[INFO] fetching crate zmq-sys 0.11.0...
[INFO] testing zmq-sys-0.11.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate zmq-sys 0.11.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate zmq-sys 0.11.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded toml v0.2.1
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54af6dd9b94ff2cdd00ba60015dde345ec31b5b418224da6ae8b80bf07e94b1f
[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" "54af6dd9b94ff2cdd00ba60015dde345ec31b5b418224da6ae8b80bf07e94b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54af6dd9b94ff2cdd00ba60015dde345ec31b5b418224da6ae8b80bf07e94b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54af6dd9b94ff2cdd00ba60015dde345ec31b5b418224da6ae8b80bf07e94b1f", kill_on_drop: false }`
[INFO] [stdout] 54af6dd9b94ff2cdd00ba60015dde345ec31b5b418224da6ae8b80bf07e94b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 4184819c9417fdfa4cc3d206292ca2f174ac521279c6a506d3a6e34652a7ecb7
[INFO] running `Command { std: "docker" "start" "-a" "4184819c9417fdfa4cc3d206292ca2f174ac521279c6a506d3a6e34652a7ecb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[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: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "4184819c9417fdfa4cc3d206292ca2f174ac521279c6a506d3a6e34652a7ecb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4184819c9417fdfa4cc3d206292ca2f174ac521279c6a506d3a6e34652a7ecb7", kill_on_drop: false }`
[INFO] [stdout] 4184819c9417fdfa4cc3d206292ca2f174ac521279c6a506d3a6e34652a7ecb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1479e2227ce0743f9265bdcd3810ecdd591bfc99a5098c8de9a389749d792257
[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" "1479e2227ce0743f9265bdcd3810ecdd591bfc99a5098c8de9a389749d792257", kill_on_drop: false }`
[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: 22 warnings emitted
[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: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "1479e2227ce0743f9265bdcd3810ecdd591bfc99a5098c8de9a389749d792257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1479e2227ce0743f9265bdcd3810ecdd591bfc99a5098c8de9a389749d792257", kill_on_drop: false }`
[INFO] [stdout] 1479e2227ce0743f9265bdcd3810ecdd591bfc99a5098c8de9a389749d792257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 752ef9fce17a1eeecbe49d284f710099d8af84d06683e3a2693d8232e3d12fa6
[INFO] running `Command { std: "docker" "start" "-a" "752ef9fce17a1eeecbe49d284f710099d8af84d06683e3a2693d8232e3d12fa6", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub const EFSM:             i32 = (ZMQ_HAUSNUMERO + 51);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:35:35
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub const ENOCOMPATPROTO:   i32 = (ZMQ_HAUSNUMERO + 52);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:36:35
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub const ETERM:            i32 = (ZMQ_HAUSNUMERO + 53);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:37:35
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub const EMTHREAD:         i32 = (ZMQ_HAUSNUMERO + 54);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:41:38
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub const ENOTSUP_ALT:         i32 = (ZMQ_HAUSNUMERO + 1);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub const EPROTONOSUPPORT_ALT: i32 = (ZMQ_HAUSNUMERO + 2);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:43:38
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub const ENOBUFS_ALT:         i32 = (ZMQ_HAUSNUMERO + 3);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:44:38
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub const ENETDOWN_ALT:        i32 = (ZMQ_HAUSNUMERO + 4);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub const EADDRINUSE_ALT:      i32 = (ZMQ_HAUSNUMERO + 5);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub const EADDRNOTAVAIL_ALT:   i32 = (ZMQ_HAUSNUMERO + 6);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:47:38
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub const ECONNREFUSED_ALT:    i32 = (ZMQ_HAUSNUMERO + 7);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub const EINPROGRESS_ALT:     i32 = (ZMQ_HAUSNUMERO + 8);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:49:38
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub const ENOTSOCK_ALT:        i32 = (ZMQ_HAUSNUMERO + 9);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:50:38
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub const EMSGSIZE_ALT:        i32 = (ZMQ_HAUSNUMERO + 10);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:51:38
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub const EAFNOSUPPORT_ALT:    i32 = (ZMQ_HAUSNUMERO + 11);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub const ENETUNREACH_ALT:     i32 = (ZMQ_HAUSNUMERO + 12);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub const ECONNABORTED_ALT:    i32 = (ZMQ_HAUSNUMERO + 13);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:54:38
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub const ECONNRESET_ALT:      i32 = (ZMQ_HAUSNUMERO + 14);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub const ENOTCONN_ALT:        i32 = (ZMQ_HAUSNUMERO + 15);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:56:38
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub const ETIMEDOUT_ALT:       i32 = (ZMQ_HAUSNUMERO + 16);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:57:38
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub const EHOSTUNREACH_ALT:    i32 = (ZMQ_HAUSNUMERO + 17);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:58:38
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub const ENETRESET_ALT:       i32 = (ZMQ_HAUSNUMERO + 18);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub const EFSM:             i32 = (ZMQ_HAUSNUMERO + 51);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:35:35
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub const ENOCOMPATPROTO:   i32 = (ZMQ_HAUSNUMERO + 52);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:36:35
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub const ETERM:            i32 = (ZMQ_HAUSNUMERO + 53);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:37:35
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub const EMTHREAD:         i32 = (ZMQ_HAUSNUMERO + 54);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:41:38
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub const ENOTSUP_ALT:         i32 = (ZMQ_HAUSNUMERO + 1);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub const EPROTONOSUPPORT_ALT: i32 = (ZMQ_HAUSNUMERO + 2);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:43:38
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub const ENOBUFS_ALT:         i32 = (ZMQ_HAUSNUMERO + 3);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:44:38
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub const ENETDOWN_ALT:        i32 = (ZMQ_HAUSNUMERO + 4);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub const EADDRINUSE_ALT:      i32 = (ZMQ_HAUSNUMERO + 5);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub const EADDRNOTAVAIL_ALT:   i32 = (ZMQ_HAUSNUMERO + 6);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:47:38
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub const ECONNREFUSED_ALT:    i32 = (ZMQ_HAUSNUMERO + 7);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub const EINPROGRESS_ALT:     i32 = (ZMQ_HAUSNUMERO + 8);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:49:38
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub const ENOTSOCK_ALT:        i32 = (ZMQ_HAUSNUMERO + 9);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:50:38
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub const EMSGSIZE_ALT:        i32 = (ZMQ_HAUSNUMERO + 10);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:51:38
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub const EAFNOSUPPORT_ALT:    i32 = (ZMQ_HAUSNUMERO + 11);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub const ENETUNREACH_ALT:     i32 = (ZMQ_HAUSNUMERO + 12);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub const ECONNABORTED_ALT:    i32 = (ZMQ_HAUSNUMERO + 13);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:54:38
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub const ECONNRESET_ALT:      i32 = (ZMQ_HAUSNUMERO + 14);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub const ENOTCONN_ALT:        i32 = (ZMQ_HAUSNUMERO + 15);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:56:38
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub const ETIMEDOUT_ALT:       i32 = (ZMQ_HAUSNUMERO + 16);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:57:38
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub const EHOSTUNREACH_ALT:    i32 = (ZMQ_HAUSNUMERO + 17);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/errno.rs:58:38
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub const ENETRESET_ALT:       i32 = (ZMQ_HAUSNUMERO + 18);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zmq_sys-8dd2fec34f4c2f8c
[INFO] [stderr]    Doc-tests zmq-sys
[INFO] [stdout] test ffi::bindgen_test_layout_zmq_msg_t ... ok
[INFO] [stdout] test ffi::bindgen_test_layout_zmq_pollitem_t ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub const EFSM:             i32 = (ZMQ_HAUSNUMERO + 51);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:35:35
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub const ENOCOMPATPROTO:   i32 = (ZMQ_HAUSNUMERO + 52);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:36:35
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub const ETERM:            i32 = (ZMQ_HAUSNUMERO + 53);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:37:35
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub const EMTHREAD:         i32 = (ZMQ_HAUSNUMERO + 54);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:41:38
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub const ENOTSUP_ALT:         i32 = (ZMQ_HAUSNUMERO + 1);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub const EPROTONOSUPPORT_ALT: i32 = (ZMQ_HAUSNUMERO + 2);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:43:38
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub const ENOBUFS_ALT:         i32 = (ZMQ_HAUSNUMERO + 3);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:44:38
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub const ENETDOWN_ALT:        i32 = (ZMQ_HAUSNUMERO + 4);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub const EADDRINUSE_ALT:      i32 = (ZMQ_HAUSNUMERO + 5);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub const EADDRNOTAVAIL_ALT:   i32 = (ZMQ_HAUSNUMERO + 6);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:47:38
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub const ECONNREFUSED_ALT:    i32 = (ZMQ_HAUSNUMERO + 7);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub const EINPROGRESS_ALT:     i32 = (ZMQ_HAUSNUMERO + 8);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:49:38
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub const ENOTSOCK_ALT:        i32 = (ZMQ_HAUSNUMERO + 9);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:50:38
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub const EMSGSIZE_ALT:        i32 = (ZMQ_HAUSNUMERO + 10);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:51:38
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub const EAFNOSUPPORT_ALT:    i32 = (ZMQ_HAUSNUMERO + 11);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub const ENETUNREACH_ALT:     i32 = (ZMQ_HAUSNUMERO + 12);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub const ECONNABORTED_ALT:    i32 = (ZMQ_HAUSNUMERO + 13);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:54:38
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub const ECONNRESET_ALT:      i32 = (ZMQ_HAUSNUMERO + 14);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub const ENOTCONN_ALT:        i32 = (ZMQ_HAUSNUMERO + 15);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:56:38
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub const ETIMEDOUT_ALT:       i32 = (ZMQ_HAUSNUMERO + 16);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:57:38
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub const EHOSTUNREACH_ALT:    i32 = (ZMQ_HAUSNUMERO + 17);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/errno.rs:58:38
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub const ENETRESET_ALT:       i32 = (ZMQ_HAUSNUMERO + 18);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "752ef9fce17a1eeecbe49d284f710099d8af84d06683e3a2693d8232e3d12fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752ef9fce17a1eeecbe49d284f710099d8af84d06683e3a2693d8232e3d12fa6", kill_on_drop: false }`
[INFO] [stdout] 752ef9fce17a1eeecbe49d284f710099d8af84d06683e3a2693d8232e3d12fa6