Oct 13 01:33:48.186 INFO checking akars/lazy-pregen against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 01:33:48.186 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 13 01:33:48.528 INFO blam! f1c04515efd1983f35cb350b3046ddb05161b2ae496716c101f12895ca6c3f82
Oct 13 01:33:48.544 INFO running `"docker" "start" "-a" "f1c04515efd1983f35cb350b3046ddb05161b2ae496716c101f12895ca6c3f82"`
Oct 13 01:33:49.333 INFO kablam! usermod: no changes
Oct 13 01:33:49.542 INFO kablam!     Checking log v0.4.3
Oct 13 01:33:49.543 INFO kablam!     Checking thread_local v0.3.5
Oct 13 01:33:49.544 INFO kablam!     Checking ctrlc v3.1.1
Oct 13 01:33:49.545 INFO kablam!     Checking bincode v1.0.1
Oct 13 01:33:49.572 INFO kablam!     Checking failure v0.1.1
Oct 13 01:33:51.900 INFO kablam!     Checking fern v0.5.6
Oct 13 01:33:52.121 INFO kablam!     Checking regex v1.0.2
Oct 13 01:33:54.936 INFO kablam!     Checking lazy-pregen v0.1.4 (/source)
Oct 13 01:33:57.740 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.38s
Oct 13 01:33:57.740 INFO kablam! su: No module specific data is present
Oct 13 01:33:58.086 INFO running `"docker" "rm" "-f" "f1c04515efd1983f35cb350b3046ddb05161b2ae496716c101f12895ca6c3f82"`
Oct 13 01:33:58.258 INFO blam! f1c04515efd1983f35cb350b3046ddb05161b2ae496716c101f12895ca6c3f82