Dec 19 10:07:51.950 INFO checking rkuslak/buildr against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:07:51.950 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rkuslak/buildr:/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 10:07:52.300 INFO [stdout] 7da760f1d284d2119df9f026940860309fb156bf1b3b8335d2cbc1b4cce35ff6
Dec 19 10:07:52.308 INFO running `"docker" "start" "-a" "7da760f1d284d2119df9f026940860309fb156bf1b3b8335d2cbc1b4cce35ff6"`
Dec 19 10:07:53.350 INFO [stderr]     Checking build_engine v0.1.0 (/opt/crater/workdir/build_engine)
Dec 19 10:07:53.744 INFO [stderr]     Checking buildr v0.0.1 (/opt/crater/workdir)
Dec 19 10:07:54.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 19 10:07:54.690 INFO running `"docker" "inspect" "7da760f1d284d2119df9f026940860309fb156bf1b3b8335d2cbc1b4cce35ff6"`
Dec 19 10:07:54.952 INFO running `"docker" "rm" "-f" "7da760f1d284d2119df9f026940860309fb156bf1b3b8335d2cbc1b4cce35ff6"`
Dec 19 10:07:55.046 INFO [stdout] 7da760f1d284d2119df9f026940860309fb156bf1b3b8335d2cbc1b4cce35ff6