[INFO] fetching crate linux-io-uring-sys 0.0.4...
[INFO] checking linux-io-uring-sys-0.0.4 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate linux-io-uring-sys 0.0.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate linux-io-uring-sys 0.0.4 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linux-io-uring-sys 0.0.4
[INFO] finished tweaking crates.io crate linux-io-uring-sys 0.0.4
[INFO] tweaked toml for crates.io crate linux-io-uring-sys 0.0.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1994fdc1da522c629267c415cf6fdfd5e5fc81451bbca9600984c50857adbe3f
[INFO] running `Command { std: "docker" "start" "-a" "1994fdc1da522c629267c415cf6fdfd5e5fc81451bbca9600984c50857adbe3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1994fdc1da522c629267c415cf6fdfd5e5fc81451bbca9600984c50857adbe3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1994fdc1da522c629267c415cf6fdfd5e5fc81451bbca9600984c50857adbe3f", kill_on_drop: false }`
[INFO] [stdout] 1994fdc1da522c629267c415cf6fdfd5e5fc81451bbca9600984c50857adbe3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 180108004b1f4dd6878d7fb9b316dc8d018e7df6052abb15a35a953b5409e2f0
[INFO] running `Command { std: "docker" "start" "-a" "180108004b1f4dd6878d7fb9b316dc8d018e7df6052abb15a35a953b5409e2f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linux-io-uring-sys v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bindgen_test_layout___kernel_timespec` should have a snake case name
[INFO] [stdout]   --> src/sys.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn bindgen_test_layout___kernel_timespec() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bindgen_test_layout_kernel_timespec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/sys.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |         unsafe { &(*(::core::ptr::null::<__kernel_timespec>())).tv_sec as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/sys.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         unsafe { &(*(::core::ptr::null::<__kernel_timespec>())).tv_nsec as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bindgen_test_layout_io_uring_sqe__bindgen_ty_1` should have a snake case name
[INFO] [stdout]    --> src/sys.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn bindgen_test_layout_io_uring_sqe__bindgen_ty_1() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bindgen_test_layout_io_uring_sqe_bindgen_ty_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:112:19
[INFO] [stdout]     |
[INFO] [stdout] 112 |         unsafe { &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_1>())).off as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:123:14
[INFO] [stdout]     |
[INFO] [stdout] 123 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_1>())).addr2 as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bindgen_test_layout_io_uring_sqe__bindgen_ty_2` should have a snake case name
[INFO] [stdout]    --> src/sys.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn bindgen_test_layout_io_uring_sqe__bindgen_ty_2() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bindgen_test_layout_io_uring_sqe_bindgen_ty_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:166:14
[INFO] [stdout]     |
[INFO] [stdout] 166 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_2>())).rw_flags as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:178:14
[INFO] [stdout]     |
[INFO] [stdout] 178 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_2>())).fsync_flags as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_2>())).poll_events as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:202:14
[INFO] [stdout]     |
[INFO] [stdout] 202 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_2>())).sync_range_flags as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:215:14
[INFO] [stdout]     |
[INFO] [stdout] 215 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_2>())).msg_flags as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:227:14
[INFO] [stdout]     |
[INFO] [stdout] 227 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_2>())).timeout_flags as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:240:14
[INFO] [stdout]     |
[INFO] [stdout] 240 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_2>())).accept_flags as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:253:14
[INFO] [stdout]     |
[INFO] [stdout] 253 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_2>())).cancel_flags as *const _
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bindgen_test_layout_io_uring_sqe__bindgen_ty_3` should have a snake case name
[INFO] [stdout]    --> src/sys.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 | fn bindgen_test_layout_io_uring_sqe__bindgen_ty_3() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bindgen_test_layout_io_uring_sqe_bindgen_ty_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:291:14
[INFO] [stdout]     |
[INFO] [stdout] 291 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_3>())).buf_index as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:303:14
[INFO] [stdout]     |
[INFO] [stdout] 303 |             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_3>())).__pad2 as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:332:19
[INFO] [stdout]     |
[INFO] [stdout] 332 |         unsafe { &(*(::core::ptr::null::<io_uring_sqe>())).opcode as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         unsafe { &(*(::core::ptr::null::<io_uring_sqe>())).flags as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:352:19
[INFO] [stdout]     |
[INFO] [stdout] 352 |         unsafe { &(*(::core::ptr::null::<io_uring_sqe>())).ioprio as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:362:19
[INFO] [stdout]     |
[INFO] [stdout] 362 |         unsafe { &(*(::core::ptr::null::<io_uring_sqe>())).fd as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:372:19
[INFO] [stdout]     |
[INFO] [stdout] 372 |         unsafe { &(*(::core::ptr::null::<io_uring_sqe>())).addr as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:382:19
[INFO] [stdout]     |
[INFO] [stdout] 382 |         unsafe { &(*(::core::ptr::null::<io_uring_sqe>())).len as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:392:19
[INFO] [stdout]     |
[INFO] [stdout] 392 |         unsafe { &(*(::core::ptr::null::<io_uring_sqe>())).user_data as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:446:19
[INFO] [stdout]     |
[INFO] [stdout] 446 |         unsafe { &(*(::core::ptr::null::<io_uring_cqe>())).user_data as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:456:19
[INFO] [stdout]     |
[INFO] [stdout] 456 |         unsafe { &(*(::core::ptr::null::<io_uring_cqe>())).res as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:466:19
[INFO] [stdout]     |
[INFO] [stdout] 466 |         unsafe { &(*(::core::ptr::null::<io_uring_cqe>())).flags as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:502:19
[INFO] [stdout]     |
[INFO] [stdout] 502 |         unsafe { &(*(::core::ptr::null::<io_sqring_offsets>())).head as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:512:19
[INFO] [stdout]     |
[INFO] [stdout] 512 |         unsafe { &(*(::core::ptr::null::<io_sqring_offsets>())).tail as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:522:19
[INFO] [stdout]     |
[INFO] [stdout] 522 |         unsafe { &(*(::core::ptr::null::<io_sqring_offsets>())).ring_mask as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:532:19
[INFO] [stdout]     |
[INFO] [stdout] 532 |         unsafe { &(*(::core::ptr::null::<io_sqring_offsets>())).ring_entries as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:542:19
[INFO] [stdout]     |
[INFO] [stdout] 542 |         unsafe { &(*(::core::ptr::null::<io_sqring_offsets>())).flags as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:552:19
[INFO] [stdout]     |
[INFO] [stdout] 552 |         unsafe { &(*(::core::ptr::null::<io_sqring_offsets>())).dropped as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:562:19
[INFO] [stdout]     |
[INFO] [stdout] 562 |         unsafe { &(*(::core::ptr::null::<io_sqring_offsets>())).array as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:572:19
[INFO] [stdout]     |
[INFO] [stdout] 572 |         unsafe { &(*(::core::ptr::null::<io_sqring_offsets>())).resv1 as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:582:19
[INFO] [stdout]     |
[INFO] [stdout] 582 |         unsafe { &(*(::core::ptr::null::<io_sqring_offsets>())).resv2 as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:616:19
[INFO] [stdout]     |
[INFO] [stdout] 616 |         unsafe { &(*(::core::ptr::null::<io_cqring_offsets>())).head as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:626:19
[INFO] [stdout]     |
[INFO] [stdout] 626 |         unsafe { &(*(::core::ptr::null::<io_cqring_offsets>())).tail as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:636:19
[INFO] [stdout]     |
[INFO] [stdout] 636 |         unsafe { &(*(::core::ptr::null::<io_cqring_offsets>())).ring_mask as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:646:19
[INFO] [stdout]     |
[INFO] [stdout] 646 |         unsafe { &(*(::core::ptr::null::<io_cqring_offsets>())).ring_entries as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:656:19
[INFO] [stdout]     |
[INFO] [stdout] 656 |         unsafe { &(*(::core::ptr::null::<io_cqring_offsets>())).overflow as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:666:19
[INFO] [stdout]     |
[INFO] [stdout] 666 |         unsafe { &(*(::core::ptr::null::<io_cqring_offsets>())).cqes as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:676:19
[INFO] [stdout]     |
[INFO] [stdout] 676 |         unsafe { &(*(::core::ptr::null::<io_cqring_offsets>())).resv as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:712:19
[INFO] [stdout]     |
[INFO] [stdout] 712 |         unsafe { &(*(::core::ptr::null::<io_uring_params>())).sq_entries as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:722:19
[INFO] [stdout]     |
[INFO] [stdout] 722 |         unsafe { &(*(::core::ptr::null::<io_uring_params>())).cq_entries as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:732:19
[INFO] [stdout]     |
[INFO] [stdout] 732 |         unsafe { &(*(::core::ptr::null::<io_uring_params>())).flags as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:742:19
[INFO] [stdout]     |
[INFO] [stdout] 742 |         unsafe { &(*(::core::ptr::null::<io_uring_params>())).sq_thread_cpu as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:752:19
[INFO] [stdout]     |
[INFO] [stdout] 752 |         unsafe { &(*(::core::ptr::null::<io_uring_params>())).sq_thread_idle as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:762:19
[INFO] [stdout]     |
[INFO] [stdout] 762 |         unsafe { &(*(::core::ptr::null::<io_uring_params>())).features as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:772:19
[INFO] [stdout]     |
[INFO] [stdout] 772 |         unsafe { &(*(::core::ptr::null::<io_uring_params>())).resv as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:782:19
[INFO] [stdout]     |
[INFO] [stdout] 782 |         unsafe { &(*(::core::ptr::null::<io_uring_params>())).sq_off as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:792:19
[INFO] [stdout]     |
[INFO] [stdout] 792 |         unsafe { &(*(::core::ptr::null::<io_uring_params>())).cq_off as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:821:19
[INFO] [stdout]     |
[INFO] [stdout] 821 |         unsafe { &(*(::core::ptr::null::<io_uring_files_update>())).offset as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/sys.rs:831:19
[INFO] [stdout]     |
[INFO] [stdout] 831 |         unsafe { &(*(::core::ptr::null::<io_uring_files_update>())).fds as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "180108004b1f4dd6878d7fb9b316dc8d018e7df6052abb15a35a953b5409e2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180108004b1f4dd6878d7fb9b316dc8d018e7df6052abb15a35a953b5409e2f0", kill_on_drop: false }`
[INFO] [stdout] 180108004b1f4dd6878d7fb9b316dc8d018e7df6052abb15a35a953b5409e2f0