Dec 19 19:05:43.303 INFO checking chippers/rndc against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:05:43.303 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/chippers/rndc:/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 19:05:43.809 INFO [stdout] 5c13c26ca3ea8e98ab460668beaaca61f1b83da9d4018db29ac1af4e44bdd7eb
Dec 19 19:05:43.811 INFO running `"docker" "start" "-a" "5c13c26ca3ea8e98ab460668beaaca61f1b83da9d4018db29ac1af4e44bdd7eb"`
Dec 19 19:05:46.032 INFO [stderr]     Checking chrono v0.4.1
Dec 19 19:05:46.040 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 19 19:05:49.078 INFO [stderr]     Checking rndc v0.1.0 (/opt/crater/workdir)
Dec 19 19:05:49.789 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
Dec 19 19:05:50.684 INFO running `"docker" "inspect" "5c13c26ca3ea8e98ab460668beaaca61f1b83da9d4018db29ac1af4e44bdd7eb"`
Dec 19 19:05:51.064 INFO running `"docker" "rm" "-f" "5c13c26ca3ea8e98ab460668beaaca61f1b83da9d4018db29ac1af4e44bdd7eb"`
Dec 19 19:05:51.380 INFO [stdout] 5c13c26ca3ea8e98ab460668beaaca61f1b83da9d4018db29ac1af4e44bdd7eb