[INFO] cloning repository https://github.com/brianobot/learning_async_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brianobot/learning_async_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianobot%2Flearning_async_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianobot%2Flearning_async_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 532a7027feab461208641ea5617a94747c8c2fc3
[INFO] checking brianobot/learning_async_rust against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianobot%2Flearning_async_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/brianobot/learning_async_rust
[INFO] finished tweaking git repo https://github.com/brianobot/learning_async_rust
[INFO] tweaked toml for git repo https://github.com/brianobot/learning_async_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brianobot/learning_async_rust on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/brianobot/learning_async_rust 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" "+011c518242557d21690f7936b5812318dc2fec47" "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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4f1b841e1a32d7a1b7e334b941207a73a615ef9233f831cef415a3c905e98b73
[INFO] running `Command { std: "docker" "start" "4f1b841e1a32d7a1b7e334b941207a73a615ef9233f831cef415a3c905e98b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f1b841e1a32d7a1b7e334b941207a73a615ef9233f831cef415a3c905e98b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f1b841e1a32d7a1b7e334b941207a73a615ef9233f831cef415a3c905e98b73" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f1b841e1a32d7a1b7e334b941207a73a615ef9233f831cef415a3c905e98b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f1b841e1a32d7a1b7e334b941207a73a615ef9233f831cef415a3c905e98b73" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.113
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking learning-async-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `run_all` is never used
[INFO] [stdout]   --> src/async_example.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub async fn run_all() {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_all` is never used
[INFO] [stdout]   --> src/async_example.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub async fn run_all() {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "4f1b841e1a32d7a1b7e334b941207a73a615ef9233f831cef415a3c905e98b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1b841e1a32d7a1b7e334b941207a73a615ef9233f831cef415a3c905e98b73", kill_on_drop: false }`
[INFO] [stdout] 4f1b841e1a32d7a1b7e334b941207a73a615ef9233f831cef415a3c905e98b73
