[INFO] fetching crate uring-sys 0.6.1...
[INFO] checking uring-sys-0.6.1 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate uring-sys 0.6.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uring-sys 0.6.1 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uring-sys 0.6.1
[INFO] finished tweaking crates.io crate uring-sys 0.6.1
[INFO] tweaked toml for crates.io crate uring-sys 0.6.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 293c3bb4057a86c60bd385d823af723b828c115ae9c189d452335da061ff1202
[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" "293c3bb4057a86c60bd385d823af723b828c115ae9c189d452335da061ff1202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "293c3bb4057a86c60bd385d823af723b828c115ae9c189d452335da061ff1202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293c3bb4057a86c60bd385d823af723b828c115ae9c189d452335da061ff1202", kill_on_drop: false }`
[INFO] [stdout] 293c3bb4057a86c60bd385d823af723b828c115ae9c189d452335da061ff1202
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f06a56d7b375c42c3759b049cb6cce75faba7da0581ecf7476071a55243d397
[INFO] running `Command { std: "docker" "start" "-a" "3f06a56d7b375c42c3759b049cb6cce75faba7da0581ecf7476071a55243d397", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling uring-sys v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:266:1
[INFO] [stdout]     |
[INFO] [stdout] 266 | / extern {
[INFO] [stdout] 267 | |     pub fn io_uring_queue_init(
[INFO] [stdout] 268 | |         entries: libc::c_uint,
[INFO] [stdout] 269 | |         ring: *mut io_uring,
[INFO] [stdout] ...   |
[INFO] [stdout] 354 | |     pub fn io_uring_unregister_personality(ring: *mut io_uring, id: libc::c_int);
[INFO] [stdout] 355 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:358:1
[INFO] [stdout]     |
[INFO] [stdout] 358 | / extern {
[INFO] [stdout] 359 | |     #[link_name = "rust_io_uring_opcode_supported"]
[INFO] [stdout] 360 | |     pub fn io_uring_opcode_supported(p: *mut io_uring_probe, op: libc::c_int) -> libc::c_int;
[INFO] [stdout] 361 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 660 | |     pub fn io_uring_wait_cqe(ring: *mut io_uring, cqe_ptr: *mut *mut io_uring_cqe) -> libc::c_int;
[INFO] [stdout] 661 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:266:1
[INFO] [stdout]     |
[INFO] [stdout] 266 | / extern {
[INFO] [stdout] 267 | |     pub fn io_uring_queue_init(
[INFO] [stdout] 268 | |         entries: libc::c_uint,
[INFO] [stdout] 269 | |         ring: *mut io_uring,
[INFO] [stdout] ...   |
[INFO] [stdout] 354 | |     pub fn io_uring_unregister_personality(ring: *mut io_uring, id: libc::c_int);
[INFO] [stdout] 355 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:358:1
[INFO] [stdout]     |
[INFO] [stdout] 358 | / extern {
[INFO] [stdout] 359 | |     #[link_name = "rust_io_uring_opcode_supported"]
[INFO] [stdout] 360 | |     pub fn io_uring_opcode_supported(p: *mut io_uring_probe, op: libc::c_int) -> libc::c_int;
[INFO] [stdout] 361 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 660 | |     pub fn io_uring_wait_cqe(ring: *mut io_uring, cqe_ptr: *mut *mut io_uring_cqe) -> libc::c_int;
[INFO] [stdout] 661 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uring-sys`.
[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 `Command { std: "docker" "inspect" "3f06a56d7b375c42c3759b049cb6cce75faba7da0581ecf7476071a55243d397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f06a56d7b375c42c3759b049cb6cce75faba7da0581ecf7476071a55243d397", kill_on_drop: false }`
[INFO] [stdout] 3f06a56d7b375c42c3759b049cb6cce75faba7da0581ecf7476071a55243d397