[INFO] fetching crate objrs_demo 0.0.2...
[INFO] extracting crate objrs_demo 0.0.2 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/objrs_demo/0.0.2
[INFO] extracting crate objrs_demo 0.0.2 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/objrs_demo/0.0.2
[INFO] validating manifest of objrs_demo-0.0.2 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of objrs_demo-0.0.2 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing objrs_demo-0.0.2
[INFO] finished frobbing objrs_demo-0.0.2
[INFO] frobbed toml for objrs_demo-0.0.2 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/objrs_demo/0.0.2/Cargo.toml
[INFO] started frobbing objrs_demo-0.0.2
[INFO] finished frobbing objrs_demo-0.0.2
[INFO] frobbed toml for objrs_demo-0.0.2 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/objrs_demo/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objrs_frameworks_metal_kit v0.0.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking objrs_demo-0.0.2 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/objrs_demo/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9515e45515e32d19a892d6900418ccf9cd90f9a55c916afa7eb11f2935e2f6ad
[INFO] running `"docker" "start" "-a" "9515e45515e32d19a892d6900418ccf9cd90f9a55c916afa7eb11f2935e2f6ad"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]     Checking objrs_runtime v0.0.2
[INFO] [stderr]    Compiling objrs_macros v0.0.2
[INFO] [stderr]    Compiling objrs_frameworks_foundation_macros v0.0.2
[INFO] [stderr]     Checking objrs v0.0.2
[INFO] [stderr] error: /opt/crater/target/debug/deps/libobjrs_macros-398010a1d56b814d.so: undefined symbol: arc4random_buf
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/objrs-0.0.2/src/lib.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | extern crate objrs_macros;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `objrs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9515e45515e32d19a892d6900418ccf9cd90f9a55c916afa7eb11f2935e2f6ad"`
[INFO] running `"docker" "rm" "-f" "9515e45515e32d19a892d6900418ccf9cd90f9a55c916afa7eb11f2935e2f6ad"`
[INFO] [stdout] 9515e45515e32d19a892d6900418ccf9cd90f9a55c916afa7eb11f2935e2f6ad