[INFO] fetching crate himpi-sys 0.1.8...
[INFO] checking himpi-sys-0.1.8 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate himpi-sys 0.1.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate himpi-sys 0.1.8 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate himpi-sys 0.1.8
[INFO] finished tweaking crates.io crate himpi-sys 0.1.8
[INFO] tweaked toml for crates.io crate himpi-sys 0.1.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 12af30a07e2a2cd45f715df682741f4be6e1dda8bd3a61b1cf9caf48e231bc0e
[INFO] running `"docker" "start" "-a" "12af30a07e2a2cd45f715df682741f4be6e1dda8bd3a61b1cf9caf48e231bc0e"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking rust-bitfield v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling himpi-sys v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `union_fields_prefix` found for struct `bindgen::Builder` in the current scope
[INFO] [stderr]    --> build.rs:321:10
[INFO] [stderr]     |
[INFO] [stderr] 321 |         .union_fields_prefix("un")
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^ method not found in `bindgen::Builder`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `himpi-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "12af30a07e2a2cd45f715df682741f4be6e1dda8bd3a61b1cf9caf48e231bc0e"`
[INFO] running `"docker" "rm" "-f" "12af30a07e2a2cd45f715df682741f4be6e1dda8bd3a61b1cf9caf48e231bc0e"`
[INFO] [stdout] 12af30a07e2a2cd45f715df682741f4be6e1dda8bd3a61b1cf9caf48e231bc0e