[INFO] cloning repository https://github.com/283953922/laes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/283953922/laes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F283953922%2Flaes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F283953922%2Flaes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 714828f50e1f8c59c7bc064a2fe119fe425aa1f0
[INFO] checking 283953922/laes against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F283953922%2Flaes" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/283953922/laes
[INFO] finished tweaking git repo https://github.com/283953922/laes
[INFO] tweaked toml for git repo https://github.com/283953922/laes written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/283953922/laes on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/283953922/laes 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" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b6c6b387121ad1356cccb982ef6c700d1c8a2d1c3e336725a7388b5eb392f62
[INFO] running `Command { std: "docker" "start" "-a" "3b6c6b387121ad1356cccb982ef6c700d1c8a2d1c3e336725a7388b5eb392f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b6c6b387121ad1356cccb982ef6c700d1c8a2d1c3e336725a7388b5eb392f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6c6b387121ad1356cccb982ef6c700d1c8a2d1c3e336725a7388b5eb392f62", kill_on_drop: false }`
[INFO] [stdout] 3b6c6b387121ad1356cccb982ef6c700d1c8a2d1c3e336725a7388b5eb392f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 363da93c282d3dcc578a2d40237ea2880040178af17d9cda27ce4b18b984ae52
[INFO] running `Command { std: "docker" "start" "-a" "363da93c282d3dcc578a2d40237ea2880040178af17d9cda27ce4b18b984ae52", kill_on_drop: false }`
[INFO] [stderr]     Checking laes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> tests/fut.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let conn = laes::execute(get_conn());
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to pattern match on the similarly named struct `Conn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -         let conn = laes::execute(get_conn());
[INFO] [stdout] 25 +         let test_async_func::Conn = laes::execute(get_conn());
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _conn = laes::execute(get_conn());
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_business` is never used
[INFO] [stdout]   --> tests/fut.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn do_business() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conn` is never constructed
[INFO] [stdout]   --> tests/fut.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     struct Conn;
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_conn` is never used
[INFO] [stdout]   --> tests/fut.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     async fn get_conn() -> Conn {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "363da93c282d3dcc578a2d40237ea2880040178af17d9cda27ce4b18b984ae52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363da93c282d3dcc578a2d40237ea2880040178af17d9cda27ce4b18b984ae52", kill_on_drop: false }`
[INFO] [stdout] 363da93c282d3dcc578a2d40237ea2880040178af17d9cda27ce4b18b984ae52
