[INFO] crate io-uring 0.3.5 is already in cache
[INFO] checking io-uring-0.3.5 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate io-uring 0.3.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate io-uring 0.3.5 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate io-uring 0.3.5
[INFO] finished tweaking crates.io crate io-uring 0.3.5
[INFO] tweaked toml for crates.io crate io-uring 0.3.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate io-uring 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1a399c10897767c36d147199696c96f193034e49" "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] f5b0db893fd2bb0534fb50d571da5dea1cc81f422d9fef0691f0b9208941d656
[INFO] running `"docker" "start" "-a" "f5b0db893fd2bb0534fb50d571da5dea1cc81f422d9fef0691f0b9208941d656"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling io-uring v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling uring-sys v1.0.0-beta
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking iou v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] error: reference to packed field is unaligned
[INFO] [stderr]    --> src/sys/sys.rs:503:13
[INFO] [stderr]     |
[INFO] [stderr] 503 | /             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_4__bindgen_ty_1__bindgen_ty_1>()))
[INFO] [stderr] 504 | |                 .buf_index as *const _ as usize
[INFO] [stderr]     | |__________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(unaligned_references)]` on by default
[INFO] [stderr]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stderr] 
[INFO] [stderr] error: reference to packed field is unaligned
[INFO] [stderr]    --> src/sys/sys.rs:516:13
[INFO] [stderr]     |
[INFO] [stderr] 516 | /             &(*(::core::ptr::null::<io_uring_sqe__bindgen_ty_4__bindgen_ty_1__bindgen_ty_1>()))
[INFO] [stderr] 517 | |                 .buf_group as *const _ as usize
[INFO] [stderr]     | |__________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `io-uring`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f5b0db893fd2bb0534fb50d571da5dea1cc81f422d9fef0691f0b9208941d656"`
[INFO] running `"docker" "rm" "-f" "f5b0db893fd2bb0534fb50d571da5dea1cc81f422d9fef0691f0b9208941d656"`
[INFO] [stdout] f5b0db893fd2bb0534fb50d571da5dea1cc81f422d9fef0691f0b9208941d656