[INFO] fetching crate web-async 0.1.1...
[INFO] checking web-async-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate web-async 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate web-async 0.1.1
[INFO] finished tweaking crates.io crate web-async 0.1.1
[INFO] tweaked toml for crates.io crate web-async 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate web-async 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate web-async 0.1.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 874ca001b25262b58462b6ab28317e6e19069d5acfc7d97f81e84489e506c607
[INFO] running `Command { std: "docker" "start" "-a" "874ca001b25262b58462b6ab28317e6e19069d5acfc7d97f81e84489e506c607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "874ca001b25262b58462b6ab28317e6e19069d5acfc7d97f81e84489e506c607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874ca001b25262b58462b6ab28317e6e19069d5acfc7d97f81e84489e506c607", kill_on_drop: false }`
[INFO] [stdout] 874ca001b25262b58462b6ab28317e6e19069d5acfc7d97f81e84489e506c607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a46fccc71eb85839f2215ea3710b20c458f131a2683a5d7244ac4e5a7a9166e6
[INFO] running `Command { std: "docker" "start" "-a" "a46fccc71eb85839f2215ea3710b20c458f131a2683a5d7244ac4e5a7a9166e6", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking web-async v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lock.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn lock(&self) -> LockGuard<T> {
[INFO] [stdout]    |                 ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn lock(&self) -> LockGuard<'_, T> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lock.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn lock(&self) -> LockGuard<T> {
[INFO] [stdout]    |                 ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn lock(&self) -> LockGuard<'_, T> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "a46fccc71eb85839f2215ea3710b20c458f131a2683a5d7244ac4e5a7a9166e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46fccc71eb85839f2215ea3710b20c458f131a2683a5d7244ac4e5a7a9166e6", kill_on_drop: false }`
[INFO] [stdout] a46fccc71eb85839f2215ea3710b20c458f131a2683a5d7244ac4e5a7a9166e6