Oct 12 16:26:18.467 INFO checking nnarain/silica against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:26:18.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/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 16:26:18.941 INFO blam! 52020bca11dd833c398a71eea4086effece7e2dccf393e6b9f8985862933efaf
Oct 12 16:26:18.943 INFO running `"docker" "start" "-a" "52020bca11dd833c398a71eea4086effece7e2dccf393e6b9f8985862933efaf"`
Oct 12 16:26:21.084 INFO kablam! usermod: no changes
Oct 12 16:26:21.175 INFO kablam!     Checking libc v0.2.29
Oct 12 16:26:22.464 INFO kablam!     Checking memchr v1.0.1
Oct 12 16:26:22.856 INFO kablam!     Checking aho-corasick v0.6.3
Oct 12 16:26:22.856 INFO kablam!     Checking nom v3.2.0
Oct 12 16:26:24.152 INFO kablam!     Checking regex v0.2.2
Oct 12 16:26:27.611 INFO kablam!     Checking docopt v0.8.1
Oct 12 16:26:29.341 INFO kablam!     Checking silica v0.1.0 (/source)
Oct 12 16:26:35.646 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.55s
Oct 12 16:26:35.656 INFO kablam! su: No module specific data is present
Oct 12 16:26:37.209 INFO running `"docker" "rm" "-f" "52020bca11dd833c398a71eea4086effece7e2dccf393e6b9f8985862933efaf"`
Oct 12 16:26:37.477 INFO blam! 52020bca11dd833c398a71eea4086effece7e2dccf393e6b9f8985862933efaf