[INFO] cloning repository https://github.com/kharann/dumb-nats-rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kharann/dumb-nats-rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharann%2Fdumb-nats-rust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharann%2Fdumb-nats-rust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3535d16f3b02ea792fbaabc9c6c4e0766a745fd1
[INFO] testing kharann/dumb-nats-rust-example against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharann%2Fdumb-nats-rust-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kharann/dumb-nats-rust-example on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kharann/dumb-nats-rust-example
[INFO] finished tweaking git repo https://github.com/kharann/dumb-nats-rust-example
[INFO] tweaked toml for git repo https://github.com/kharann/dumb-nats-rust-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kharann/dumb-nats-rust-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded syn v1.0.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c927844e5375bdfdecfec102edba582f01cf456da60fda70a9d6860a6882dae
[INFO] running `Command { std: "docker" "start" "-a" "4c927844e5375bdfdecfec102edba582f01cf456da60fda70a9d6860a6882dae", kill_on_drop: false }`
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[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling fastrand v1.3.3
[INFO] [stderr]    Compiling event-listener v2.3.0
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling vec-arena v0.5.0
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[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.57
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[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]    Compiling signatory-dalek v0.18.1
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[INFO] [stderr]    Compiling rustls v0.18.0
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling rustls-native-certs v0.4.0
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling async-tls v0.8.0
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c927844e5375bdfdecfec102edba582f01cf456da60fda70a9d6860a6882dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c927844e5375bdfdecfec102edba582f01cf456da60fda70a9d6860a6882dae", kill_on_drop: false }`
[INFO] [stdout] 4c927844e5375bdfdecfec102edba582f01cf456da60fda70a9d6860a6882dae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e722f0e7ef9b719cef594fc2142ef2c62afde34a14b8f06cabb9e9cbb69097d7
[INFO] running `Command { std: "docker" "start" "-a" "e722f0e7ef9b719cef594fc2142ef2c62afde34a14b8f06cabb9e9cbb69097d7", 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 1.07s
[INFO] running `Command { std: "docker" "inspect" "e722f0e7ef9b719cef594fc2142ef2c62afde34a14b8f06cabb9e9cbb69097d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e722f0e7ef9b719cef594fc2142ef2c62afde34a14b8f06cabb9e9cbb69097d7", kill_on_drop: false }`
[INFO] [stdout] e722f0e7ef9b719cef594fc2142ef2c62afde34a14b8f06cabb9e9cbb69097d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf5fe8917008bcc074c01286d56336218b09b0158205d55fff66e249bcd96f6c
[INFO] running `Command { std: "docker" "start" "-a" "bf5fe8917008bcc074c01286d56336218b09b0158205d55fff66e249bcd96f6c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tokio::task`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio::task;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         _ => {
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             nc.publish("app.1.voting", msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `nats-example` (bin "nats-example" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nats_example-0af05d5fb0342c17)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf5fe8917008bcc074c01286d56336218b09b0158205d55fff66e249bcd96f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5fe8917008bcc074c01286d56336218b09b0158205d55fff66e249bcd96f6c", kill_on_drop: false }`
[INFO] [stdout] bf5fe8917008bcc074c01286d56336218b09b0158205d55fff66e249bcd96f6c