Dec 19 20:24:47.129 INFO checking apolitical/csv2json against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:24:47.129 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/apolitical/csv2json:/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 20:24:47.649 INFO [stdout] cf2d964abd804b58f68883e44b55d269a84e5becc6e922c88016244d3f97a822
Dec 19 20:24:47.652 INFO running `"docker" "start" "-a" "cf2d964abd804b58f68883e44b55d269a84e5becc6e922c88016244d3f97a822"`
Dec 19 20:24:49.504 INFO [stderr]     Checking memchr v2.0.1
Dec 19 20:24:49.508 INFO [stderr]     Checking clap v2.32.0
Dec 19 20:24:50.310 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 20:24:51.269 INFO [stderr]     Checking csv v1.0.5
Dec 19 20:24:55.621 INFO [stderr]     Checking csv2json v0.1.1 (/opt/crater/workdir)
Dec 19 20:24:56.163 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
Dec 19 20:24:56.526 INFO running `"docker" "inspect" "cf2d964abd804b58f68883e44b55d269a84e5becc6e922c88016244d3f97a822"`
Dec 19 20:24:56.635 INFO running `"docker" "rm" "-f" "cf2d964abd804b58f68883e44b55d269a84e5becc6e922c88016244d3f97a822"`
Dec 19 20:24:56.734 INFO [stdout] cf2d964abd804b58f68883e44b55d269a84e5becc6e922c88016244d3f97a822