Oct 13 02:56:51.857 INFO checking QuietMisdreavus/whismur against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 02:56:51.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 13 02:56:52.254 INFO blam! 8dcf8c06476e0e5d598c24ddf7ced776bfc8ec4227b6b54b8d7fb3d0f883b012
Oct 13 02:56:52.256 INFO running `"docker" "start" "-a" "8dcf8c06476e0e5d598c24ddf7ced776bfc8ec4227b6b54b8d7fb3d0f883b012"`
Oct 13 02:56:53.327 INFO kablam! usermod: no changes
Oct 13 02:56:53.476 INFO kablam!    Compiling openssl-sys-extras v0.7.14
Oct 13 02:56:53.476 INFO kablam!    Compiling openssl v0.7.14
Oct 13 02:56:53.505 INFO kablam!     Checking openssl-sys v0.7.17
Oct 13 02:56:53.516 INFO kablam!     Checking chrono v0.3.1
Oct 13 02:56:53.516 INFO kablam!    Compiling serde_derive v1.0.2
Oct 13 02:57:02.611 INFO kablam!     Checking irc v0.11.6
Oct 13 02:57:10.277 INFO kablam!     Checking discourse-bot v0.1.0 (/source)
Oct 13 02:57:12.772 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.42s
Oct 13 02:57:12.790 INFO kablam! su: No module specific data is present
Oct 13 02:57:13.854 INFO running `"docker" "rm" "-f" "8dcf8c06476e0e5d598c24ddf7ced776bfc8ec4227b6b54b8d7fb3d0f883b012"`
Oct 13 02:57:14.072 INFO blam! 8dcf8c06476e0e5d598c24ddf7ced776bfc8ec4227b6b54b8d7fb3d0f883b012