Oct 31 17:37:11.222 INFO checking ygree/rust_examples against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 17:37:11.222 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 31 17:37:11.770 INFO blam! 2d37366fa0577ccac4483b1bb0c1edea500837decaceb620fe244fbc34565ebf
Oct 31 17:37:11.772 INFO running `"docker" "start" "-a" "2d37366fa0577ccac4483b1bb0c1edea500837decaceb620fe244fbc34565ebf"`
Oct 31 17:37:12.912 INFO kablam! usermod: no changes
Oct 31 17:37:13.060 INFO kablam!     Checking libc v0.2.35
Oct 31 17:37:13.069 INFO kablam!     Checking rust_examples v0.1.0 (/source)
Oct 31 17:37:14.796 INFO kablam!     Checking memchr v2.0.1
Oct 31 17:37:14.796 INFO kablam!     Checking rand v0.4.1
Oct 31 17:37:15.208 INFO kablam!     Checking aho-corasick v0.6.4
Oct 31 17:37:16.164 INFO kablam!     Checking regex v0.2.5
Oct 31 17:37:19.322 INFO kablam!     Checking env_logger v0.4.3
Oct 31 17:37:19.772 INFO kablam!     Checking quickcheck v0.6.0
Oct 31 17:37:22.067 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.12s
Oct 31 17:37:22.073 INFO kablam! su: No module specific data is present
Oct 31 17:37:23.032 INFO running `"docker" "rm" "-f" "2d37366fa0577ccac4483b1bb0c1edea500837decaceb620fe244fbc34565ebf"`
Oct 31 17:37:23.270 INFO blam! 2d37366fa0577ccac4483b1bb0c1edea500837decaceb620fe244fbc34565ebf