[INFO] cloning repository https://github.com/johnny-human/boilerplate-rust-nats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnny-human/boilerplate-rust-nats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnny-human%2Fboilerplate-rust-nats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnny-human%2Fboilerplate-rust-nats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a14c48b8ee119bd49854204d937ecbed424060f
[INFO] checking johnny-human/boilerplate-rust-nats against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnny-human%2Fboilerplate-rust-nats" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johnny-human/boilerplate-rust-nats
[INFO] finished tweaking git repo https://github.com/johnny-human/boilerplate-rust-nats
[INFO] tweaked toml for git repo https://github.com/johnny-human/boilerplate-rust-nats written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johnny-human/boilerplate-rust-nats on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johnny-human/boilerplate-rust-nats 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subtle-encoding v0.5.1
[INFO] [stderr]   Downloaded nats v0.13.0
[INFO] [stderr]   Downloaded base64-url v1.4.10
[INFO] [stderr]   Downloaded nkeys v0.1.0
[INFO] [stderr]   Downloaded ed25519 v1.2.0
[INFO] [stderr]   Downloaded sha2 v0.9.6
[INFO] [stderr]   Downloaded nuid v0.3.0
[INFO] [stderr]   Downloaded signatory v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee9e3f9364243e293ea0dd9681dc0c2a17ca670dac67885acac9ea00ec1b79a9
[INFO] running `Command { std: "docker" "start" "-a" "ee9e3f9364243e293ea0dd9681dc0c2a17ca670dac67885acac9ea00ec1b79a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee9e3f9364243e293ea0dd9681dc0c2a17ca670dac67885acac9ea00ec1b79a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9e3f9364243e293ea0dd9681dc0c2a17ca670dac67885acac9ea00ec1b79a9", kill_on_drop: false }`
[INFO] [stdout] ee9e3f9364243e293ea0dd9681dc0c2a17ca670dac67885acac9ea00ec1b79a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0000778b606798d67fbf8ed766735d4ae2b1cf511539e2e85bcfa69d8b90dcbb
[INFO] running `Command { std: "docker" "start" "-a" "0000778b606798d67fbf8ed766735d4ae2b1cf511539e2e85bcfa69d8b90dcbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking base64-url v1.4.10
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking sha2 v0.9.6
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking nuid v0.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking signatory v0.21.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking nkeys v0.1.0
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_json v1.0.67
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking nats v0.13.0
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir/hello)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: unused import: `nats::*`
[INFO] [stdout]  --> hello/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nats::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> hello/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     nc.publish("msg", "Hello World");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = nc.publish("msg", "Hello World");
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nats::*`
[INFO] [stdout]  --> hello/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nats::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> hello/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     nc.publish("msg", "Hello World");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = nc.publish("msg", "Hello World");
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.26s
[INFO] running `Command { std: "docker" "inspect" "0000778b606798d67fbf8ed766735d4ae2b1cf511539e2e85bcfa69d8b90dcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0000778b606798d67fbf8ed766735d4ae2b1cf511539e2e85bcfa69d8b90dcbb", kill_on_drop: false }`
[INFO] [stdout] 0000778b606798d67fbf8ed766735d4ae2b1cf511539e2e85bcfa69d8b90dcbb