Dec 19 17:53:47.761 INFO checking dmhacker/dual-ec-drbg against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:53:47.761 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/dmhacker/dual-ec-drbg:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:53:48.082 INFO [stdout] 7fb14aa55c0bf751084c71201c60e66afd79d4b167b5031d4284596dd7b80af4
Dec 19 17:53:48.090 INFO running `"docker" "start" "-a" "7fb14aa55c0bf751084c71201c60e66afd79d4b167b5031d4284596dd7b80af4"`
Dec 19 17:53:49.487 INFO [stderr]    Compiling rug v1.2.0
Dec 19 17:53:49.488 INFO [stderr]     Checking gmp-mpfr-sys v1.1.8
Dec 19 17:54:05.936 INFO [stderr]     Checking dualecdrbg v0.1.0 (/opt/crater/workdir)
Dec 19 17:54:06.760 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.39s
Dec 19 17:54:07.082 INFO running `"docker" "inspect" "7fb14aa55c0bf751084c71201c60e66afd79d4b167b5031d4284596dd7b80af4"`
Dec 19 17:54:07.194 INFO running `"docker" "rm" "-f" "7fb14aa55c0bf751084c71201c60e66afd79d4b167b5031d4284596dd7b80af4"`
Dec 19 17:54:07.296 INFO [stdout] 7fb14aa55c0bf751084c71201c60e66afd79d4b167b5031d4284596dd7b80af4