Oct 12 13:08:50.213 INFO checking staktrace/jsontest against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 13:08:50.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 13:08:50.734 INFO blam! 30eae202e85d0e9e9b0bba3213d2acef860e1f6308182481fe5f301897848feb
Oct 12 13:08:50.736 INFO running `"docker" "start" "-a" "30eae202e85d0e9e9b0bba3213d2acef860e1f6308182481fe5f301897848feb"`
Oct 12 13:08:52.664 INFO kablam! usermod: no changes
Oct 12 13:08:52.772 INFO kablam!     Checking json v0.11.13
Oct 12 13:08:53.929 INFO kablam!     Checking jsontest v0.1.0 (/source)
Oct 12 13:08:54.424 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
Oct 12 13:08:54.428 INFO kablam! su: No module specific data is present
Oct 12 13:08:55.200 INFO running `"docker" "rm" "-f" "30eae202e85d0e9e9b0bba3213d2acef860e1f6308182481fe5f301897848feb"`
Oct 12 13:08:55.504 INFO blam! 30eae202e85d0e9e9b0bba3213d2acef860e1f6308182481fe5f301897848feb