[INFO] crate io-uring 0.3.4 is already in cache
[INFO] checking io-uring-0.3.4 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate io-uring 0.3.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate io-uring 0.3.4 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate io-uring 0.3.4
[INFO] finished tweaking crates.io crate io-uring 0.3.4
[INFO] tweaked toml for crates.io crate io-uring 0.3.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate io-uring 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54fb2b7f9860556c470a241384e83d005e2cbead8266b4934f50049ea8149baf
[INFO] running `"docker" "start" "-a" "54fb2b7f9860556c470a241384e83d005e2cbead8266b4934f50049ea8149baf"`
[INFO] [stderr]    Compiling io-uring v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling uring-sys v1.0.0-beta
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr] error: constants of type `*mut core::ffi::c_void` cannot be used in a pattern
[INFO] [stderr]   --> src/util.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 libc::MAP_FAILED => Err(io::Error::last_os_error()),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/util.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 addr => {
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `io-uring`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "54fb2b7f9860556c470a241384e83d005e2cbead8266b4934f50049ea8149baf"`
[INFO] running `"docker" "rm" "-f" "54fb2b7f9860556c470a241384e83d005e2cbead8266b4934f50049ea8149baf"`
[INFO] [stdout] 54fb2b7f9860556c470a241384e83d005e2cbead8266b4934f50049ea8149baf