Dec 05 06:55:56.250 INFO checking serde-json-core-0.0.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:55:56.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 06:55:56.812 INFO [stdout] 0ed2dd53b7af867b4beac9800b55c0d01637f6e0ce3255d2a2f34d58931b12c5
Dec 05 06:55:56.814 INFO running `"docker" "start" "-a" "0ed2dd53b7af867b4beac9800b55c0d01637f6e0ce3255d2a2f34d58931b12c5"`
Dec 05 06:55:57.603 INFO [stderr] usermod: no changes
Dec 05 06:55:57.660 INFO [stderr]    Compiling serde v1.0.80
Dec 05 06:55:57.661 INFO [stderr]     Checking heapless v0.2.7
Dec 05 06:56:05.337 INFO [stderr]     Checking serde-json-core v0.0.1 (/source)
Dec 05 06:56:06.897 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
Dec 05 06:56:06.903 INFO [stderr] su: No module specific data is present
Dec 05 06:56:07.679 INFO running `"docker" "inspect" "0ed2dd53b7af867b4beac9800b55c0d01637f6e0ce3255d2a2f34d58931b12c5"`
Dec 05 06:56:08.013 INFO running `"docker" "rm" "-f" "0ed2dd53b7af867b4beac9800b55c0d01637f6e0ce3255d2a2f34d58931b12c5"`
Dec 05 06:56:08.231 INFO [stdout] 0ed2dd53b7af867b4beac9800b55c0d01637f6e0ce3255d2a2f34d58931b12c5