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[INFO] building kharann/dumb-nats-rust-example against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharann%2Fdumb-nats-rust-example" "/workspace/builds/worker-16/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kharann/dumb-nats-rust-example on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
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[INFO] finished tweaking git repo https://github.com/kharann/dumb-nats-rust-example
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[INFO] crate git repo https://github.com/kharann/dumb-nats-rust-example already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling nats v0.7.2
[INFO] [stderr]    Compiling nats-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::task`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::task;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         _ => {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             nc.publish("app.1.voting", msg);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "7292b2d725e3679b681dad1a44865da6737e602fc2a8fe15122a2510223e8171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7292b2d725e3679b681dad1a44865da6737e602fc2a8fe15122a2510223e8171", kill_on_drop: false }`
[INFO] [stdout] 7292b2d725e3679b681dad1a44865da6737e602fc2a8fe15122a2510223e8171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b8dd73c5f34044570a3daecbcec51aa86b7c81aff92d6ad2e64a4be7e33808
[INFO] running `Command { std: "docker" "start" "-a" "77b8dd73c5f34044570a3daecbcec51aa86b7c81aff92d6ad2e64a4be7e33808", kill_on_drop: false }`
[INFO] [stderr]    Compiling nats-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::task`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::task;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         _ => {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             nc.publish("app.1.voting", msg);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.72s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/nats_example-ef62fd2fc38aec64)
[INFO] running `Command { std: "docker" "inspect" "77b8dd73c5f34044570a3daecbcec51aa86b7c81aff92d6ad2e64a4be7e33808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b8dd73c5f34044570a3daecbcec51aa86b7c81aff92d6ad2e64a4be7e33808", kill_on_drop: false }`
[INFO] [stdout] 77b8dd73c5f34044570a3daecbcec51aa86b7c81aff92d6ad2e64a4be7e33808