[INFO] fetching crate libzmq-sys 0.1.8+4.3.2...
[INFO] checking libzmq-sys-0.1.8+4.3.2 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate libzmq-sys 0.1.8+4.3.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate libzmq-sys 0.1.8+4.3.2 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45ea7ffd2017e3498ceb431fba15d716112316227bd1771b534c11cefd8fc042
[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" "45ea7ffd2017e3498ceb431fba15d716112316227bd1771b534c11cefd8fc042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45ea7ffd2017e3498ceb431fba15d716112316227bd1771b534c11cefd8fc042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ea7ffd2017e3498ceb431fba15d716112316227bd1771b534c11cefd8fc042", kill_on_drop: false }`
[INFO] [stdout] 45ea7ffd2017e3498ceb431fba15d716112316227bd1771b534c11cefd8fc042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 8c58792a5d6267bcf32b35527719f6127419b2e8cb6ca6b59588b0af621cd055
[INFO] running `Command { std: "docker" "start" "-a" "8c58792a5d6267bcf32b35527719f6127419b2e8cb6ca6b59588b0af621cd055", kill_on_drop: false }`
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling libzmq-sys v0.1.8+4.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.72
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking regex v1.5.4
[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 1m 27s
[INFO] running `Command { std: "docker" "inspect" "8c58792a5d6267bcf32b35527719f6127419b2e8cb6ca6b59588b0af621cd055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c58792a5d6267bcf32b35527719f6127419b2e8cb6ca6b59588b0af621cd055", kill_on_drop: false }`
[INFO] [stdout] 8c58792a5d6267bcf32b35527719f6127419b2e8cb6ca6b59588b0af621cd055