Dec 19 12:15:37.547 INFO checking mtreinish/junitxml2subunit against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:15:37.547 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/mtreinish/junitxml2subunit:/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 12:15:37.996 INFO [stdout] 90aa58bff71cadcbabf5b66ecbc1dd0dcd01447f49503be82af89f92217c2cee
Dec 19 12:15:38.008 INFO running `"docker" "start" "-a" "90aa58bff71cadcbabf5b66ecbc1dd0dcd01447f49503be82af89f92217c2cee"`
Dec 19 12:15:40.464 INFO [stderr]     Checking chrono v0.4.2
Dec 19 12:15:40.465 INFO [stderr]     Checking quick-xml v0.12.1
Dec 19 12:15:43.024 INFO [stderr]     Checking subunit-rust v0.1.2
Dec 19 12:15:43.500 INFO [stderr]     Checking junitxml2subunit v1.0.0 (/opt/crater/workdir)
Dec 19 12:15:44.470 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
Dec 19 12:15:45.767 INFO running `"docker" "inspect" "90aa58bff71cadcbabf5b66ecbc1dd0dcd01447f49503be82af89f92217c2cee"`
Dec 19 12:15:46.080 INFO running `"docker" "rm" "-f" "90aa58bff71cadcbabf5b66ecbc1dd0dcd01447f49503be82af89f92217c2cee"`
Dec 19 12:15:46.504 INFO [stdout] 90aa58bff71cadcbabf5b66ecbc1dd0dcd01447f49503be82af89f92217c2cee