[INFO] fetching crate zedmq 0.7.0...
[INFO] checking zedmq-0.7.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate zedmq 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate zedmq 0.7.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zedmq 0.7.0
[INFO] finished tweaking crates.io crate zedmq 0.7.0
[INFO] tweaked toml for crates.io crate zedmq 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate zedmq 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfae0c1a07152989a519f62db1b70d949106cc10fefcd8bc9bdeb69843b6b179
[INFO] running `Command { std: "docker" "start" "-a" "bfae0c1a07152989a519f62db1b70d949106cc10fefcd8bc9bdeb69843b6b179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfae0c1a07152989a519f62db1b70d949106cc10fefcd8bc9bdeb69843b6b179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfae0c1a07152989a519f62db1b70d949106cc10fefcd8bc9bdeb69843b6b179", kill_on_drop: false }`
[INFO] [stdout] bfae0c1a07152989a519f62db1b70d949106cc10fefcd8bc9bdeb69843b6b179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b8d775d6a5230687013b3232c9abc0ec9b8d184e09cd9daa20be5d59d3340a
[INFO] running `Command { std: "docker" "start" "-a" "f9b8d775d6a5230687013b3232c9abc0ec9b8d184e09cd9daa20be5d59d3340a", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking zedmq v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `codec::FrameBuf`
[INFO] [stdout]  --> src/socket_type/sub_t.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{codec::FrameBuf, stream::Stream};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bind` is never constructed
[INFO] [stdout]   --> src/stream.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) enum Position<L, R> {
[INFO] [stdout]    |                 -------- variant in this enum
[INFO] [stdout] 11 |     Connect(L),
[INFO] [stdout] 12 |     Bind(R),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/socket_type/pub_t.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Pub {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/socket_type/pub_t.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn send(&mut self, bytes: Vec<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stdout] warning: unused import: `codec::FrameBuf`
[INFO] [stdout]  --> src/socket_type/sub_t.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{codec::FrameBuf, stream::Stream};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bind` is never constructed
[INFO] [stdout]   --> src/stream.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) enum Position<L, R> {
[INFO] [stdout]    |                 -------- variant in this enum
[INFO] [stdout] 11 |     Connect(L),
[INFO] [stdout] 12 |     Bind(R),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "f9b8d775d6a5230687013b3232c9abc0ec9b8d184e09cd9daa20be5d59d3340a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b8d775d6a5230687013b3232c9abc0ec9b8d184e09cd9daa20be5d59d3340a", kill_on_drop: false }`
[INFO] [stdout] f9b8d775d6a5230687013b3232c9abc0ec9b8d184e09cd9daa20be5d59d3340a
[INFO] checking zedmq-0.7.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate zedmq 0.7.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate zedmq 0.7.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zedmq 0.7.0
[INFO] finished tweaking crates.io crate zedmq 0.7.0
[INFO] tweaked toml for crates.io crate zedmq 0.7.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate zedmq 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f10ba538d346ba6a57c0db7c9cacbe212a245f2b53b7418b39fb73fa69194674
[INFO] running `Command { std: "docker" "start" "-a" "f10ba538d346ba6a57c0db7c9cacbe212a245f2b53b7418b39fb73fa69194674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f10ba538d346ba6a57c0db7c9cacbe212a245f2b53b7418b39fb73fa69194674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10ba538d346ba6a57c0db7c9cacbe212a245f2b53b7418b39fb73fa69194674", kill_on_drop: false }`
[INFO] [stdout] f10ba538d346ba6a57c0db7c9cacbe212a245f2b53b7418b39fb73fa69194674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 885aaff816210f96e50cb1f283abb703eaba9db2e8c0dcd69c61fc524b732f98
[INFO] running `Command { std: "docker" "start" "-a" "885aaff816210f96e50cb1f283abb703eaba9db2e8c0dcd69c61fc524b732f98", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking zedmq v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `codec::FrameBuf`
[INFO] [stdout]  --> src/socket_type/sub_t.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{codec::FrameBuf, stream::Stream};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bind` is never constructed
[INFO] [stdout]   --> src/stream.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) enum Position<L, R> {
[INFO] [stdout]    |                 -------- variant in this enum
[INFO] [stdout] 11 |     Connect(L),
[INFO] [stdout] 12 |     Bind(R),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/socket_type/pub_t.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Pub {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/socket_type/pub_t.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn send(&mut self, bytes: Vec<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stdout] warning: unused import: `codec::FrameBuf`
[INFO] [stdout]  --> src/socket_type/sub_t.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{codec::FrameBuf, stream::Stream};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> examples/sub_connect.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     thread::spawn(move || loop {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 24 ~     thread::spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 25 |         pubs.send_multipart(vec![vec![0xDE, 0xAD, 0xBE, 0xEF]], 0x00).unwrap();
[INFO] [stdout] 26 |         eprintln!("Tick.");
[INFO] [stdout] 27 |         thread::sleep(Duration::from_millis(333));
[INFO] [stdout] 28 ~     } });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zedmq` (example "sub_connect") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant `Bind` is never constructed
[INFO] [stdout]   --> src/stream.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) enum Position<L, R> {
[INFO] [stdout]    |                 -------- variant in this enum
[INFO] [stdout] 11 |     Connect(L),
[INFO] [stdout] 12 |     Bind(R),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "885aaff816210f96e50cb1f283abb703eaba9db2e8c0dcd69c61fc524b732f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885aaff816210f96e50cb1f283abb703eaba9db2e8c0dcd69c61fc524b732f98", kill_on_drop: false }`
[INFO] [stdout] 885aaff816210f96e50cb1f283abb703eaba9db2e8c0dcd69c61fc524b732f98