[INFO] fetching crate zmq-sys 0.11.0...
[INFO] checking zmq-sys-0.11.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate zmq-sys 0.11.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate zmq-sys 0.11.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zmq-sys 0.11.0
[INFO] finished tweaking crates.io crate zmq-sys 0.11.0
[INFO] tweaked toml for crates.io crate zmq-sys 0.11.0 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeromq-src v0.1.10+4.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3079e077ae12e141b0a026c6d7c70992806b1cc2003dffa234aeaa125ae16cb
[INFO] running `Command { std: "docker" "start" "-a" "a3079e077ae12e141b0a026c6d7c70992806b1cc2003dffa234aeaa125ae16cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3079e077ae12e141b0a026c6d7c70992806b1cc2003dffa234aeaa125ae16cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3079e077ae12e141b0a026c6d7c70992806b1cc2003dffa234aeaa125ae16cb", kill_on_drop: false }`
[INFO] [stdout] a3079e077ae12e141b0a026c6d7c70992806b1cc2003dffa234aeaa125ae16cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 956b017ab09517992b04e85fbce1701de1ffb3cff4fc540802c4ea48bd8dd8af
[INFO] running `Command { std: "docker" "start" "-a" "956b017ab09517992b04e85fbce1701de1ffb3cff4fc540802c4ea48bd8dd8af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:34:35
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const EFSM:             i32 = (ZMQ_HAUSNUMERO + 51);
[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 assigned value
[INFO] [stdout]   --> src/errno.rs:35:35
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub const ENOCOMPATPROTO:   i32 = (ZMQ_HAUSNUMERO + 52);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub const ETERM:            i32 = (ZMQ_HAUSNUMERO + 53);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub const EMTHREAD:         i32 = (ZMQ_HAUSNUMERO + 54);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:41:38
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub const ENOTSUP_ALT:         i32 = (ZMQ_HAUSNUMERO + 1);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:42:38
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub const EPROTONOSUPPORT_ALT: i32 = (ZMQ_HAUSNUMERO + 2);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const ENOBUFS_ALT:         i32 = (ZMQ_HAUSNUMERO + 3);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const ENETDOWN_ALT:        i32 = (ZMQ_HAUSNUMERO + 4);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:45:38
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const EADDRINUSE_ALT:      i32 = (ZMQ_HAUSNUMERO + 5);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:46:38
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const EADDRNOTAVAIL_ALT:   i32 = (ZMQ_HAUSNUMERO + 6);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:47:38
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub const ECONNREFUSED_ALT:    i32 = (ZMQ_HAUSNUMERO + 7);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub const EINPROGRESS_ALT:     i32 = (ZMQ_HAUSNUMERO + 8);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub const ENOTSOCK_ALT:        i32 = (ZMQ_HAUSNUMERO + 9);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const EMSGSIZE_ALT:        i32 = (ZMQ_HAUSNUMERO + 10);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub const EAFNOSUPPORT_ALT:    i32 = (ZMQ_HAUSNUMERO + 11);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub const ENETUNREACH_ALT:     i32 = (ZMQ_HAUSNUMERO + 12);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub const ECONNABORTED_ALT:    i32 = (ZMQ_HAUSNUMERO + 13);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub const ECONNRESET_ALT:      i32 = (ZMQ_HAUSNUMERO + 14);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub const ENOTCONN_ALT:        i32 = (ZMQ_HAUSNUMERO + 15);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:56:38
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub const ETIMEDOUT_ALT:       i32 = (ZMQ_HAUSNUMERO + 16);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub const EHOSTUNREACH_ALT:    i32 = (ZMQ_HAUSNUMERO + 17);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:58:38
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub const ENETRESET_ALT:       i32 = (ZMQ_HAUSNUMERO + 18);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:34:35
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const EFSM:             i32 = (ZMQ_HAUSNUMERO + 51);
[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 assigned value
[INFO] [stdout]   --> src/errno.rs:35:35
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub const ENOCOMPATPROTO:   i32 = (ZMQ_HAUSNUMERO + 52);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub const ETERM:            i32 = (ZMQ_HAUSNUMERO + 53);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub const EMTHREAD:         i32 = (ZMQ_HAUSNUMERO + 54);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:41:38
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub const ENOTSUP_ALT:         i32 = (ZMQ_HAUSNUMERO + 1);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:42:38
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub const EPROTONOSUPPORT_ALT: i32 = (ZMQ_HAUSNUMERO + 2);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const ENOBUFS_ALT:         i32 = (ZMQ_HAUSNUMERO + 3);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const ENETDOWN_ALT:        i32 = (ZMQ_HAUSNUMERO + 4);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:45:38
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const EADDRINUSE_ALT:      i32 = (ZMQ_HAUSNUMERO + 5);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:46:38
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const EADDRNOTAVAIL_ALT:   i32 = (ZMQ_HAUSNUMERO + 6);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:47:38
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub const ECONNREFUSED_ALT:    i32 = (ZMQ_HAUSNUMERO + 7);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub const EINPROGRESS_ALT:     i32 = (ZMQ_HAUSNUMERO + 8);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub const ENOTSOCK_ALT:        i32 = (ZMQ_HAUSNUMERO + 9);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const EMSGSIZE_ALT:        i32 = (ZMQ_HAUSNUMERO + 10);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub const EAFNOSUPPORT_ALT:    i32 = (ZMQ_HAUSNUMERO + 11);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub const ENETUNREACH_ALT:     i32 = (ZMQ_HAUSNUMERO + 12);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub const ECONNABORTED_ALT:    i32 = (ZMQ_HAUSNUMERO + 13);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub const ECONNRESET_ALT:      i32 = (ZMQ_HAUSNUMERO + 14);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub const ENOTCONN_ALT:        i32 = (ZMQ_HAUSNUMERO + 15);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:56:38
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub const ETIMEDOUT_ALT:       i32 = (ZMQ_HAUSNUMERO + 16);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub const EHOSTUNREACH_ALT:    i32 = (ZMQ_HAUSNUMERO + 17);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:58:38
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub const ENETRESET_ALT:       i32 = (ZMQ_HAUSNUMERO + 18);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/ffi.rs:245:19
[INFO] [stdout]     |
[INFO] [stdout] 245 |         unsafe { &(*(::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/ffi.rs:430:19
[INFO] [stdout]     |
[INFO] [stdout] 430 |         unsafe { &(*(::std::ptr::null::<zmq_pollitem_t>())).socket 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/ffi.rs:440:19
[INFO] [stdout]     |
[INFO] [stdout] 440 |         unsafe { &(*(::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/ffi.rs:450:19
[INFO] [stdout]     |
[INFO] [stdout] 450 |         unsafe { &(*(::std::ptr::null::<zmq_pollitem_t>())).events 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/ffi.rs:460:19
[INFO] [stdout]     |
[INFO] [stdout] 460 |         unsafe { &(*(::std::ptr::null::<zmq_pollitem_t>())).revents as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `Command { std: "docker" "inspect" "956b017ab09517992b04e85fbce1701de1ffb3cff4fc540802c4ea48bd8dd8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956b017ab09517992b04e85fbce1701de1ffb3cff4fc540802c4ea48bd8dd8af", kill_on_drop: false }`
[INFO] [stdout] 956b017ab09517992b04e85fbce1701de1ffb3cff4fc540802c4ea48bd8dd8af