[INFO] crate linux-io-uring-sys 0.0.4 is already in cache
[INFO] checking linux-io-uring-sys-0.0.4 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate linux-io-uring-sys 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate linux-io-uring-sys 0.0.4 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f04bae7d6860e8c1e9822f2851b9539cc197d4756c9517ec0b5f85105ae18aba
[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" "f04bae7d6860e8c1e9822f2851b9539cc197d4756c9517ec0b5f85105ae18aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04bae7d6860e8c1e9822f2851b9539cc197d4756c9517ec0b5f85105ae18aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04bae7d6860e8c1e9822f2851b9539cc197d4756c9517ec0b5f85105ae18aba", kill_on_drop: false }`
[INFO] [stdout] f04bae7d6860e8c1e9822f2851b9539cc197d4756c9517ec0b5f85105ae18aba
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8037c375cd085c8e6b4a3babdaef5920cdb06285fc0fcafb1ebc8ba6062e07ce
[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" "8037c375cd085c8e6b4a3babdaef5920cdb06285fc0fcafb1ebc8ba6062e07ce", kill_on_drop: false }`
[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: 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: 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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "8037c375cd085c8e6b4a3babdaef5920cdb06285fc0fcafb1ebc8ba6062e07ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8037c375cd085c8e6b4a3babdaef5920cdb06285fc0fcafb1ebc8ba6062e07ce", kill_on_drop: false }`
[INFO] [stdout] 8037c375cd085c8e6b4a3babdaef5920cdb06285fc0fcafb1ebc8ba6062e07ce