed path dependency libflo_error from crates.io crate graphflo 0.1.0
[INFO] removed path dependency libflo_module from crates.io crate graphflo 0.1.0
[INFO] removed path dependency mut_static from crates.io crate graphflo 0.1.0
[INFO] finished tweaking crates.io crate graphflo 0.1.0
[INFO] tweaked toml for crates.io crate graphflo 0.1.0 written to /workspace/builds/worker-5/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] db2217c3f5205c2aba4220a4120b15074d4cb39ecf7023a0936efb6a7c27bf4c
[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" "db2217c3f5205c2aba4220a4120b15074d4cb39ecf7023a0936efb6a7c27bf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2217c3f5205c2aba4220a4120b15074d4cb39ecf7023a0936efb6a7c27bf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2217c3f5205c2aba4220a4120b15074d4cb39ecf7023a0936efb6a7c27bf4c", kill_on_drop: false }`
[INFO] [stdout] db2217c3f5205c2aba4220a4120b15074d4cb39ecf7023a0936efb6a7c27bf4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1aaad5e57b1999c5c46eb2545721ed5309e5de5ba98af8cea0ffc01ac5a34b36
[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" "1aaad5e57b1999c5c46eb2545721ed5309e5de5ba98af8cea0ffc01ac5a34b36", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking dtoa v0.2.2
[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 serde_json v0.8.6
[INFO] [stderr]    Compiling syntex_errors v0.44.0
[INFO] [stderr]     Checking libflo_error v0.1.2
[INFO] [stderr]     Checking mut_static v0.1.0
[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 quasi v0.20.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.8.9
[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_event v0.1.2
[INFO] [stderr]    Compiling libflo_dynamic_event v0.1.2
[INFO] [stderr]    Compiling graphflo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking libflo v0.1.2
[INFO] [stderr]  Documenting graphflo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/graphflo-450a2eaddc3201a3/out/serde_types.rs:1127:41
[INFO] [stdout]      |
[INFO] [stdout] 1127 |             pub fn destructure(self) -> (Option<Vec<NodeDesc>>) {
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/payload.rs:12:33
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn destructure(self) -> (Vec<NodeDesc>) {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]  --> src/funcs/add_node.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub extern fn add_node(arg: &str) -> FuncResult<()> {
[INFO] [stdout]   |                             ^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]   = help: consider using `*const u8` and a length instead
[INFO] [stdout]   = note: string slices 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/funcs/add_node.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub extern fn add_node(arg: &str) -> 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 `str`, which is not FFI-safe
[INFO] [stdout]  --> src/funcs/connect_nodes.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub extern fn connect_nodes(arg: &str) -> FuncResult<()> {
[INFO] [stdout]   |                                  ^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `*const u8` and a length instead
[INFO] [stdout]   = note: string slices 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/funcs/connect_nodes.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub extern fn connect_nodes(arg: &str) -> 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 `dyn std::any::Any`, which is not FFI-safe
[INFO] [stdout]   --> src/funcs/construct.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub extern fn construct(libflo: &Any) -> FuncResult<()> {
[INFO] [stdout]    |                                 ^^^^ not FFI-safe
[INFO] [stdout]    |
[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/funcs/construct.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 | 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/funcs/get_resources.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub extern fn get_resources() -> 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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "1aaad5e57b1999c5c46eb2545721ed5309e5de5ba98af8cea0ffc01ac5a34b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aaad5e57b1999c5c46eb2545721ed5309e5de5ba98af8cea0ffc01ac5a34b36", kill_on_drop: false }`
[INFO] [stdout] 1aaad5e57b1999c5c46eb2545721ed5309e5de5ba98af8cea0ffc01ac5a34b36