[INFO] crate qmetaobject 0.1.4 is already in cache
[INFO] documenting qmetaobject-0.1.4 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate qmetaobject 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qmetaobject 0.1.4 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qmetaobject 0.1.4
[INFO] finished tweaking crates.io crate qmetaobject 0.1.4
[INFO] tweaked toml for crates.io crate qmetaobject 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0137fb6555c10ad8d9a3cb6288c2e744d56b05e865f019ee53f6a4521f6be85
[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" "f0137fb6555c10ad8d9a3cb6288c2e744d56b05e865f019ee53f6a4521f6be85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0137fb6555c10ad8d9a3cb6288c2e744d56b05e865f019ee53f6a4521f6be85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0137fb6555c10ad8d9a3cb6288c2e744d56b05e865f019ee53f6a4521f6be85", kill_on_drop: false }`
[INFO] [stdout] f0137fb6555c10ad8d9a3cb6288c2e744d56b05e865f019ee53f6a4521f6be85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b97bb9aa2176ad6111c17cd73e35815467166e694101cb3ffdd4ec5ca6ff1e14
[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" "b97bb9aa2176ad6111c17cd73e35815467166e694101cb3ffdd4ec5ca6ff1e14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling cpp_common v0.5.4
[INFO] [stderr]    Compiling cpp_build v0.5.4
[INFO] [stderr]    Compiling cpp_macros v0.5.4
[INFO] [stderr]    Compiling qmetaobject v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling qmetaobject_impl v0.1.4
[INFO] [stderr]     Checking cpp v0.5.4
[INFO] [stderr] warning: In file included from /usr/include/x86_64-linux-gnu/qt5/QtCore/qlocale.h:43,
[INFO] [stderr] warning:                  from /usr/include/x86_64-linux-gnu/qt5/QtCore/qtextstream.h:46,
[INFO] [stderr] warning:                  from /usr/include/x86_64-linux-gnu/qt5/QtCore/qdebug.h:49,
[INFO] [stderr] warning:                  from /usr/include/x86_64-linux-gnu/qt5/QtCore/QDebug:1,
[INFO] [stderr] warning:                  from /opt/rustwide/workdir/qmetaobject_rust.hpp:22,
[INFO] [stderr] warning:                  from src/lib.rs:181:
[INFO] [stderr] warning: /usr/include/x86_64-linux-gnu/qt5/QtCore/qvariant.h: In constructor 'QVariant::QVariant(QVariant&&)':
[INFO] [stderr] warning: /usr/include/x86_64-linux-gnu/qt5/QtCore/qvariant.h:275:25: warning: implicitly-declared 'QVariant::Private& QVariant::Private::operator=(const QVariant::Private&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:   275 |     { other.d = Private(); }
[INFO] [stderr] warning:       |                         ^
[INFO] [stderr] warning: /usr/include/x86_64-linux-gnu/qt5/QtCore/qvariant.h:401:16: note: because 'QVariant::Private' has user-provided 'QVariant::Private::Private(const QVariant::Private&)'
[INFO] [stderr] warning:   401 |         inline Private(const Private &other) Q_DECL_NOTHROW
[INFO] [stderr] warning:       |                ^~~~~~~
[INFO] [stderr]  Documenting qmetaobject v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `std::cell::RefCell<dyn QObject>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:516:51
[INFO] [stdout]     |
[INFO] [stdout] 516 | pub unsafe extern "C" fn RustObject_metaObject(p: *mut RefCell<dyn QObject>) -> *const QMetaObject {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::cell::RefCell<dyn QObject>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:522:49
[INFO] [stdout]     |
[INFO] [stdout] 522 | pub unsafe extern "C" fn RustObject_destruct(p: *mut RefCell<dyn QObject>) {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.90s
[INFO] running `Command { std: "docker" "inspect" "b97bb9aa2176ad6111c17cd73e35815467166e694101cb3ffdd4ec5ca6ff1e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97bb9aa2176ad6111c17cd73e35815467166e694101cb3ffdd4ec5ca6ff1e14", kill_on_drop: false }`
[INFO] [stdout] b97bb9aa2176ad6111c17cd73e35815467166e694101cb3ffdd4ec5ca6ff1e14