Oct 12 21:19:14.252 INFO checking gadomski/riprocess against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:19:14.252 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/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 21:19:14.485 INFO blam! 2563acdec4046dad620a54d602049f2f6d47a24e200da9d35a25bbe0ffd9ee50
Oct 12 21:19:14.486 INFO running `"docker" "start" "-a" "2563acdec4046dad620a54d602049f2f6d47a24e200da9d35a25bbe0ffd9ee50"`
Oct 12 21:19:16.175 INFO kablam! usermod: no changes
Oct 12 21:19:16.393 INFO kablam!     Checking libc v0.2.30
Oct 12 21:19:16.393 INFO kablam!     Checking toml v0.4.5
Oct 12 21:19:16.422 INFO kablam!    Compiling serde_derive v1.0.14
Oct 12 21:19:19.408 INFO kablam!     Checking memchr v1.0.1
Oct 12 21:19:20.625 INFO kablam!     Checking aho-corasick v0.6.3
Oct 12 21:19:22.497 INFO kablam!     Checking regex v0.2.2
Oct 12 21:19:30.109 INFO kablam!     Checking docopt v0.8.1
Oct 12 21:19:31.780 INFO kablam!     Checking riprocess v0.1.0 (/source)
Oct 12 21:19:35.150 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.90s
Oct 12 21:19:35.165 INFO kablam! su: No module specific data is present
Oct 12 21:19:35.603 INFO running `"docker" "rm" "-f" "2563acdec4046dad620a54d602049f2f6d47a24e200da9d35a25bbe0ffd9ee50"`
Oct 12 21:19:35.869 INFO blam! 2563acdec4046dad620a54d602049f2f6d47a24e200da9d35a25bbe0ffd9ee50