[INFO] fetching crate open-coroutine-iouring 0.5.0...
[INFO] checking open-coroutine-iouring-0.5.0 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721-1
[INFO] extracting crate open-coroutine-iouring 0.5.0 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate open-coroutine-iouring 0.5.0 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "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 10 packages to latest compatible versions
[INFO] [stderr]       Adding io-uring v0.6.4 (available: v0.7.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab v0.4.12
[INFO] [stderr]   Downloaded shlex v2.0.1
[INFO] [stderr]   Downloaded io-uring v0.6.4
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.9
[INFO] [stderr]   Downloaded cc v1.2.65
[INFO] [stderr]   Downloaded anyhow v1.0.102
[INFO] [stderr]   Downloaded libc v0.2.186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6e3f23be40e18b7a97733c6360ce7177e660ce3055d82ce60557b43a4c453741
[INFO] running `Command { std: "docker" "start" "6e3f23be40e18b7a97733c6360ce7177e660ce3055d82ce60557b43a4c453741", 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" "6e3f23be40e18b7a97733c6360ce7177e660ce3055d82ce60557b43a4c453741" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3f23be40e18b7a97733c6360ce7177e660ce3055d82ce60557b43a4c453741", 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" "6e3f23be40e18b7a97733c6360ce7177e660ce3055d82ce60557b43a4c453741" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling cc v1.2.65
[INFO] [stderr]    Compiling open-coroutine-iouring v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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]     |                   ^^^^^ the lifetime is elided here                            ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type 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: hiding a lifetime that's elided elsewhere is 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]     |                   ^^^^^ the lifetime is elided here                            ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type 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 4.35s
[INFO] running `Command { std: "docker" "inspect" "6e3f23be40e18b7a97733c6360ce7177e660ce3055d82ce60557b43a4c453741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3f23be40e18b7a97733c6360ce7177e660ce3055d82ce60557b43a4c453741", kill_on_drop: false }`
[INFO] [stdout] 6e3f23be40e18b7a97733c6360ce7177e660ce3055d82ce60557b43a4c453741