[INFO] fetching crate liburing-sys 0.1.2...
[INFO] testing liburing-sys-0.1.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate liburing-sys 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate liburing-sys 0.1.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da0a7a2f8084ce01ff71c8cb617367597319e82f41b81c092e5e537ef68a0329
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da0a7a2f8084ce01ff71c8cb617367597319e82f41b81c092e5e537ef68a0329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da0a7a2f8084ce01ff71c8cb617367597319e82f41b81c092e5e537ef68a0329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da0a7a2f8084ce01ff71c8cb617367597319e82f41b81c092e5e537ef68a0329", kill_on_drop: false }`
[INFO] [stdout] da0a7a2f8084ce01ff71c8cb617367597319e82f41b81c092e5e537ef68a0329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 837574d1e68a82ffee08856f712a7778c8b6b5de28179b856e340847e435facd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "837574d1e68a82ffee08856f712a7778c8b6b5de28179b856e340847e435facd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling liburing-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.85s
[INFO] running `Command { std: "docker" "inspect" "837574d1e68a82ffee08856f712a7778c8b6b5de28179b856e340847e435facd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837574d1e68a82ffee08856f712a7778c8b6b5de28179b856e340847e435facd", kill_on_drop: false }`
[INFO] [stdout] 837574d1e68a82ffee08856f712a7778c8b6b5de28179b856e340847e435facd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 337a8a89b6a78b6a2086e7e0c1934685bddf5122a66c414282d77d0c6497c69e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "337a8a89b6a78b6a2086e7e0c1934685bddf5122a66c414282d77d0c6497c69e", kill_on_drop: false }`
[INFO] [stderr]    Compiling liburing-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> examples/io_uring_test.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut ring: io_uring = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> examples/io_uring_test.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut buf = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "337a8a89b6a78b6a2086e7e0c1934685bddf5122a66c414282d77d0c6497c69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337a8a89b6a78b6a2086e7e0c1934685bddf5122a66c414282d77d0c6497c69e", kill_on_drop: false }`
[INFO] [stdout] 337a8a89b6a78b6a2086e7e0c1934685bddf5122a66c414282d77d0c6497c69e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 622ff55d416b9908bd30e7551a1ca74a3b00ea81d145726eeda8db5e249e6fe2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "622ff55d416b9908bd30e7551a1ca74a3b00ea81d145726eeda8db5e249e6fe2", kill_on_drop: false }`
[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 test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/liburing_sys-5b995944dd94a9f4
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test bindgen_test_layout_io_sqring_offsets ... ok
[INFO] [stdout] test bindgen_test_layout_io_uring_cq ... ok
[INFO] [stdout] test bindgen_test_layout_io_uring_sqe__bindgen_ty_1 ... ok
[INFO] [stdout] test bindgen_test_layout_io_uring ... ok
[INFO] [stdout] test bindgen_test_layout___sigset_t ... ok
[INFO] [stdout] test bindgen_test_layout_io_uring_sqe ... ok
[INFO] [stdout] test bindgen_test_layout_io_uring_sqe__bindgen_ty_2 ... ok
[INFO] [stdout] test bindgen_test_layout_io_uring_params ... ok
[INFO] [stdout] test bindgen_test_layout_iovec ... ok
[INFO] [stdout] test bindgen_test_layout_io_cqring_offsets ... ok
[INFO] [stdout] test bindgen_test_layout_io_uring_cqe ... ok
[INFO] [stdout] test bindgen_test_layout_io_uring_sq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests liburing-sys
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "622ff55d416b9908bd30e7551a1ca74a3b00ea81d145726eeda8db5e249e6fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622ff55d416b9908bd30e7551a1ca74a3b00ea81d145726eeda8db5e249e6fe2", kill_on_drop: false }`
[INFO] [stdout] 622ff55d416b9908bd30e7551a1ca74a3b00ea81d145726eeda8db5e249e6fe2