[INFO] fetching crate libunwind-sys 0.5.0...
[INFO] documenting libunwind-sys-0.5.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate libunwind-sys 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libunwind-sys 0.5.0 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] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate libunwind-sys 0.5.0
[INFO] finished tweaking crates.io crate libunwind-sys 0.5.0
[INFO] tweaked toml for crates.io crate libunwind-sys 0.5.0 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 582c2933f08c8194a6a9b7fed89277d7945bb3924b5f85851fe57414a1c34495
[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" "582c2933f08c8194a6a9b7fed89277d7945bb3924b5f85851fe57414a1c34495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "582c2933f08c8194a6a9b7fed89277d7945bb3924b5f85851fe57414a1c34495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582c2933f08c8194a6a9b7fed89277d7945bb3924b5f85851fe57414a1c34495", kill_on_drop: false }`
[INFO] [stdout] 582c2933f08c8194a6a9b7fed89277d7945bb3924b5f85851fe57414a1c34495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 12f144d84e457daeb9ab37d24a8de71f906edc0de53151ec4d27fc59314b8006
[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" "12f144d84e457daeb9ab37d24a8de71f906edc0de53151ec4d27fc59314b8006", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling autotools v0.2.1
[INFO] [stderr]    Compiling libunwind-sys v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting libunwind-sys v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `u128`, which is not FFI-safe
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/libunwind-sys-b9e9a55369c1a484/out/bindings.rs:3:96078
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...1 : unw_addr_space_t , arg2 : unw_regnum_t , arg3 : * mut unw_fpreg_t , arg4 : :: std :: os :: raw :: c_int , arg5 : * mut :: std :: o...
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]   = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `u128`, which is not FFI-safe
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/libunwind-sys-b9e9a55369c1a484/out/bindings.rs:3:96685
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...int ; } extern "C" { pub static mut _UCD_accessors : unw_accessors_t ; }
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/x86_64.rs:16:46
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn unw_create_addr_space( accessors: *mut unw_accessors_t, byteorder: c_int) -> unw_addr_space_t;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/x86_64.rs:22:57
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn unw_get_accessors(arg1: unw_addr_space_t) -> *mut unw_accessors_t;
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/x86_64.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |         arg3: *mut unw_fpreg_t,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/x86_64.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |         arg3: unw_fpreg_t,
[INFO] [stdout]    |               ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "12f144d84e457daeb9ab37d24a8de71f906edc0de53151ec4d27fc59314b8006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f144d84e457daeb9ab37d24a8de71f906edc0de53151ec4d27fc59314b8006", kill_on_drop: false }`
[INFO] [stdout] 12f144d84e457daeb9ab37d24a8de71f906edc0de53151ec4d27fc59314b8006