Oct 21 12:14:31.685 INFO checking williamyaoh/flip against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 12:14:31.687 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 12:14:32.201 INFO blam! 224ba9c98110c1e778b9095c20cec7667b97b0ff15bcb0afeb5bd0e170138fe0
Oct 21 12:14:32.216 INFO running `"docker" "start" "-a" "224ba9c98110c1e778b9095c20cec7667b97b0ff15bcb0afeb5bd0e170138fe0"`
Oct 21 12:14:33.843 INFO kablam! usermod: no changes
Oct 21 12:14:33.944 INFO kablam!     Checking arg_input v1.0.0
Oct 21 12:14:33.944 INFO kablam!     Checking thread-id v3.0.0
Oct 21 12:14:33.944 INFO kablam!     Checking memchr v1.0.1
Oct 21 12:14:34.312 INFO kablam!     Checking aho-corasick v0.6.3
Oct 21 12:14:34.428 INFO kablam!     Checking thread_local v0.3.3
Oct 21 12:14:35.056 INFO kablam!     Checking regex v0.2.1
Oct 21 12:14:37.217 INFO kablam!     Checking docopt v0.7.0
Oct 21 12:14:38.382 INFO kablam!     Checking flip v1.0.2 (/source)
Oct 21 12:14:38.848 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
Oct 21 12:14:38.848 INFO kablam! su: No module specific data is present
Oct 21 12:14:39.562 INFO running `"docker" "rm" "-f" "224ba9c98110c1e778b9095c20cec7667b97b0ff15bcb0afeb5bd0e170138fe0"`
Oct 21 12:14:39.866 INFO blam! 224ba9c98110c1e778b9095c20cec7667b97b0ff15bcb0afeb5bd0e170138fe0