Dec 17 14:48:57.313 INFO checking staktrace/jsontest against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:48:57.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/staktrace/jsontest:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:48:57.892 INFO [stdout] b2877a49b4d1fc651bc4100190b3ed0e6c6e08742c76530691b9f55292b7b046
Dec 17 14:48:57.896 INFO running `"docker" "start" "-a" "b2877a49b4d1fc651bc4100190b3ed0e6c6e08742c76530691b9f55292b7b046"`
Dec 17 14:48:59.294 INFO [stderr]     Checking json v0.11.13
Dec 17 14:49:00.330 INFO [stderr]     Checking jsontest v0.1.0 (/opt/crater/workdir)
Dec 17 14:49:00.712 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Dec 17 14:49:02.062 INFO running `"docker" "inspect" "b2877a49b4d1fc651bc4100190b3ed0e6c6e08742c76530691b9f55292b7b046"`
Dec 17 14:49:02.342 INFO running `"docker" "rm" "-f" "b2877a49b4d1fc651bc4100190b3ed0e6c6e08742c76530691b9f55292b7b046"`
Dec 17 14:49:02.594 INFO [stdout] b2877a49b4d1fc651bc4100190b3ed0e6c6e08742c76530691b9f55292b7b046