Dec 18 11:24:26.278 INFO checking serde-json-core-0.0.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:24:26.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/serde-json-core/0.0.1:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:24:26.464 INFO [stdout] c8f7944568df9b6d3649bbb068169868af0bd3f5ab975b722901eb817a8e8566
Dec 18 11:24:26.470 INFO running `"docker" "start" "-a" "c8f7944568df9b6d3649bbb068169868af0bd3f5ab975b722901eb817a8e8566"`
Dec 18 11:24:27.248 INFO [stderr]     Checking heapless v0.2.7
Dec 18 11:24:27.740 INFO [stderr]     Checking serde-json-core v0.0.1 (/opt/crater/workdir)
Dec 18 11:24:29.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
Dec 18 11:24:29.361 INFO running `"docker" "inspect" "c8f7944568df9b6d3649bbb068169868af0bd3f5ab975b722901eb817a8e8566"`
Dec 18 11:24:29.457 INFO running `"docker" "rm" "-f" "c8f7944568df9b6d3649bbb068169868af0bd3f5ab975b722901eb817a8e8566"`
Dec 18 11:24:29.586 INFO [stdout] c8f7944568df9b6d3649bbb068169868af0bd3f5ab975b722901eb817a8e8566