[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] checking kharann/dumb-nats-rust-example against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharann%2Fdumb-nats-rust-example" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kharann/dumb-nats-rust-example on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-14/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2cd39529446b42dc976a4a1fdcfdc437343950a3b23f51d2f4755e066d46890 [INFO] running `Command { std: "docker" "start" "-a" "b2cd39529446b42dc976a4a1fdcfdc437343950a3b23f51d2f4755e066d46890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2cd39529446b42dc976a4a1fdcfdc437343950a3b23f51d2f4755e066d46890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2cd39529446b42dc976a4a1fdcfdc437343950a3b23f51d2f4755e066d46890", kill_on_drop: false }` [INFO] [stdout] b2cd39529446b42dc976a4a1fdcfdc437343950a3b23f51d2f4755e066d46890 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eabe80af01203dc0f1c17cf3d0642c8add04fab95013b3f71491397e85892678 [INFO] running `Command { std: "docker" "start" "-a" "eabe80af01203dc0f1c17cf3d0642c8add04fab95013b3f71491397e85892678", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.37 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking fastrand v1.3.3 [INFO] [stderr] Compiling subtle v2.2.3 [INFO] [stderr] Checking event-listener v2.3.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking parking v1.0.6 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking waker-fn v1.0.0 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking zeroize v1.1.0 [INFO] [stderr] Checking async-task v3.0.0 [INFO] [stderr] Checking vec-arena v0.5.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking easy-parallel v3.1.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking data-encoding v2.2.1 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking os_str_bytes v2.3.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling clear_on_drop v0.2.4 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Checking concurrent-queue v1.2.0 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking subtle-encoding v0.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Checking simple-mutex v1.1.5 [INFO] [stderr] Checking async-mutex v1.1.5 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking futures-lite v0.1.10 [INFO] [stderr] Checking base64-url v1.4.7 [INFO] [stderr] Checking multitask v0.2.0 [INFO] [stderr] Checking async-channel v1.4.0 [INFO] [stderr] Checking async-dup v1.2.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking blocking v0.5.0 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking async-io v0.1.9 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking async-executor v0.1.2 [INFO] [stderr] Checking smol v0.3.3 [INFO] [stderr] Compiling curve25519-dalek v1.2.4 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking nuid v0.2.1 [INFO] [stderr] Checking signature v1.0.0-pre.1 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking ed25519 v1.0.0-pre.1 [INFO] [stderr] Checking signatory v0.18.1 [INFO] [stderr] Checking webpki v0.21.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking ed25519-dalek v1.0.0-pre.2 [INFO] [stderr] Checking rustls v0.18.0 [INFO] [stderr] Checking webpki-roots v0.19.0 [INFO] [stderr] Checking signatory-dalek v0.18.1 [INFO] [stderr] Checking nkeys v0.0.9 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking rustls-native-certs v0.4.0 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking clap v3.0.0-beta.1 [INFO] [stderr] Checking serde v1.0.114 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking async-tls v0.8.0 [INFO] [stderr] Checking nats v0.7.2 [INFO] [stderr] Checking 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: 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: 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: 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] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.41s [INFO] running `Command { std: "docker" "inspect" "eabe80af01203dc0f1c17cf3d0642c8add04fab95013b3f71491397e85892678", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eabe80af01203dc0f1c17cf3d0642c8add04fab95013b3f71491397e85892678", kill_on_drop: false }` [INFO] [stdout] eabe80af01203dc0f1c17cf3d0642c8add04fab95013b3f71491397e85892678