[INFO] fetching crate tmq-zmq 0.9.0...
[INFO] testing tmq-zmq-0.9.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate tmq-zmq 0.9.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tmq-zmq 0.9.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tmq-zmq 0.9.0
[INFO] tweaked toml for crates.io crate tmq-zmq 0.9.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tmq-zmq 0.9.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 132 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.7.0 (available: v2.10.0)
[INFO] [stderr]       Adding env_logger v0.5.13 (available: v0.11.8)
[INFO] [stderr]       Adding nix v0.11.1 (available: v0.30.1)
[INFO] [stderr]       Adding quickcheck v0.6.2 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.9.2)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aabf5a486c6c2400b39572abb75e574e002fb81a1261df64b86ff5acbda8754
[INFO] running `Command { std: "docker" "start" "-a" "5aabf5a486c6c2400b39572abb75e574e002fb81a1261df64b86ff5acbda8754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aabf5a486c6c2400b39572abb75e574e002fb81a1261df64b86ff5acbda8754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aabf5a486c6c2400b39572abb75e574e002fb81a1261df64b86ff5acbda8754", kill_on_drop: false }`
[INFO] [stdout] 5aabf5a486c6c2400b39572abb75e574e002fb81a1261df64b86ff5acbda8754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21d92f0f12cd41839c610e7492af8be9c5bece680e535fa8e6336d33dae2524b
[INFO] running `Command { std: "docker" "start" "-a" "21d92f0f12cd41839c610e7492af8be9c5bece680e535fa8e6336d33dae2524b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling tmq-zmq-sys v0.9.0
[INFO] [stderr]    Compiling tmq-zmq v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]  --> build.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"].into_iter() {
[INFO] [stdout]   |                                                                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]   = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"].into_iter() {
[INFO] [stdout] 7 +     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"].iter() {
[INFO] [stdout]   |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"].into_iter() {
[INFO] [stdout] 7 +     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"] {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]     --> src/lib.rs:1066:7
[INFO] [stdout]      |
[INFO] [stdout] 1066 | #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]     --> src/lib.rs:1073:7
[INFO] [stdout]      |
[INFO] [stdout] 1073 | #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sockopt.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut value = try!(get_bytes(sock, opt, size));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sockopt.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let result: i32 = try!(get(sock, opt));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/message.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | unsafe extern fn drop_msg_content_box(data: *mut c_void, _hint: *mut c_void) {
[INFO] [stdout]    |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:850:11
[INFO] [stdout]     |
[INFO] [stdout] 850 |     #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:860:11
[INFO] [stdout]     |
[INFO] [stdout] 860 |     #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:875:11
[INFO] [stdout]     |
[INFO] [stdout] 875 |     #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_GSSAPI`
[INFO] [stdout]    --> src/lib.rs:881:11
[INFO] [stdout]     |
[INFO] [stdout] 881 |     #[cfg(ZMQ_HAS_GSSAPI = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_GSSAPI, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_GSSAPI, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_GSSAPI`
[INFO] [stdout]    --> src/lib.rs:887:11
[INFO] [stdout]     |
[INFO] [stdout] 887 |     #[cfg(ZMQ_HAS_GSSAPI = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_GSSAPI, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_GSSAPI, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:472:33
[INFO] [stdout]     |
[INFO] [stdout] 472 |           sockopt_seq!(META { cfg($feature = "1") $($meta)* }, $($inner)*);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 683 | /     sockopts! {
[INFO] [stdout] 684 | |         /// Accessor for the `ZMQ_IPV6` option.
[INFO] [stdout] 685 | |         (is_ipv6, set_ipv6) => ZMQ_IPV6 as bool,
[INFO] [stdout] 686 | |         /// Accessor for the `ZMQ_IMMEDIATE` option.
[INFO] [stdout] ...   |
[INFO] [stdout] 700 | |         },
[INFO] [stdout] 701 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `sockopt_seq` which comes from the expansion of the macro `sockopts` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_GSSAPI`
[INFO] [stdout]    --> src/lib.rs:472:33
[INFO] [stdout]     |
[INFO] [stdout] 472 |           sockopt_seq!(META { cfg($feature = "1") $($meta)* }, $($inner)*);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 683 | /     sockopts! {
[INFO] [stdout] 684 | |         /// Accessor for the `ZMQ_IPV6` option.
[INFO] [stdout] 685 | |         (is_ipv6, set_ipv6) => ZMQ_IPV6 as bool,
[INFO] [stdout] 686 | |         /// Accessor for the `ZMQ_IMMEDIATE` option.
[INFO] [stdout] ...   |
[INFO] [stdout] 700 | |         },
[INFO] [stdout] 701 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_GSSAPI, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_GSSAPI, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `sockopt_seq` which comes from the expansion of the macro `sockopts` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:472:33
[INFO] [stdout]     |
[INFO] [stdout] 472 |           sockopt_seq!(META { cfg($feature = "1") $($meta)* }, $($inner)*);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 893 | /     sockopts! {
[INFO] [stdout] 894 | |         (_, set_socks_proxy) => ZMQ_SOCKS_PROXY as Option<&str>,
[INFO] [stdout] 895 | |         (_, set_plain_username) => ZMQ_PLAIN_USERNAME as Option<&str>,
[INFO] [stdout] 896 | |         (_, set_plain_password) => ZMQ_PLAIN_PASSWORD as Option<&str>,
[INFO] [stdout] ...   |
[INFO] [stdout] 907 | |         },
[INFO] [stdout] 908 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `sockopt_seq` which comes from the expansion of the macro `sockopts` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_GSSAPI`
[INFO] [stdout]    --> src/lib.rs:472:33
[INFO] [stdout]     |
[INFO] [stdout] 472 |           sockopt_seq!(META { cfg($feature = "1") $($meta)* }, $($inner)*);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 893 | /     sockopts! {
[INFO] [stdout] 894 | |         (_, set_socks_proxy) => ZMQ_SOCKS_PROXY as Option<&str>,
[INFO] [stdout] 895 | |         (_, set_plain_username) => ZMQ_PLAIN_USERNAME as Option<&str>,
[INFO] [stdout] 896 | |         (_, set_plain_password) => ZMQ_PLAIN_PASSWORD as Option<&str>,
[INFO] [stdout] ...   |
[INFO] [stdout] 907 | |         },
[INFO] [stdout] 908 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_GSSAPI, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_GSSAPI, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `sockopt_seq` which comes from the expansion of the macro `sockopts` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:618:17
[INFO] [stdout]     |
[INFO] [stdout] 618 |                 try!(self.send(last.into(), flags | SNDMORE));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:672:24
[INFO] [stdout]     |
[INFO] [stdout] 672 |             let part = try!(self.recv_bytes(flags));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:675:30
[INFO] [stdout]     |
[INFO] [stdout] 675 |             let more_parts = try!(self.get_rcvmore());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:930:1
[INFO] [stdout]     |
[INFO] [stdout] 930 | / bitflags! {
[INFO] [stdout] 931 | |     /// Type representing pending socket events.
[INFO] [stdout] 932 | |     pub flags PollEvents: i16 {
[INFO] [stdout] 933 | |         /// For `poll()`, specifies to signal when a message/some data
[INFO] [stdout] ...   |
[INFO] [stdout] 944 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:930:1
[INFO] [stdout]     |
[INFO] [stdout] 930 | / bitflags! {
[INFO] [stdout] 931 | |     /// Type representing pending socket events.
[INFO] [stdout] 932 | |     pub flags PollEvents: i16 {
[INFO] [stdout] 933 | |         /// For `poll()`, specifies to signal when a message/some data
[INFO] [stdout] ...   |
[INFO] [stdout] 944 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_ZMQ_HAS`
[INFO] [stdout]     --> src/lib.rs:1051:13
[INFO] [stdout]      |
[INFO] [stdout] 1051 |     if cfg!(ZMQ_HAS_ZMQ_HAS) {
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_ZMQ_HAS)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_ZMQ_HAS)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/lib.rs:1208:17
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     let c_str = try!(ffi::CString::new(data));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]  --> src/sockopt.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{c_int, c_uint, size_t, int64_t, uint64_t};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]  --> src/sockopt.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{c_int, c_uint, size_t, int64_t, uint64_t};
[INFO] [stdout]   |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/sockopt.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | getsockopt_num!(int64_t, i64);
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/sockopt.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 | getsockopt_num!(uint64_t, u64);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/lib.rs:1131:52
[INFO] [stdout]      |
[INFO] [stdout] 1131 |             EncodeError::FromUtf8Error(ref e) => e.description(),
[INFO] [stdout]      |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/lib.rs:1189:47
[INFO] [stdout]      |
[INFO] [stdout] 1189 |             DecodeError::NulError(ref e) => e.description(),
[INFO] [stdout]      |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:437:24
[INFO] [stdout]     |
[INFO] [stdout] 437 |                 panic!(errno_to_error());
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 437 |                 panic!("{}", errno_to_error());
[INFO] [stdout]     |                        +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 437 -                 panic!(errno_to_error());
[INFO] [stdout] 437 +                 std::panic::panic_any(errno_to_error());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:911:25
[INFO] [stdout]     |
[INFO] [stdout] 911 |     pub fn as_poll_item(&self, events: PollEvents) -> PollItem {
[INFO] [stdout]     |                         ^^^^^                         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 911 |     pub fn as_poll_item(&self, events: PollEvents) -> PollItem<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/message.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |             panic!(errno_to_error())
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 52 |             panic!("{}", errno_to_error())
[INFO] [stdout]    |                    +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 52 -             panic!(errno_to_error())
[INFO] [stdout] 52 +             std::panic::panic_any(errno_to_error())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "21d92f0f12cd41839c610e7492af8be9c5bece680e535fa8e6336d33dae2524b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d92f0f12cd41839c610e7492af8be9c5bece680e535fa8e6336d33dae2524b", kill_on_drop: false }`
[INFO] [stdout] 21d92f0f12cd41839c610e7492af8be9c5bece680e535fa8e6336d33dae2524b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8993131d670d50fc507896c539a7220bc7bef4a24943e4fbb12bc1755966c21e
[INFO] running `Command { std: "docker" "start" "-a" "8993131d670d50fc507896c539a7220bc7bef4a24943e4fbb12bc1755966c21e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]  --> build.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"].into_iter() {
[INFO] [stdout]   |                                                                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]   = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"].into_iter() {
[INFO] [stdout] 7 +     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"].iter() {
[INFO] [stdout]   |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"].into_iter() {
[INFO] [stdout] 7 +     for has in ["ipc", "pgm", "tipc", "norm", "curve", "gssapi"] {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]     --> src/lib.rs:1066:7
[INFO] [stdout]      |
[INFO] [stdout] 1066 | #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]     --> src/lib.rs:1073:7
[INFO] [stdout]      |
[INFO] [stdout] 1073 | #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sockopt.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut value = try!(get_bytes(sock, opt, size));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sockopt.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let result: i32 = try!(get(sock, opt));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/message.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | unsafe extern fn drop_msg_content_box(data: *mut c_void, _hint: *mut c_void) {
[INFO] [stdout]    |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:850:11
[INFO] [stdout]     |
[INFO] [stdout] 850 |     #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:860:11
[INFO] [stdout]     |
[INFO] [stdout] 860 |     #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:875:11
[INFO] [stdout]     |
[INFO] [stdout] 875 |     #[cfg(ZMQ_HAS_CURVE = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_GSSAPI`
[INFO] [stdout]    --> src/lib.rs:881:11
[INFO] [stdout]     |
[INFO] [stdout] 881 |     #[cfg(ZMQ_HAS_GSSAPI = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_GSSAPI, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_GSSAPI, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_GSSAPI`
[INFO] [stdout]    --> src/lib.rs:887:11
[INFO] [stdout]     |
[INFO] [stdout] 887 |     #[cfg(ZMQ_HAS_GSSAPI = "1")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_GSSAPI, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_GSSAPI, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:472:33
[INFO] [stdout]     |
[INFO] [stdout] 472 |           sockopt_seq!(META { cfg($feature = "1") $($meta)* }, $($inner)*);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 683 | /     sockopts! {
[INFO] [stdout] 684 | |         /// Accessor for the `ZMQ_IPV6` option.
[INFO] [stdout] 685 | |         (is_ipv6, set_ipv6) => ZMQ_IPV6 as bool,
[INFO] [stdout] 686 | |         /// Accessor for the `ZMQ_IMMEDIATE` option.
[INFO] [stdout] ...   |
[INFO] [stdout] 700 | |         },
[INFO] [stdout] 701 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `sockopt_seq` which comes from the expansion of the macro `sockopts` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_GSSAPI`
[INFO] [stdout]    --> src/lib.rs:472:33
[INFO] [stdout]     |
[INFO] [stdout] 472 |           sockopt_seq!(META { cfg($feature = "1") $($meta)* }, $($inner)*);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 683 | /     sockopts! {
[INFO] [stdout] 684 | |         /// Accessor for the `ZMQ_IPV6` option.
[INFO] [stdout] 685 | |         (is_ipv6, set_ipv6) => ZMQ_IPV6 as bool,
[INFO] [stdout] 686 | |         /// Accessor for the `ZMQ_IMMEDIATE` option.
[INFO] [stdout] ...   |
[INFO] [stdout] 700 | |         },
[INFO] [stdout] 701 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_GSSAPI, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_GSSAPI, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `sockopt_seq` which comes from the expansion of the macro `sockopts` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_CURVE`
[INFO] [stdout]    --> src/lib.rs:472:33
[INFO] [stdout]     |
[INFO] [stdout] 472 |           sockopt_seq!(META { cfg($feature = "1") $($meta)* }, $($inner)*);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 893 | /     sockopts! {
[INFO] [stdout] 894 | |         (_, set_socks_proxy) => ZMQ_SOCKS_PROXY as Option<&str>,
[INFO] [stdout] 895 | |         (_, set_plain_username) => ZMQ_PLAIN_USERNAME as Option<&str>,
[INFO] [stdout] 896 | |         (_, set_plain_password) => ZMQ_PLAIN_PASSWORD as Option<&str>,
[INFO] [stdout] ...   |
[INFO] [stdout] 907 | |         },
[INFO] [stdout] 908 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_CURVE, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_CURVE, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `sockopt_seq` which comes from the expansion of the macro `sockopts` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_GSSAPI`
[INFO] [stdout]    --> src/lib.rs:472:33
[INFO] [stdout]     |
[INFO] [stdout] 472 |           sockopt_seq!(META { cfg($feature = "1") $($meta)* }, $($inner)*);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 893 | /     sockopts! {
[INFO] [stdout] 894 | |         (_, set_socks_proxy) => ZMQ_SOCKS_PROXY as Option<&str>,
[INFO] [stdout] 895 | |         (_, set_plain_username) => ZMQ_PLAIN_USERNAME as Option<&str>,
[INFO] [stdout] 896 | |         (_, set_plain_password) => ZMQ_PLAIN_PASSWORD as Option<&str>,
[INFO] [stdout] ...   |
[INFO] [stdout] 907 | |         },
[INFO] [stdout] 908 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_GSSAPI, values("1"))'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_GSSAPI, values(\"1\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `sockopt_seq` which comes from the expansion of the macro `sockopts` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:618:17
[INFO] [stdout]     |
[INFO] [stdout] 618 |                 try!(self.send(last.into(), flags | SNDMORE));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:672:24
[INFO] [stdout]     |
[INFO] [stdout] 672 |             let part = try!(self.recv_bytes(flags));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:675:30
[INFO] [stdout]     |
[INFO] [stdout] 675 |             let more_parts = try!(self.get_rcvmore());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:930:1
[INFO] [stdout]     |
[INFO] [stdout] 930 | / bitflags! {
[INFO] [stdout] 931 | |     /// Type representing pending socket events.
[INFO] [stdout] 932 | |     pub flags PollEvents: i16 {
[INFO] [stdout] 933 | |         /// For `poll()`, specifies to signal when a message/some data
[INFO] [stdout] ...   |
[INFO] [stdout] 944 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:930:1
[INFO] [stdout]     |
[INFO] [stdout] 930 | / bitflags! {
[INFO] [stdout] 931 | |     /// Type representing pending socket events.
[INFO] [stdout] 932 | |     pub flags PollEvents: i16 {
[INFO] [stdout] 933 | |         /// For `poll()`, specifies to signal when a message/some data
[INFO] [stdout] ...   |
[INFO] [stdout] 944 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `ZMQ_HAS_ZMQ_HAS`
[INFO] [stdout]     --> src/lib.rs:1051:13
[INFO] [stdout]      |
[INFO] [stdout] 1051 |     if cfg!(ZMQ_HAS_ZMQ_HAS) {
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ZMQ_HAS_ZMQ_HAS)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ZMQ_HAS_ZMQ_HAS)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/lib.rs:1208:17
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     let c_str = try!(ffi::CString::new(data));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]  --> src/sockopt.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{c_int, c_uint, size_t, int64_t, uint64_t};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]  --> src/sockopt.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{c_int, c_uint, size_t, int64_t, uint64_t};
[INFO] [stdout]   |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/sockopt.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | getsockopt_num!(int64_t, i64);
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/sockopt.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 | getsockopt_num!(uint64_t, u64);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/lib.rs:1131:52
[INFO] [stdout]      |
[INFO] [stdout] 1131 |             EncodeError::FromUtf8Error(ref e) => e.description(),
[INFO] [stdout]      |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/lib.rs:1189:47
[INFO] [stdout]      |
[INFO] [stdout] 1189 |             DecodeError::NulError(ref e) => e.description(),
[INFO] [stdout]      |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:437:24
[INFO] [stdout]     |
[INFO] [stdout] 437 |                 panic!(errno_to_error());
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 437 |                 panic!("{}", errno_to_error());
[INFO] [stdout]     |                        +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 437 -                 panic!(errno_to_error());
[INFO] [stdout] 437 +                 std::panic::panic_any(errno_to_error());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:911:25
[INFO] [stdout]     |
[INFO] [stdout] 911 |     pub fn as_poll_item(&self, events: PollEvents) -> PollItem {
[INFO] [stdout]     |                         ^^^^^                         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 911 |     pub fn as_poll_item(&self, events: PollEvents) -> PollItem<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/message.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |             panic!(errno_to_error())
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 52 |             panic!("{}", errno_to_error())
[INFO] [stdout]    |                    +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 52 -             panic!(errno_to_error())
[INFO] [stdout] 52 +             std::panic::panic_any(errno_to_error())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling timebomb v0.1.2
[INFO] [stderr]    Compiling tmq-zmq v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `tmq-zmq` (example "rrclient") due to 1 previous error
[INFO] [stdout] error[E0463]: can't find crate for `zmq`
[INFO] [stdout]  --> examples/zguide/syncsub/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate zmq;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `zmq`
[INFO] [stdout]  --> examples/zguide/rrclient/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate zmq;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tmq-zmq` (example "syncsub") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `zmq`
[INFO] [stdout]  --> examples/zguide/version/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate zmq;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `zmq`
[INFO] [stdout]  --> examples/zguide/lvcache/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate zmq;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tmq-zmq` (example "version") due to 1 previous error
[INFO] [stdout] error[E0463]: can't find crate for `zmq`
[INFO] [stdout]  --> examples/zguide/pathopub/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate zmq;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `zmq`
[INFO] [stdout]  --> examples/zguide/weather_server/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate zmq;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tmq-zmq` (example "lvcache") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tmq-zmq` (example "pathopub") due to 1 previous error
[INFO] [stdout] error[E0463]: can't find crate for `zmq`
[INFO] [stdout]  --> examples/zguide/taskvent/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate zmq;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tmq-zmq` (example "weather_server") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tmq-zmq` (example "taskvent") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8993131d670d50fc507896c539a7220bc7bef4a24943e4fbb12bc1755966c21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8993131d670d50fc507896c539a7220bc7bef4a24943e4fbb12bc1755966c21e", kill_on_drop: false }`
[INFO] [stdout] 8993131d670d50fc507896c539a7220bc7bef4a24943e4fbb12bc1755966c21e
