[INFO] fetching crate open-coroutine-iouring 0.5.0...
[INFO] checking open-coroutine-iouring-0.5.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate open-coroutine-iouring 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate open-coroutine-iouring 0.5.0
[INFO] finished tweaking crates.io crate open-coroutine-iouring 0.5.0
[INFO] tweaked toml for crates.io crate open-coroutine-iouring 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate open-coroutine-iouring 0.5.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding io-uring v0.6.4 (available: v0.7.8)
[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] fd9383d46db4ecf41272bf64e4475aa9b62116321c98c46beaa79594118260b7
[INFO] running `Command { std: "docker" "start" "-a" "fd9383d46db4ecf41272bf64e4475aa9b62116321c98c46beaa79594118260b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9383d46db4ecf41272bf64e4475aa9b62116321c98c46beaa79594118260b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9383d46db4ecf41272bf64e4475aa9b62116321c98c46beaa79594118260b7", kill_on_drop: false }`
[INFO] [stdout] fd9383d46db4ecf41272bf64e4475aa9b62116321c98c46beaa79594118260b7
[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] 94f811447cca55a83d7ce5d6c195407216b97e095fa54ec2de141ef5a2c5a7dc
[INFO] running `Command { std: "docker" "start" "-a" "94f811447cca55a83d7ce5d6c195407216b97e095fa54ec2de141ef5a2c5a7dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling open-coroutine-iouring v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/io_uring.rs:132:19
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn select(&self, timeout: Option<Duration>) -> std::io::Result<(usize, CompletionQueue)> {
[INFO] [stdout]     |                   ^^^^^ this lifetime flows to the output                      --------------- the lifetime gets resolved as `'_`
[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] 132 |     pub fn select(&self, timeout: Option<Duration>) -> std::io::Result<(usize, CompletionQueue<'_>)> {
[INFO] [stdout]     |                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/io_uring.rs:132:19
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn select(&self, timeout: Option<Duration>) -> std::io::Result<(usize, CompletionQueue)> {
[INFO] [stdout]     |                   ^^^^^ this lifetime flows to the output                      --------------- the lifetime gets resolved as `'_`
[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] 132 |     pub fn select(&self, timeout: Option<Duration>) -> std::io::Result<(usize, CompletionQueue<'_>)> {
[INFO] [stdout]     |                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "94f811447cca55a83d7ce5d6c195407216b97e095fa54ec2de141ef5a2c5a7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f811447cca55a83d7ce5d6c195407216b97e095fa54ec2de141ef5a2c5a7dc", kill_on_drop: false }`
[INFO] [stdout] 94f811447cca55a83d7ce5d6c195407216b97e095fa54ec2de141ef5a2c5a7dc