[INFO] crate liburing-sys 0.1.2 is already in cache
[INFO] checking liburing-sys-0.1.2 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate liburing-sys 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate liburing-sys 0.1.2 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate liburing-sys 0.1.2
[INFO] finished tweaking crates.io crate liburing-sys 0.1.2
[INFO] tweaked toml for crates.io crate liburing-sys 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] ed1bd04bfff31606466bcbe88748c0e71979e1a206008e9ba884c01d9dc2933f
[INFO] running `"docker" "start" "-a" "ed1bd04bfff31606466bcbe88748c0e71979e1a206008e9ba884c01d9dc2933f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling liburing-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> examples/io_uring_test.rs:13:39
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut ring: io_uring = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> examples/io_uring_test.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut buf = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.24s
[INFO] running `"docker" "inspect" "ed1bd04bfff31606466bcbe88748c0e71979e1a206008e9ba884c01d9dc2933f"`
[INFO] running `"docker" "rm" "-f" "ed1bd04bfff31606466bcbe88748c0e71979e1a206008e9ba884c01d9dc2933f"`
[INFO] [stdout] ed1bd04bfff31606466bcbe88748c0e71979e1a206008e9ba884c01d9dc2933f