[INFO] fetching crate tokio-async-io 0.1.0...
[INFO] building tokio-async-io-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tokio-async-io 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tokio-async-io 0.1.0
[INFO] finished tweaking crates.io crate tokio-async-io 0.1.0
[INFO] tweaked toml for crates.io crate tokio-async-io 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-async-io 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-async-io 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2369f1849bc22d0c558a5db0d705054f1fb24dffe084420d0685d750461914f1
[INFO] running `Command { std: "docker" "start" "-a" "2369f1849bc22d0c558a5db0d705054f1fb24dffe084420d0685d750461914f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2369f1849bc22d0c558a5db0d705054f1fb24dffe084420d0685d750461914f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2369f1849bc22d0c558a5db0d705054f1fb24dffe084420d0685d750461914f1", kill_on_drop: false }`
[INFO] [stdout] 2369f1849bc22d0c558a5db0d705054f1fb24dffe084420d0685d750461914f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2304717287e6faa6e634efd96f90dcbf48032334eb7f4a36e042d75be33872a7
[INFO] running `Command { std: "docker" "start" "-a" "2304717287e6faa6e634efd96f90dcbf48032334eb7f4a36e042d75be33872a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.15
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio-async-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "2304717287e6faa6e634efd96f90dcbf48032334eb7f4a36e042d75be33872a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2304717287e6faa6e634efd96f90dcbf48032334eb7f4a36e042d75be33872a7", kill_on_drop: false }`
[INFO] [stdout] 2304717287e6faa6e634efd96f90dcbf48032334eb7f4a36e042d75be33872a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffdde34b630bb832f818b310be3577f6dc552820021a35d3edad70e6667a45a8
[INFO] running `Command { std: "docker" "start" "-a" "ffdde34b630bb832f818b310be3577f6dc552820021a35d3edad70e6667a45a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-async-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `zmq`
[INFO] [stdout]  --> examples/zmq.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use zmq::{Context, PollEvents, Socket, SocketType, DONTWAIT, POLLIN, POLLOUT};
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `zmq`
[INFO] [stdout]   |
[INFO] [stdout] help: to make use of source file examples/zmq.rs, use `mod zmq` in this file to declare the module
[INFO] [stdout]   |
[INFO] [stdout] 1 + mod zmq;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `zmq`
[INFO] [stdout]   --> examples/zmq.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     mut f: impl FnMut(&Socket) -> zmq::Result<T>,
[INFO] [stdout]    |                                   ^^^ use of unresolved module or unlinked crate `zmq`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file examples/zmq.rs, use `mod zmq` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout]  1 + mod zmq;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `zmq`
[INFO] [stdout]   --> examples/zmq.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     f: impl FnMut(&Socket) -> zmq::Result<T>,
[INFO] [stdout]    |                               ^^^ use of unresolved module or unlinked crate `zmq`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file examples/zmq.rs, use `mod zmq` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout]  1 + mod zmq;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `zmq`
[INFO] [stdout]   --> examples/zmq.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |     f: impl FnMut(&Socket) -> zmq::Result<T>,
[INFO] [stdout]    |                               ^^^ use of unresolved module or unlinked crate `zmq`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file examples/zmq.rs, use `mod zmq` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout]  1 + mod zmq;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-async-io` (example "zmq") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ffdde34b630bb832f818b310be3577f6dc552820021a35d3edad70e6667a45a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffdde34b630bb832f818b310be3577f6dc552820021a35d3edad70e6667a45a8", kill_on_drop: false }`
[INFO] [stdout] ffdde34b630bb832f818b310be3577f6dc552820021a35d3edad70e6667a45a8