Oct 12 17:46:46.584 INFO checking mateon1/reduce-runner against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:46:46.584 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 17:46:46.976 INFO blam! 9200137d308a5b9813c1390f1d1e9bec4ee0959d981d2b6f38c2afc5c750e4fd
Oct 12 17:46:46.982 INFO running `"docker" "start" "-a" "9200137d308a5b9813c1390f1d1e9bec4ee0959d981d2b6f38c2afc5c750e4fd"`
Oct 12 17:46:48.067 INFO kablam! usermod: no changes
Oct 12 17:46:48.171 INFO kablam!     Checking fs_extra v1.0.0
Oct 12 17:46:48.171 INFO kablam!     Checking term_size v0.3.0
Oct 12 17:46:48.171 INFO kablam!     Checking atty v0.2.2
Oct 12 17:46:48.172 INFO kablam!     Checking tempdir v0.3.5
Oct 12 17:46:48.676 INFO kablam!     Checking textwrap v0.8.0
Oct 12 17:46:49.764 INFO kablam!     Checking clap v2.26.2
Oct 12 17:46:56.905 INFO kablam!     Checking reduce-runner v0.1.0 (/source)
Oct 12 17:46:58.067 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.97s
Oct 12 17:46:58.076 INFO kablam! su: No module specific data is present
Oct 12 17:46:59.567 INFO running `"docker" "rm" "-f" "9200137d308a5b9813c1390f1d1e9bec4ee0959d981d2b6f38c2afc5c750e4fd"`
Oct 12 17:46:59.840 INFO blam! 9200137d308a5b9813c1390f1d1e9bec4ee0959d981d2b6f38c2afc5c750e4fd