Nov 04 01:48:25.450 INFO checking nnarain/silica against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 01:48:25.452 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-2/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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"`
Nov 04 01:48:25.897 INFO blam! fdb714b77772f3b051928431d7988429859a6d6197aae2ba6137c85be91c52fd
Nov 04 01:48:25.911 INFO running `"docker" "start" "-a" "fdb714b77772f3b051928431d7988429859a6d6197aae2ba6137c85be91c52fd"`
Nov 04 01:48:27.244 INFO kablam! usermod: no changes
Nov 04 01:48:27.363 INFO kablam!     Checking libc v0.2.29
Nov 04 01:48:27.363 INFO kablam!    Compiling serde_derive v1.0.11
Nov 04 01:48:29.235 INFO kablam!     Checking memchr v1.0.1
Nov 04 01:48:29.614 INFO kablam!     Checking aho-corasick v0.6.3
Nov 04 01:48:29.615 INFO kablam!     Checking nom v3.2.0
Nov 04 01:48:30.967 INFO kablam!     Checking regex v0.2.2
Nov 04 01:48:38.688 INFO kablam!     Checking docopt v0.8.1
Nov 04 01:48:40.295 INFO kablam!     Checking silica v0.1.0 (/source)
Nov 04 01:48:45.262 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.00s
Nov 04 01:48:45.275 INFO kablam! su: No module specific data is present
Nov 04 01:48:46.183 INFO running `"docker" "rm" "-f" "fdb714b77772f3b051928431d7988429859a6d6197aae2ba6137c85be91c52fd"`
Nov 04 01:48:46.427 INFO blam! fdb714b77772f3b051928431d7988429859a6d6197aae2ba6137c85be91c52fd