[INFO] fetching crate libzmq-sys 0.1.8+4.3.2...
[INFO] checking libzmq-sys-0.1.8+4.3.2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate libzmq-sys 0.1.8+4.3.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libzmq-sys 0.1.8+4.3.2 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libzmq-sys 0.1.8+4.3.2
[INFO] finished tweaking crates.io crate libzmq-sys 0.1.8+4.3.2
[INFO] tweaked toml for crates.io crate libzmq-sys 0.1.8+4.3.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c098a90010f40a6b301eeacb613ba822fd44bbf8596c92816cb687337625283
[INFO] running `Command { std: "docker" "start" "-a" "2c098a90010f40a6b301eeacb613ba822fd44bbf8596c92816cb687337625283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c098a90010f40a6b301eeacb613ba822fd44bbf8596c92816cb687337625283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c098a90010f40a6b301eeacb613ba822fd44bbf8596c92816cb687337625283", kill_on_drop: false }`
[INFO] [stdout] 2c098a90010f40a6b301eeacb613ba822fd44bbf8596c92816cb687337625283
[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" "RUSTFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a152062fc374ba717f1ed321c42c365ae9a055f90a76f70004e987bd220c34
[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" "35a152062fc374ba717f1ed321c42c365ae9a055f90a76f70004e987bd220c34", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking proc-macro2 v1.0.29
[INFO] [stderr]     Checking pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling libzmq-sys v0.1.8+4.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking syn v1.0.76
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindings.rs:292:14
[INFO] [stdout]     |
[INFO] [stdout] 292 |             &(*(::std::ptr::null::<zmq_msg_t>())).__ as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindings.rs:491:14
[INFO] [stdout]     |
[INFO] [stdout] 491 |             &(*(::std::ptr::null::<zmq_pollitem_t>())).socket as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindings.rs:504:14
[INFO] [stdout]     |
[INFO] [stdout] 504 |             &(*(::std::ptr::null::<zmq_pollitem_t>())).fd as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindings.rs:516:14
[INFO] [stdout]     |
[INFO] [stdout] 516 |             &(*(::std::ptr::null::<zmq_pollitem_t>())).events as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindings.rs:529:14
[INFO] [stdout]     |
[INFO] [stdout] 529 |             &(*(::std::ptr::null::<zmq_pollitem_t>())).revents as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindings.rs:801:14
[INFO] [stdout]     |
[INFO] [stdout] 801 |             &(*(::std::ptr::null::<zmq_poller_event_t>())).socket as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindings.rs:814:14
[INFO] [stdout]     |
[INFO] [stdout] 814 |             &(*(::std::ptr::null::<zmq_poller_event_t>())).fd as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindings.rs:827:14
[INFO] [stdout]     |
[INFO] [stdout] 827 |             &(*(::std::ptr::null::<zmq_poller_event_t>())).user_data as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindings.rs:840:14
[INFO] [stdout]     |
[INFO] [stdout] 840 |             &(*(::std::ptr::null::<zmq_poller_event_t>())).events as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.61s
[INFO] running `Command { std: "docker" "inspect" "35a152062fc374ba717f1ed321c42c365ae9a055f90a76f70004e987bd220c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a152062fc374ba717f1ed321c42c365ae9a055f90a76f70004e987bd220c34", kill_on_drop: false }`
[INFO] [stdout] 35a152062fc374ba717f1ed321c42c365ae9a055f90a76f70004e987bd220c34