Oct 13 11:52:41.746 INFO checking mrkl-0.0.4 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 11:52:41.746 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 11:52:41.953 INFO blam! 0bf529354c9c2fd7dacd7f8c6fe90c8aa1e9513de27d2f86965d6fba454ebc9b
Oct 13 11:52:41.955 INFO running `"docker" "start" "-a" "0bf529354c9c2fd7dacd7f8c6fe90c8aa1e9513de27d2f86965d6fba454ebc9b"`
Oct 13 11:52:42.482 INFO kablam! usermod: no changes
Oct 13 11:52:42.585 INFO kablam!     Checking generic-array v0.12.0
Oct 13 11:52:43.692 INFO kablam!     Checking digest v0.8.0
Oct 13 11:52:43.692 INFO kablam!     Checking block-buffer v0.7.0
Oct 13 11:52:44.500 INFO kablam!     Checking digest-hash v0.3.0
Oct 13 11:52:44.674 INFO kablam!     Checking sha2 v0.8.0
Oct 13 11:52:45.527 INFO kablam!     Checking mrkl v0.0.4 (/source)
Oct 13 11:52:53.240 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.74s
Oct 13 11:52:53.246 INFO kablam! su: No module specific data is present
Oct 13 11:52:54.124 INFO running `"docker" "rm" "-f" "0bf529354c9c2fd7dacd7f8c6fe90c8aa1e9513de27d2f86965d6fba454ebc9b"`
Oct 13 11:52:54.340 INFO blam! 0bf529354c9c2fd7dacd7f8c6fe90c8aa1e9513de27d2f86965d6fba454ebc9b