Dec 18 04:00:42.425 INFO checking andrewnester/rust-jsonm against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:00:42.425 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/andrewnester/rust-jsonm:/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 04:00:42.860 INFO [stdout] 0d99e2ee7d7b60dd13dd61db927056202815d87e7b8688a056e4a19a7093d4d5
Dec 18 04:00:42.872 INFO running `"docker" "start" "-a" "0d99e2ee7d7b60dd13dd61db927056202815d87e7b8688a056e4a19a7093d4d5"`
Dec 18 04:00:44.692 INFO [stderr]     Checking serde_json v1.0.24
Dec 18 04:00:44.692 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 18 04:00:45.813 INFO [stderr]     Checking regex v1.0.5
Dec 18 04:00:48.428 INFO [stderr]     Checking jsonm v0.1.3 (/opt/crater/workdir)
Dec 18 04:00:50.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.81s
Dec 18 04:00:51.008 INFO running `"docker" "inspect" "0d99e2ee7d7b60dd13dd61db927056202815d87e7b8688a056e4a19a7093d4d5"`
Dec 18 04:00:51.283 INFO running `"docker" "rm" "-f" "0d99e2ee7d7b60dd13dd61db927056202815d87e7b8688a056e4a19a7093d4d5"`
Dec 18 04:00:51.592 INFO [stdout] 0d99e2ee7d7b60dd13dd61db927056202815d87e7b8688a056e4a19a7093d4d5