[INFO] fetching crate open-coroutine-iouring 0.5.0...
[INFO] building open-coroutine-iouring-0.5.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate open-coroutine-iouring 0.5.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate open-coroutine-iouring 0.5.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding io-uring v0.6.4 (available: v0.7.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1b035fddc3e62791cc38d9b03e074f7c9d64a1b4a19589a6aca7bea9682d785
[INFO] running `Command { std: "docker" "start" "-a" "e1b035fddc3e62791cc38d9b03e074f7c9d64a1b4a19589a6aca7bea9682d785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b035fddc3e62791cc38d9b03e074f7c9d64a1b4a19589a6aca7bea9682d785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b035fddc3e62791cc38d9b03e074f7c9d64a1b4a19589a6aca7bea9682d785", kill_on_drop: false }`
[INFO] [stdout] e1b035fddc3e62791cc38d9b03e074f7c9d64a1b4a19589a6aca7bea9682d785
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03f9074ef5ce61e480620ee3c1e6b021c8783228f0bec2378b9931c2a386fa37
[INFO] running `Command { std: "docker" "start" "-a" "03f9074ef5ce61e480620ee3c1e6b021c8783228f0bec2378b9931c2a386fa37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling io-uring v0.6.4
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "03f9074ef5ce61e480620ee3c1e6b021c8783228f0bec2378b9931c2a386fa37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f9074ef5ce61e480620ee3c1e6b021c8783228f0bec2378b9931c2a386fa37", kill_on_drop: false }`
[INFO] [stdout] 03f9074ef5ce61e480620ee3c1e6b021c8783228f0bec2378b9931c2a386fa37
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6b829ef7f290ff00edb2b0a69a8a94114266f740e2cdd06a0b9877a5b6e0f1b
[INFO] running `Command { std: "docker" "start" "-a" "b6b829ef7f290ff00edb2b0a69a8a94114266f740e2cdd06a0b9877a5b6e0f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling slab v0.4.11
[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]    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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "b6b829ef7f290ff00edb2b0a69a8a94114266f740e2cdd06a0b9877a5b6e0f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b829ef7f290ff00edb2b0a69a8a94114266f740e2cdd06a0b9877a5b6e0f1b", kill_on_drop: false }`
[INFO] [stdout] b6b829ef7f290ff00edb2b0a69a8a94114266f740e2cdd06a0b9877a5b6e0f1b