Dec 19 10:40:02.469 INFO checking punchagan/weblogviz against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:40:02.469 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/punchagan/weblogviz:/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 10:40:02.830 INFO [stdout] 8df700b4e94ad5228ef31b4e0ad6c5e7c643d31be2dfa691206a9822f01ceada
Dec 19 10:40:02.836 INFO running `"docker" "start" "-a" "8df700b4e94ad5228ef31b4e0ad6c5e7c643d31be2dfa691206a9822f01ceada"`
Dec 19 10:40:03.781 INFO [stderr]     Checking clap v2.32.0
Dec 19 10:40:03.782 INFO [stderr]     Checking flate2 v1.0.4
Dec 19 10:40:03.782 INFO [stderr]     Checking regex v1.0.5
Dec 19 10:40:09.268 INFO [stderr]     Checking weblogviz v0.2.0 (/opt/crater/workdir)
Dec 19 10:40:10.975 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.27s
Dec 19 10:40:11.894 INFO running `"docker" "inspect" "8df700b4e94ad5228ef31b4e0ad6c5e7c643d31be2dfa691206a9822f01ceada"`
Dec 19 10:40:12.246 INFO running `"docker" "rm" "-f" "8df700b4e94ad5228ef31b4e0ad6c5e7c643d31be2dfa691206a9822f01ceada"`
Dec 19 10:40:12.524 INFO [stdout] 8df700b4e94ad5228ef31b4e0ad6c5e7c643d31be2dfa691206a9822f01ceada